Consulta: subjectFacets:"Ecosystems"
Registros recuperados: 145
Data/hora: 04/06/2024 18:08:54

Institutions for Managing Resilient Salmon (Oncorhynchus Spp.) Ecosystems: the Role of Incentives and Transaction Costs
Provedor de dados: 7
Autores: Hanna, Susan S; Oregon State University; susan.hanna@oregonstate.edu.
Institutions are the mechanisms that integrate the human and ecological spheres. This paper discusses the institutional challenge of integrating salmon (Oncorhynchus spp.) ecosystems and human systems in ways that effectively promote resilience. Salmon recovery in the Columbia River Basin demonstrates the challenge. Despite the comprehensive scope of Basin salmon management, it has a number of problems that illustrate the difficulties of designing institutions for ecosystem and human system resilience. The critical elements of salmon ecosystem management are incentives and transaction costs, and these comprise a large piece of missing institutional infrastructure. Once the focus is placed on incentives and costs, a number of different management strategies...
Tipo: Peer-Reviewed Synthesis
Palavras-chave: Columbia River Basin; Ecosystems; Human systems; Incentives; Institutions; Resilience; Salmon; Transaction costs.
Ano: 2008

Detection and Assessment of Ecosystem Regime Shifts from Fisher Information
Provedor de dados: 7
Autores: Karunanithi, Arunprakash T; U.S. Environmental Protection Agency, Office of Research and Development, National Risk Management Research Laboratory, Cincinnati, OH 45268; karunanithi.arunprakash@epa.gov; Cabezas, Heriberto; U.S. Environmental Protection Agency, Office of Research and Development, National Risk Management Research Laboratory, Cincinnati, OH 45268; cabezas.heriberto@epa.gov; Frieden, B. Roy; University of Arizona, Optical Sciences Center, Tucson, AZ 85721; roy.frieden@optics.arizona.edu; Pawlowski, Christopher W.; RD Zande and Associates, Cincinnati, OH 45249; cw_pawlowski@yahoo.com.
Ecosystem regime shifts, which are long-term system reorganizations, have profound implications for sustainability. There is a great need for indicators of regime shifts, particularly methods that are applicable to data from real systems. We have developed a form of Fisher information that measures dynamic order in complex systems. Here we propose the use of Fisher information as a means of: (1) detecting dynamic regime shifts in ecosystems, and (2) assessing the quality of the shift in terms of intensity and pervasiveness. Intensity is reflected by the degree of change in dynamic order, as determined by Fisher information, and pervasiveness is a reflection of how many observable variables are affected by the change. We present a new robust methodology to...
Tipo: Peer-Reviewed Reports
Palavras-chave: Ecosystems; Fisher information; Marine ecosystem; Regime shifts; Resilience; Sustainability.
Ano: 2008

From barriers to limits to climate change adaptation: path dependency and the speed of change
Provedor de dados: 7
Autores: Barnett, Jon; School of Geography, University of Melbourne; jbarn@unimelb.edu.au; Evans, Louisa S; Geography, College of Life and Environmental Science, University of Exeter; Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University; louisa.evans@exeter.ac.uk; Gross, Catherine; Fenner School of Environment and Society, Australian National University; catherine.gross@anu.edu.au; Kiem, Anthony S; School of Environmental and Life Sciences, University of Newcastle; anthony.kiem@newcastle.edu.au; Kingsford, Richard T.; School of Biological, Earth and Environmental Sciences, University of New South Wales; richard.kingsford@unsw.edu.au; Palutikof, Jean P.; National Climate Change Adaptation Research Facility, Griffith University; j.palutikof@griffith.edu.au; Pickering, Catherine M; School of Environment, Griffith University; c.pickering@griffith.edu.au; Smithers, Scott G; College of Marine and Environmental Sciences, James Cook University; scott.smithers@jcu.edu.au.
Research on the barriers and limits to climate change adaptation identifies many factors, but describes few processes whereby adaptation is constrained or may indeed fail to avoid catastrophic losses. It often assumes that barriers are by and large distinct from limits to adaptation. We respond to recent calls for comparative studies that are able to further knowledge about the underlying drivers of barriers and limits to adaptation. We compare six cases from across Australia, including those in alpine areas, rivers, reefs, wetlands, small inland communities, and islands, with the aim of identifying common underlying drivers of barriers and limits to adaptation. We find that the path-dependent nature of the institutions that govern natural resources and...
Tipo: Peer-Reviewed Reports
Palavras-chave: Communities; Cultures; Ecosystems; Markets; Path dependence; Transformation; Values.
Ano: 2015

Coastal Lagoons and Climate Change: Ecological and Social Ramifications in U.S. Atlantic and Gulf Coast Ecosystems
Provedor de dados: 7
Autores: Anthony, Abigail; University of Rhode Island; abigailanthony@gmail.com; Atwood, Joshua; University of Rhode Island; josh.atwood@gmail.com; August, Peter; University of Rhode Island; pete@edc.uri.edu; Byron, Carrie; University of Rhode Island; carriebyron@mail.uri.edu; Cobb, Stanley; University of Rhode Island; scobb@uri.edu; Foster, Cheryl; University of Rhode Island; cherylf@uri.edu; Fry, Crystal; University of Rhode Island; cfry315@gmail.com; Gold, Arthur; University of Rhode Island; agold@uri.edu; Hagos, Kifle; University of Rhode Island; kwhagos@gmail.com; Heffner, Leanna; University of Rhode Island; leanna.heffner@gmail.com; Kellogg, D. Q; University of Rhode Island; qkellogg@uri.edu; Lellis-Dibble, Kimberly; University of Rhode Island; kimberlylellis@yahoo.com; Opaluch, James J; University of Rhode Island; JimO@URI.Edu; Oviatt, Candace; University of Rhode Island; coviatt@gsosun1.gso.uri.edu; Pfeiffer-Herbert, Anna; University of Rhode Island; annaph@gso.uri.edu; Rohr, Nicole; University of Rhode Island; nicoro12@gmail.com; Smith, Leslie; University of Rhode Island; leslie.smith@gso.uri.edu; Smythe, Tiffany; ; tcsmythe@my.uri.edu; Swift, Judith; University of Rhode Island; jswift@uri.edu; Vinhateiro, Nathan; University of Rhode Island; nate@gso.uri.edu.
Lagoons are highly productive coastal features that provide a range of natural services that society values. Their setting within the coastal landscape leaves them especially vulnerable to profound physical, ecological, and associated societal disturbance from global climate change. Expected shifts in physical and ecological characteristics range from changes in flushing regime, freshwater inputs, and water chemistry to complete inundation and loss and the concomitant loss of natural and human communities. Therefore, managing coastal lagoons in the context of global climate change is critical. Although management approaches will vary depending on local conditions and cultural norms, all management scenarios will need to be nimble and to make full use of...
Tipo: Peer-Reviewed Synthesis
Palavras-chave: Climate change; Coastal lagoons; Ecosystems; Social values.
Ano: 2009

Genetically Modified Crops and the Agroecosystem: Comments on "Genetically Modified Crops: Risks and Promise" by Gordon Conway
Provedor de dados: 7
Autores: Pimentel, David; Cornell University; dp18@cornell.edu.
Tipo: Peer-Reviewed Reports
Palavras-chave: Bacillus thuringiensis (B.t.); GM crops; Agriculture; Biotechnology; Economics; Ecosystems; Genetic engineering; Herbicides.
Ano: 2000

Linking Future Ecosystem Services and Future Human Well-being
Provedor de dados: 7
Autores: Butler, Colin D; Australian National University; colin.butler@anu.edu.au; Oluoch-Kosura, Willis; University of Nairobi; Willis.Kosura@aercafrica.org.
Ecosystem services are necessary, yet not sufficient for human well-being (however defined). Insufficient access to the ecosystem provisioning service of food is a particularly important factor in the loss of human well-being, but all ecosystem services contribute in some way to well-being. Although perhaps long obvious to ecologists, the links between ecosystems and aspects of human well-being, including health, have been less well understood among the social science community. This situation may now be starting to change, thanks in part to the Millennium Ecosystem Assessment (MA). Causality between ecosystem services and well-being is bidirectional; it is increasingly clear that functioning societies can protect or enhance ecosystem services, and...
Tipo: Peer-Reviewed Reports
Palavras-chave: Cognitive potential; Conflict; Ecosystems; Health; Human well-being; Hunger; Nutrition; Scenarios; Surprise.
Ano: 2006

Ecosystems and Immune Systems: Useful Analogy or Stretching a Metaphor?
Provedor de dados: 7
Autores: Walker, Brian; CSIRO Sustainable Ecosystems; Brian.Walker@csiro.au.
Tipo: Peer-Reviewed Reports
Palavras-chave: Biological invasion; Ecosystems; Immune systems; Management; Metaphor; Sustainability.
Ano: 2001

Understanding Complex Human Ecosystems: The Case of Ecotourism on Bonaire
Provedor de dados: 7
Autores: Abel, Thomas; National Taipei University; tabel@mail.ntpu.edu.tw.
It is suggested that ecotourism development on the island of Bonaire can be productively understood as a perturbation of a complex human ecosystem. Inputs associated with ecotourism have fueled transformations of the island ecology and sociocultural system. The results of this study indicate that Bonaire's social and economic hierarchy is approaching a new, stable systems state following a 50-yr transition begun by government and industry that stabilized with the appearance of ecotourism development and population growth. Ecotourism can be understood to have "filled in" the middle of the production hierarchy of Bonaire. Interpreted from this perspective, population growth has completed the transformation by expanding into production niches at smaller...
Tipo: Peer-Reviewed Reports
Palavras-chave: Bonaire; Complex systems; Cultural evolution; Ecological economics; Ecosystems; Emergy; Human demography; Political ecology; Social structure; Sociocultural systems; World systems.
Ano: 2003

Экологические процессы в критических зонах Черного моря  (синтез результатов двух направлений исследований с середины  XX  до начала XXI веков)
Provedor de dados: 13
Autores: Зайцев, Ю. П.; Поликарпов, Г. Г.
Сделано обобщение, основанное на выдвинутых и развитых авторами представлениях за период с конца 1950-х по 2002 гг. в области морской нейстонологии, учения о контурных биотопах и сообществах в Черном море, радиоэкологии морских организмов, радиохемоэкологии и молисмологии Черного моря, а также на результатах применения новейших технологий (радиотрассерных, глубоководных в сероводородной зоне и других методов) и концептуальной модели хронического действия ядерных и неядерных факторов во всем возможном диапазоне их доз на черноморские экосистемы и на их живые компоненты. Представлена картина состояния экосистем и протекания экологических процессов в Черном море с учетом молисмологических факторов. Сформулированы рекомендации и прогнозы в отношении судьбы...
Tipo: Journal Contribution
Palavras-chave: Черное море; Радиоэкология; Радиохемоэкология; Молисмология; Прогноз; The Black Sea; Radioecology; Radiochemoecology; Molismology; Ecosystems; Forecasts Radioecology Ecosystems Radioecology Ecosystems http://aims.fao.org/aos/agrovoc/c_35784 http://aims.fao.org/aos/agrovoc/c_2482.
Ano: 2002
URL: http://repository.ibss.org.ua/dspace/handle/99011/142

Радиационная защита биосферы, включая Homo sapiens: выбор принципов и поиски решения
Provedor de dados: 13
Autores: Поликарпов, Г. Г.
Представлен итог рассмотрения основных аспектов этой проблемы. Предлагается развернутая формулировка радиационной защиты биосферы: "Защищенная от вредного действия ионизирующих излучений биосфера обеспечит радиационную безопасность и полноценную жизнеспособность человечества" или кратко: "Защищена биосфера - защищен и человек".
Tipo: Journal Contribution
Palavras-chave: Радиоэкология; Радиационная защита; Ионизирующие излучения; Радиоактивность; Морская; Пресноводная и наземная биота; Экосистемы; Биосфера; Антропоцентризм; Экоцентризм; Экоэтика; Radioecology; Radiation protection; Ionising radiations; Radioactivity; Marine; Freshwater and terrestrial biota; Ecosystems; Biosphere; Anthropocentrism; Ecocentrism; Eco-ethics Ecosystems Biota Radioactivity Radioecology Radiation protection Ecosystems Biota Radioecology Radioactivity http://aims.fao.org/aos/agrovoc/c_2482 http://aims.fao.org/aos/agrovoc/c_930 http://aims.fao.org/aos/agrovoc/c_35784 http://aims.fao.org/aos/agrovoc/c_6426.
Ano: 2006
URL: http://repository.ibss.org.ua/dspace/handle/99011/264

Акватория и берега Севастополя: экосистемные процессы и услуги обществу
Provedor de dados: 13
Autores: Шадрин, Н. В.; Павлова, Е. В.
В монографии представлены результаты изучения современной экологической ситуации в акватории Севастополя. Рассмотрены также вопросы взаимосвязей функционирования экосистем и социально-экономического развития. Для экологов, экономистов, менеджеров, студентов и жителей Севастополя.
Tipo: Book
Palavras-chave: Ecosystems; Scales; Models; Anthropogenic factors; Eutrophication; Ichthyoplankton; Phytoplankton; Zooplankton; Oil pollution; Litter; Mortality; Coastal zone; Biodiversity; Rivers; Zooplankton; Ecosystems; Scales; Models; Eutrophication; Rivers; Biodiversity; Phytoplankton; Anthropogenic factors; Mortality; Http://aims.fao.org/aos/agrovoc/c_15490; Http://aims.fao.org/aos/agrovoc/c_2482; Http://aims.fao.org/aos/agrovoc/c_6838; Http://aims.fao.org/aos/agrovoc/c_4881; Http://aims.fao.org/aos/agrovoc/c_2734; Http://aims.fao.org/aos/agrovoc/c_6617; Http://aims.fao.org/aos/agrovoc/c_33949; Http://aims.fao.org/aos/agrovoc/c_13344; Http://aims.fao.org/aos/agrovoc/c_34996; Http://aims.fao.org/aos/agrovoc/c_4945.
Ano: 1999
URL: http://repository.ibss.org.ua/dspace/handle/99011/381

Устойчивость экосистем
Provedor de dados: 13
Autores: Заика, В. Е.
В аналитическом обзоре обсуждаются вопросы смены аспектов и подходов к проблеме устойчивости экосистем и сообществ за последние десятилетия. Рассмотрены вопросы определения устойчивости, аспекты и показатели устойчивости, различия в подходах к сообществам и экосистемам, связь устойчивости со структурой системы, практическая сторона экологической устойчивости.
Tipo: Journal Contribution
Palavras-chave: Устойчивость сообществ и экосистем; Ecosystems; Ecosystems; Http://aims.fao.org/aos/agrovoc/c_2482.
Ano: 2007
URL: http://repository.ibss.org.ua/dspace/handle/99011/621

Caracterizacao de varzeas na regiao dos cerrados.
Provedor de dados: 14
Autores: RASSINI, J. B.; REIS, A. E. G. dos; MACEDO, J.; LEITE, J. C.
A ocorrencia de varzeas na regiao dos Cerrados e grande, com cerca de 12 milhoes de hectares em sua maioria ainda nao utilizadas, devido, principalmente, a baixa disponibilidade de informacao a respeito do sistema solo-agua-planta. O trabalho busca fornecer uma caracterizao e a distribuicao desse tipo de ecossistema nas principais bacias hidrograficas dos Cerrados, apresentando resultados referentes a vegetacao e aos tipos de solo predominantes nessas formacoes.
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E)
Palavras-chave: Flood plains; Plant soil relations; Plant water relations; Characterization; Wetland.; Bacia Hidrográfica; Cerrado; Ecossistema; Relação Solo-Planta; Relação Água-Planta; Várzea.; Ecosystems; Soil.
Ano: 1984
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/547230

Fatores eco-epidemiológicos na vigilância e monitoramento sanitário de suídeos asselvajados e protocolo de investigação para uma abordagem participativa.
Provedor de dados: 14
Autores: SILVA, V. S.; TREVISOL, I. M.; KRAMER, B.; COLDEBELLA, A.
Tipo: Livros
Palavras-chave: Suíno Selvagem; Suídeos Asselvajados; Wild Pig; Wild Suids; Aspectos populacionais; Fatores ambientais; Sustentabilidade; Preservação da biodiversidade; Preservation of biodiversity; Javali; Sus Scrofa Domesticus; Epidemiologia; Doença Animal; Sanidade Animal; Ecossistema; Meio Ambiente; Boars; Sus scrofa; Epidemiology; Animal diseases; Animal health; Wild boars; Wild animals; Environmental factors; Environmental sustainability; Ecosystems.
Ano: 2022
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1152080

Conservation of ecosystems and water supply.
Provedor de dados: 14
Autores: PRADO, R. B.; MONTEIRO, J. M. G.; BARROS, L. C. de; PARRON, L. M.; SILVA, M. S. G. M. e; RIBEIRO, P. E. de A.; FIGUEIREDO, R. de O.
This chapter presents an overview of anthropogenic pressures on water resources and their ecosystems, some strategies for conserving these resources for water production, as well as a picture of Embrapa's actions with the potential to contribute to the achievement of the target 6.6 of the SDG 6: protect and restore water-related ecosystems, including mountains, forests, wetlands, rivers, aquifers and lakes by 2020. The technological solutions that Embrapa research has generated are related to the reduction of the erosive processes and the sedimentation of the water bodies; planning, monitoring and valuation of ecosystem services, with emphasis on water resources; to conservation practices with consequences for maintaining the quantity and quality of water,...
Tipo: Capítulo em livro técnico (INFOTECA-E)
Palavras-chave: Manejo de Água; Recurso Hídrico; Ecossistema; Water management; Water resources; Ecosystems.
Ano: 2020
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1131137

Produção de "litter" e seu conteúdo de nutrientes em floresta primária e capoeira da Amazônia Oriental.
Provedor de dados: 14
Autores: DANTAS, M.
bitstream/item/57922/1/Doc40-p147-162.pdf
Tipo: Outras publicações técnicas (INFOTECA-E)
Palavras-chave: Produção de liteira; Produtividade primária; Capitão Poço; Pará; Brasil; Plant soil relations.; Ecossistema; Matéria Orgânica; Nutriente; Relação Solo-Planta.; Amazonia; Forest litter; Ecosystems; Organic matter; Primary productivity.; Nutrients.
Ano: 1986
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/394726

Life on land: contributions of Embrapa.
Provedor de dados: 14
Autores: VILELA, G. F.; BENTES, M. P. de M.; OLIVEIRA, Y. M. M. de; MARQUES, D. K. S.; SILVA, J. C. B.
This publication presents contributions from the Brazilian Agricultural Research Corporation (Embrapa) to the Sustainable Development Goal (SDG) 15, whose theme is Life on Land: Protect, restore and promote sustainable use of terrestrial ecosystems, sustainably manage forests, combat desertification, and halt and reverse land degradation and halt biodiversity loss.
Tipo: Capítulo em livro técnico (INFOTECA-E)
Palavras-chave: Desenvolvimento Sustentável; Ecossistema; Tecnologia Agrícola; Biossegurança; Controle Biológico; Sustainable development; United Nations; Ecosystems; Application technology; Biological control.
Ano: 2019
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1114549

A decomposição da matéria orgânica.
Provedor de dados: 14
Autores: DENICH, M.; BRANDINO, Z. G.; BLUM, E.
bitstream/item/57923/1/Doc40-p163-186.pdf
Tipo: Outras publicações técnicas (INFOTECA-E)
Palavras-chave: Biologia solo; Igarapé-Açu; Pará; Brasil.; Decomposição; Ecossistema; Matéria Orgânica.; Amazonia; Degradation; Ecosystems; Organic matter; Soil biology.
Ano: 1986
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/394727

Diagnóstico participativo de agroecossistemas em áreas de produtores orgãnicos no assentamento Colônia II: agrobiodiversidade e práticas agroecológicas.
Provedor de dados: 14
Autores: MACHADO, C. T. de T.; MACHADO, A. T.; JOSÉ JUNIOR, G.
bitstream/CPAC-2010/31401/1/bolpd-200.pdf
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E)
Palavras-chave: Organic agriculture.; Ecologia vegetal; Ecossistema; Estrutura agrária; Agricultura orgânica; Agroecology; Ecosystems; Agricultural structures and facilities.
Ano: 2007
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/663074

Diagnóstico dos serviços ambientais florestais nos biomas brasileiros de 2001 a 2011.
Provedor de dados: 14
Autores: SILVA, G. B. S. da; BERGIER, I.; PRADO, R. B.; FERRAZ, R. P. D.
O objetivo desse estudo foi quantificar, a partir desses dados, a evolução da cobertura florestal nos biomas brasileiros e, consequentemente, avaliar o seu estado de conservação para a manutenção dos serviços ambientais florestais inerentes.
Tipo: Comunicado Técnico (INFOTECA-E)
Palavras-chave: Ecossistema; Ecosystem services; Ecosystems.
Ano: 2017
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1086605

Zoneamento agroecológico das terras do município de Uruará, Estado do Pará.
Provedor de dados: 14
Autores: REGO, R. S.; ROLLIN, P. A. M.; RODRIGUES, T. E.; CARVALHO, E. J. M.; GAMA, J. R. N. F.; SILVA, J. M. L. da; PERES, A. S. G.; PEREIRA, I. C. B.
Descrição geral da área. Metodologia. Suscetibilidade a erosão das terras. Níveis de possibilidades a mecanização das terras. Legenda de identificação, área e percentagem das classes de aptidão agroecológicas. Culturas indicadas para as principais classes de aptidão agroecológica. Recomendações gerais.
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Uruará; Pará; Brasil; Agroclimatic zone; Environments.; Aptidão Agrícola; Ecossistema; Sensoriamento Remoto; Reconhecimento do Solo; Uso da Terra; Zoneamento Agrícola; Zoneamento Ecológico.; Amazonia; Ecosystems; Land use; Land suitability; Remote sensing; Soil surveys.
Ano: 1998
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/388114

Conversão da vegetação natural do Pantanal para uso antrópico de 1976 até 2017 e projeção para 2050.
Provedor de dados: 14
Autores: PADOVANI, C. R.
O objetivo dessa publicação foi avaliar a evolução da conversão de vegetação nativa para uso antrópico até o presente e projetar a tendência futura até o ano de 2050, discutindo os fatores que influenciam positivamente e negativamente nesse processo. O foco das análises é o bioma Pantanal.
Tipo: Comunicado Técnico (INFOTECA-E)
Palavras-chave: Vegetação; Ecologia; Vegetation; Ecosystems.
Ano: 2017
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1087102

Alelopatia em ecossistema de pastagem cultivada.
Provedor de dados: 14
Autores: SOUZA FILHO, A. P. da S.; ALVES, S. de M.
Histórico. Fontes de substancias alelopáticas. Natureza das substancias alelopáticas. Função nas plantas. Síntese de substancias alelopáticas. Fatores que afetam a síntese de substancias alelopáticas. Liberação para o meio ambiente. Mecanismo de transporte no meio ambiente. Mecanismo de ação dos aleloquímicos. Fatores que interferem na ação dos aleloquímicos. Provas da existência de alelopatia. Interação alelopática em ecossistemas de pastagens. Alelopática e suas perspectivas futuras.
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Brasil.; Alelopatia; Ecossistema; Pastagem Cultivada; Resposta da Planta.; Amazonia; Allelopathy; Ecosystems; Pastures; Plant response.
Ano: 1998
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/388173

Experience reports = Relatos de experiências = Informes de experiencia.
Provedor de dados: 14
Autores: INTERNATIONAL MEETING OF THE LATIN AMERICAN AND CARIBBEAN NETWORK FOR RESEARCH AND INNOVATION IN MOUNTAIN ENVIRONMENTS, 1., 2022, Nova Friburgo.
Technical editors: Mauro Sérgio Vianello Pinto, Maria de Lourdes Mendes de Souza, Claudia Regina Delaia Machado, Renato Linhares de Assis, Luis Felipe Cesar, Rachel Bardy Prado, Monica Alves Amorim Adriana Maria de Aquino. Titles and texts in english, portuguese and spanish. I Encontro Internacional da Rede Latino-americana e Caribenha de Pesquisa e Inovação em Ambientes de Montanha. I Encuentro Internacional de la Red Latinoamericana y del Caribe de Investigación y Innovación en Ambientes de Montaña. ODS.
Tipo: Anais e Proceedings de eventos
Palavras-chave: Montanha; Innovation; Ecossistema; Inovação; Mountains; Ecosystems.
Ano: 2022
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1144875

Sustentabilidade em ecossitemas de pastagem para a produçao de caprinos e ovinos.
Provedor de dados: 14
Autores: CAVALCANTE, A. C. R.
bitstream/item/86467/1/Midia-Sustentabilidade-em-ecossitemas.pdf
Tipo: Artigo de divulgação na mídia (INFOTECA-E)
Palavras-chave: Brasil; Sustainability.; Caprino; Ecossistema; Manejo; Pastagem Cultivada; Ovino; Sistema de Produção.; Sheep; Goats; Pastures; Ecosystems; Brazil.
Ano: 2009
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/578240

Ecosystemes benthiques profonds et chimiosynthese bacterienne: Sources hydrothermales et suintements
Provedor de dados: 5
Autores: Laubier, Lucien.
Hydrothermal communities of various species compositions have been described from the eastern and western Pacific and Atlantic. Brine and cold seeps and hydrocarbon seepages have been found off Florida, off the Oregon and Japanese subduction systems, on the Laurentian Fan, near Barbados, and off Louisiana. Biomasses range from 10 to 70 kg/m super(2), fresh weight. Basic microdistribution of species groups in aureoles centered around hydrothermal vents reveals different levels of adaptation to harsh physico-chemical conditions. Two groups of primary producers can be recognized: a highly efficient cool water group with large vestimentiferan tube worms and bivalves, and alvinellid polychaetes adapted to hot waters. Both groups are exploited by specific...
Tipo: Text
Palavras-chave: Bivalvia; Polychaeta; Bacteria; Symbionts; Biosynthesis; Chemosynthesis; Food webs; Biomass; Hydrocarbons; Ecosystems; Hydrothermal springs; Seepages; Brines; Benthic environment; Benthos.
Ano: 1990
URL: http://archimer.ifremer.fr/doc/1990/acte-1171.pdf

The European Landing Obligation. Reducing Discards in Complex, Multi-Species and Multi-Jurisdictional Fisheries
Provedor de dados: 5
Autores: Uhlmann, Sven Sebastian; Ulrich, Clara; Kennelly, Steven J.
This open access book provides a comprehensive examination of the European Landing Obligation policy from many relevant perspectives. It includes evaluations of its impacts at economical, socio-cultural, ecological and institutional levels. It also discusses the feasibility and benefits of several potential mitigation strategies. The book was timely published, exactly at the time where the Landing Obligation was planned to be fully implemented. This book is of significant interest to all stakeholders involved, but also to the general public of Europe and to other jurisdictions throughout the world that are also searching for ways to deal with by-catch and discard issues.
Tipo: Text
Palavras-chave: Discard; Fish By-catch; Marine spatial planning; European waters; Landing obligation; Ecosystems; Fish stocks; NGO; Fisheries policy; MINOUW; DiscardLess; Open Access.
Ano: 2019
URL: https://archimer.ifremer.fr/doc/00589/70084/68066.pdf

Marine biodiversity and ecosystems' services : an updated research agenda as a follow up of the 2010 targets...
Provedor de dados: 5
Autores: Goulletquer, Philippe.
The Millenium Ecosystem Assessment (2005) demonstrated that the biodiversity is the keystone for the sustainaibility of present and future ecosystems services. In spite of the highly significant effort carried out by the Census of Marine Life over the last ten years, and an increasing research effort, marine biodiversity and precise ecosystem functioning remain largely unknown and failure to reach the CBD 2010 objectives is obvious. Meanwhile, the concept of ‘ecosystem approach’ is progressing, translated into new policies such as the revised European Common Fisheries Policy (CFP). We might question if the scientific community is ready enough to built scenarios for the future and provide integrated advice to the policy makers for biodiversity conservation...
Tipo: Text
Palavras-chave: Marine biodiversity; Ecosystems; Biodiversity governance; Fisheries management.
Ano: 2010
URL: http://archimer.ifremer.fr/doc/00015/12598/9475.pdf

Sensitivity of marine systems to climate and fishing: Concepts, issues and management responses
Provedor de dados: 5
Autores: Perry, R. Ian; Cury, Philippe; Brander, Keith; Jennings, Simon; Moellmann, Christian; Planque, Benjamin.
Modern fisheries research and management must understand and take account of the interactions between climate and fishing, rather than try to disentangle their effects and address each separately. These interactions are significant drivers of change in exploited marine systems and have ramifications for ecosystems and those who depend on the services they provide. We discuss how fishing and climate forcing interact on individual fish, marine populations, marine communities, and ecosystems to bring these levels into states that are more sensitive to (i.e. more strongly related with) climate forcing. Fishing is unlikely to alter the sensitivities of individual finfish and invertebrates to climate forcing. It will remove individuals with specific...
Tipo: Text
Palavras-chave: Climate variability; Climate change; Communities; Ecosystems; Fisheries management; Fishing; Populations.
Ano: 2010
URL: http://archimer.ifremer.fr/doc/00000/11141/9343.pdf

Les chaines alimentaires naturelles et l'aquaculture
Provedor de dados: 5
Autores: Barnabe, G.
Aquaculture sets up manipulation of natural food chains. This paper describes some utilizations of photosynthetic bacteria, phytoplankton and zooplankton taken out sewage ponds, wetlands or neritic waters.
Tipo: Text
Palavras-chave: Bacteria; Photosynthesis; Aquaculture; Ecosystems; Zooplankton; Phytoplankton; Food chains.
Ano: 1983
URL: http://archimer.ifremer.fr/doc/1983/acte-1254.pdf

The Tropical Atlantic Observing System
Provedor de dados: 5
Autores: Foltz, G. R.; Brandt, P.; Richter, I.; Rodríguez-fonseca, B.; Hernandez, F.; Dengler, M.; Rodrigues, R. R.; Schmidt, J. O.; Yu, L.; Lefevre, N.; Da Cunha, L. Cotrim; Mcphaden, M. J.; Araujo, M.; Karstensen, J.; Hahn, J.; Martín-rey, M.; Patricola, C. M.; Poli, P.; Zuidema, P.; Hummels, R.; Perez, Rc; Hatje, V.; Lübbecke, J. F.; Polo, I.; Lumpkin, R.; Bourlès, Bernard; Asuquo, F. E.; Lehodey, P.; Conchon, A.; Chang, P.; Dandin, P.; Schmid, C.; Sutton, A.; Giordani, H.; Xue, Y.; Illig, S.; Losada, T.; Grodsky, S. A.; Gasparin, F.; Lee, T.; Mohino, E.; Nobre, P.; Wanninkhof, R.; Keenlyside, N.; Garcon, V.; Sánchez-gómez, E.; Nnamchi, H. C.; Drévillon, M.; Storto, A.; Remy, E.; Lazar, A.; Speich, S.; Goes, M.; Dorrington, T.; Johns, W. E.; Moum, J. N.; Robinson, C.; Perruche, Coralie; De Souza, R. B.; Gaye, A. T.; López-parages, J.; Monerie, P.-a.; Castellanos, P.; Benson, N. U.; Hounkonnou, M. N.; Duhá, J. Trotte; Laxenaire, R.; Reul, Nicolas.
The tropical Atlantic is home to multiple coupled climate variations covering a wide range of timescales and impacting societally relevant phenomena such as continental rainfall, Atlantic hurricane activity, oceanic biological productivity, and atmospheric circulation in the equatorial Pacific. The tropical Atlantic also connects the southern and northern branches of the Atlantic meridional overturning circulation and receives freshwater input from some of the world’s largest rivers. To address these diverse, unique, and interconnected research challenges, a rich network of ocean observations has developed, building on the backbone of the Prediction and Research Moored Array in the Tropical Atlantic (PIRATA). This network has evolved naturally over time...
Tipo: Text
Palavras-chave: Tropical Atlantic Ocean; Observing system; Weather; Climate; Hurricanes; Biogeochemistry; Ecosystems; Coupled model bias.
Ano: 2019
URL: https://archimer.ifremer.fr/doc/00494/60612/64096.pdf

Utilisation du submersible Cyana pour l'etude du macroplancton fragile
Provedor de dados: 5
Autores: Laval, P.
The gelatinous macroplanktonic organisms living in the deep sea can only be studied with manned submersibles. There is presently in increasing interest in the study of the role of this part of the pelagic ecosystem, because they are strongly involved in the transformation of the particulate organic matter. Their transparency, small size and mobility present technical challenges, unanticipated by the designers of the first submersibles, aimed at the sea bottom observation. Despite these limitations, the use of conventional submersibles has brought very interesting results. It is hoped that engineers will take into account the requirements of pelagic observations in the design of future submersibles.
Tipo: Text
Palavras-chave: Pelagic environment; Zooplankton; Ecosystems; Deep water; Manned vehicles.
Ano: 1990
URL: http://archimer.ifremer.fr/doc/1990/acte-1152.pdf

Evaluation of the carrying capacity of molluscan shellfish ecosystems
Provedor de dados: 5
Autores: Heral, Maurice.
Growth of molluscs raised in coastal zones, where the water exchange rate is low, appears to be limited, once a certain biomass level is attained, by the availability of food, making it necessary to determine as accurately as possible the trophic capacity of an ecosystem. This paper analyses the various sources of food for molluscs. It would appear that dissolved organic substances play a major role, providing up to half the energy necessary for their metabolism. Particulate material is filtered by molluscs in proportion to their size, with optimum filtration rates varying with species. The negative effect on meat production of high mineraI seston rates is demonstrated, and an analysis provided of the respective role of each component of organic matter....
Tipo: Text
Palavras-chave: Evaluation; Carrying capacity; Molluscs; Ecosystems; Cochyliculture; Ecosytemes; Molluscs; Evaluation; Capacité biotique.
Ano: 1985
URL: http://archimer.ifremer.fr/doc/1985/acte-2945.pdf

Models of relations between bacteria and plankton, and regeneration processes in marine planktonic ecosystem.
Provedor de dados: 5
Autores: Martin, Y; Lelong, P; Cauchi, B.
In order to study bacteria-plankton relationships, experimental and mathematical models were used to stimulate biological processes implicated in plankton ecosystems and to analyze community relationships. The model components are phytoplankton, zooplankton, autotrophic and heterotrophic bacteria, ciliates, nutrients, organic matter and phytoplankton antibiotics. This study shows the importance of some factors affecting bacteria communities dynamics and the bacterial activity in mineralization process. Bacterial populations seem to be controlled essentially by the concentration and chemical composition of organic substrates. Antibiosis and predation show a lesser importance on changes in bacteria communities.
Tipo: Text
Palavras-chave: Biogeochemistry; Bacteria; Microorganisms; Mathematical models; Mineralization; Ecosystems; Plankton; Ecological associations.
Ano: 1984
URL: http://archimer.ifremer.fr/doc/1984/acte-982.pdf

Utilisation des submersibles en biologie et en ecologie abyssale
Provedor de dados: 5
Autores: Alayse, Anne-marie.
With the advent of deep submergence research vessels (DSRVs) biological and ecological studies of ocean deeps have made great strides. Especially these submersibles allowed to conduct physiological and biochemical experiments on benthic fauna directly on the bottom or on board with alive retrieved animals. A second great interest is the possibility to work in chaotic areas and on microenvironments. Without DSRVs most of measurements and observations obtained on hydrothermals vents would had been impossible. We will present the different equipment designed for the two French DSRVs used during the cruises conducted by the Departement "Environnement Profond" de l'IFREMER to study hydrothermal and "normal" deep-sea ecosystems. We will discuss the new devices...
Tipo: Text
Palavras-chave: Oceanography; Hydrothermal springs; Ecosystems; Abyssal zone; Cruises; Ecology; Biology; Deep water; Unmanned vehicles; Manned vehicles.
Ano: 1990
URL: http://archimer.ifremer.fr/doc/1990/acte-1146.pdf

A real-time dive on active hydrothermal vents
Provedor de dados: 5
Autores: Sarrazin, Jozee; Sarradin, Pierre-marie; Buffier, Erick; Christophe, Alain; Clodic, Guillaume; Desbruyeres, Damien; Fouquet, Yves; Gouillou, Michel; Jannez, Michel; Le Fur, Yann; Le Rest, Jacques; Lecornu, Fabrice; Lefort, Olivier; Lux, Stephanie; Millet, Brigitte; Guillemet, Pascal.
The Momareto cruise was held from August 6 to September 6, 2006 on the new French oceanographic vessel Pourquoi pas? The ROV Victor 6000 visited three vent fields, ranging from 850m to 2300m, on the Mid-Atlantic Ridge. The scientific objective of the cruise was to study the spatial and temporal dynamics of hydrothermal communities colonizing these active vent sites. Aside scientific and technological objectives, one of the major goals of this cruise was to share the excitement of our science with the public. For this, the results of the project were shared through different media. The most challenging and exciting communication event remains the real-time transmission of images acquired by the ROV Victor at 1700m depth to a 250 person audience on land.
Tipo: Text
Palavras-chave: Deep-sea; Ecosystems; Outreach; Real-time.
Ano: 2007
URL: http://archimer.ifremer.fr/doc/2007/publication-3599.pdf

Etude des pecheries, reflexions sur l'environment et la gestion multispecifique.
Provedor de dados: 5
Autores: Le Guen, Jean-claude; Chevalier, Robert.
All considerations about halieutic stocks inevitably had to attain the recognition of relations which are established between the resource and its natural environment. These phenomenons are exposed in the first part. About consequences of human interventions, both of these aspects must be taken into account: the introduction of new species and fishing. Second part deals with the use of models in stock management.
Tipo: Text
Palavras-chave: Mollusca; Crustacea; Pisces; Fishery economics; Fishery management; Fishery biology; Stock assessment; Ecosystems; Environmental effects.
Ano: 1982
URL: http://archimer.ifremer.fr/doc/1982/publication-1859.pdf

The problems of application of radiocarbon method for estimation of primary production in oligotrophic waters
Provedor de dados: 5
Autores: Krupatkina, D; Berland, B; Maestrini, S.
The errors in primary production estimation by the radiocarbon method may differ from one trophic region to another. Such supposition is based on unequal phytoplanktonic structural characteristics of these regions. These errors are likely to appear rather significant in oligotrophic waters predominated by nano- and ultranano-plankton (the so-called picoplankton). The organic substance of oligotrophic waters is obviously produced by picoplankton for the most part, the need for clarifying possible errors when estimating primary production by the radiocarbon method, which is the purpose of the present work is urgent. For these topics in oligotrophic waters, measurements were carried out in two ways: (1) according to the generally accepted pattern (Sorokin,...
Tipo: Text
Palavras-chave: Methodology; Community composition; Nutrient cycles; Phytoplankton; Ecosystems; Carbon 14; Primary production; Analytical techniques.
Ano: 1984
URL: http://archimer.ifremer.fr/doc/1984/acte-1522.pdf

The EMSO-ERIC Pan-European Consortium: Data Benefits and Lessons Learned as the Legal Entity Forms
Provedor de dados: 5
Autores: Best, Mairi M. R.; Favali, Paolo; Beranzoli, Laura; Blandin, Jerome; Cagatay, Namik M.; Cannat, Mathilde; Jose Danobeitia, Juan; Delory, Eric; De Miranda, Jorge M. A.; Del Rio Fernandez, Joaquin; De Stigter, Henko; Gillooly, Mick; Grant, Fiona; Hall, Per O. J.; Hartman, Susan; Hernandez-brito, Joaquin; Lanteri, Nadine; Mienert, Juergen; Oaie, Gheorge; Piera, Jaume; Radulescu, Vlad; Rolin, Jean-francois; Ruhl, Henry A.; Waldmann, Christoph.
The European Multidisciplinary Seafloor and water-column Observatory (EMSO) European Research Infrastructure Consortium (ERIC) provides power, communications, sensors, and data infrastructure for continuous, high-resolution, (near-)real-time, interactive ocean observations across a multidisciplinary and interdisciplinary range of research areas including biology, geology, chemistry, physics, engineering, and computer science, from polar to subtropical environments, through the water column down to the abyss. Eleven deep-sea and four shallow nodes span from the Arctic through the Atlantic and Mediterranean, to the Black Sea. Coordination among the consortium nodes is being strengthened through the EMSOdev project (H2020), which will produce the EMSO Generic...
Tipo: Text
Palavras-chave: Ocean Observatory Consortium; Europe; Geohazards; Climate change; Ecosystems.
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00343/45442/45806.pdf

Chitin/toxicant interactions and microbial degradation within estuarine ecosystems.
Provedor de dados: 5
Autores: Portier, R; Meyers, S.
The environmental effect and fate of several agricultural and industrial source toxicants were evaluated in controlled laboratory microcosm systems in the presence of the aminopolysaccharide polymer, chitin. Toxicants examined included methyl parathion, phenol, pentachlorophenol, 2,4 dichlorophenol, 1,2 dichloroethane and Kepone. Microcosm operating parameters, including pH/Eh, salinity, temperature, flow rate and sediment/water interface conditions, were based on comparable in situ measurements. Fate analysis predictions were based on mineralization of the parent toxicant compound as measured by chromatographic analysis or super(14)CO sub(2) expiration. Chitin, amended to continuous flow microcosms, promoted either cometabolic or cooxidative...
Tipo: Text
Palavras-chave: Controlled conditions; Chemical pollutants; Industrial wastes; Pesticides; Metabolism; Food webs; Biodegradation; Ecosystems; Microorganisms; Environmental effects; Brackishwater pollution; Estuaries; Toxicants; Chitin.
Ano: 1984
URL: http://archimer.ifremer.fr/doc/1984/acte-1011.pdf

Do explicit criteria help in selecting indicators for ecosystem-based fisheries management?
Provedor de dados: 5
Autores: Rochet, Marie-joelle; Rice, Jake.
An evaluation framework developed to help select an appropriate suite of indicators to support an ecosystem approach to fisheries management was tested experimentally by asking independent experts to weight the selection criteria provided and to score indicators against those criteria in several ecological settings. The steps in selecting indicators proved to be prone to subjectivity and value judgement, and differences in scores between experts were the main factor contributing to variability in evaluation results. Having to justify scores in a written document did not improve consistency among the experts. The framework, however, did enhance transparency by explicitly stating each issue to be addressed in the selection process, and by giving experts or...
Tipo: Text
Palavras-chave: Selection criteria; Indicators; Fisheries management; Ecosystems; Criteria weights.
Ano: 2005
URL: http://archimer.ifremer.fr/doc/2005/publication-483.pdf

Pisciculture et gestion des bassins versants: problemes actuels et reflexions prospectives
Provedor de dados: 5
Autores: Leynaud, G.
This paper analyses the impact of fish breeding on watersheds (water quality) through a better knowledge by studies leading to a better legislation and influence on government services.
Tipo: Text
Palavras-chave: France; Ecosystems; Watersheds; Fish culture.
Ano: 1993
URL: http://archimer.ifremer.fr/doc/1993/acte-1334.pdf

Southampton water and the Solent: Biological effects of the multi-use of an estuarine system.
Provedor de dados: 5
Autores: Lockwood, A.
An outline is provided of (1) some factors which have influenced the clam and oyster populations of the area (2) the effect of nutrient load on phytoplankton production (3) the correlation between Mesodinium blooms and the summer oxygen levels in the stratified part of the estuary and (4) a description of the fauna and flora in regions adjacent to some industrial inputs.
Tipo: Text
Palavras-chave: Aquatic communities; Ecosystems; Coastal zone management; Oyster fisheries; Oxygen depletion; Algal blooms; Phytoplankton; Estuaries; Environmental impact.
Ano: 1985
URL: http://archimer.ifremer.fr/doc/1985/acte-1310.pdf

Ecosystem spatial structure revealed by integrated survey data
Provedor de dados: 5
Autores: Petitgas, Pierre; Huret, Martin; Dupuy, Christine; Spitz, Jerome; Authier, Matthieu; Romagnan, Jean-baptiste; Doray, Mathieu.
Integrated marine survey series such as PELGAS provide comprehensive geo-referenced data over large sea areas in major ecosystem components with defined biological resolution and spatio-temporal sampling scale. These data enable to develop product at different levels of biological organization and spatial scale that are useful for ecosystem integrated assessments. Using the PELGAS integrated data series, we applied a generic procedure made of several steps to identify and map ecologically coherent ecosystem spatial units in the Bay of Biscay. First, the data were interpolated on a common spatial grid and organized as a time series of matrices containing at each time the variables as columns and the grid cell values as rows. The multi-table analysis method...
Tipo: Text
Palavras-chave: Integrated surveys; Ecosystems; Spatial structure; Multi-factor analysis; Bay of Biscay; Pelagic.
Ano: 2018
URL: https://archimer.ifremer.fr/doc/00403/51402/51977.pdf

The ICES North Sea Benthos Project 2000: aims, outcomes and recommendations
Provedor de dados: 5
Autores: Rees, Hubert; Eggleton, Jacqueline D.; Vanden Berghe, Edward; Aldridge, John; Bergman, Magda J. N.; Boalm,; Cochrane, Sabine; Craeymeersch, Johan A.; Degraer, Steven; Desroy, Nicolas; Dewarumez, Jean-marie; Duineveld, Gca; Essink, Karel; Goethals,; Hillewaert, Hans; Irion,; Kershaw, Peter; Kroncke, Ingrid; Lavayele, Marc; Mason, Claire; Nehring, Stefan; Newell, Richard; Oug, Eivind; Pohlman, Thomas; Reiss, Henning; Robertson, Mike; Rumorh, Heye; Schratzberger, Michaela; Smith,; Van Dalfsen, Jan; Van Hoey, Gert; Vincx, Magda; Willems, Wouter.
The ICES Study Group on the North Sea Benthos Project 2000 undertook to integrate recent (1999–2002) macrobenthic infaunal and environmental data from various national sources. The main aim was to compare the outcome with that of the ICES North Sea Benthos Survey conducted in 1986, to identify any significant changes and their likely causes. In the process, the exercise yielded valuable lessons for the conduct of international collaborative programmes, as well as insights into the utility of a range of interpretational tools. These are timely in view of increasing requirements for periodic sea-wide assessments of quality status to meet international obligations, such as those under OSPAR, ICES, HELCOM, and EU auspices for European waters. This paper...
Tipo: Text
Palavras-chave: Macrobenthos; Infauna; Sediments; Communities; Ecosystems; North Sea.
Ano: 2007
URL: http://archimer.ifremer.fr/doc/00158/26893/25024.pdf

L'écotoxicologie appliquée au milieu marin
Provedor de dados: 5
Autores: Maurice, Manuelle.
In this report we present the main scientific orientations taken until now in France and under the world conceming marine ecotoxicology. We discuss successively the state of the environment in France, the toxicity of pollutants on marine organisms, the monitoring of pollutants and the technics used to measure the biological effects on marine ecosystems.
Tipo: Text
Palavras-chave: Ecotoxicologie marine; Écosystèmes; Effets biologiques; Bio-surveillance; Polluants chimiques; Marine ecotoxicology; Chemicals; Ecosystems; Biological effects; Bio-monitoring.
Ano: 1996
URL: http://archimer.ifremer.fr/doc/00123/23412/21239.pdf

Los ensayos ecotoxicológicos como una alternativa para la evaluación del impacto ambiental, evaluación de una molécula de interés
Provedor de dados: 20
Autores: Camacho Bordón, S.; Aguila Jiménez, E.; Cortés Rodríguez, R.; Pérez Donato, A.; Serrano Pérez, H.; Agramonte Peñalver, D.
In the last years, the world has taken concious of the necessity of monitoring the impact of contaminants from social and productive activities of modern societies on ecosystems to solve this problem a series of test have been achieved and yet are tried to be improved which are directed to especific aspects of ecosystems. In our country different institution have joined efforts to give an answer related to the evaluation of compounds used in agriculture. This work is coordinated by Toxicological National Center of Cuba (CENATOX) and has assigned to each member of the national toxicological net the task of standardizing reliable test for a rapied and well aimed answer in this sense. As members of this net, the Center of Bioactive Chemicals Toxicological...
Tipo: Conference Material
Palavras-chave: Ecotoxicology; Ecosystems; Environmental impact; Pollution effects; Pollution; Ecotoxicology; Ecosystems; Environmental impact; Pollution; Http://aims.fao.org/aos/agrovoc/c_35788; Http://aims.fao.org/aos/agrovoc/c_2482; Http://aims.fao.org/aos/agrovoc/c_24420; Http://aims.fao.org/aos/agrovoc/c_6077.
Ano: 2006
URL: http://hdl.handle.net/1834/2252

Rapport national sur l'état de l'environnement marin et côtier
Provedor de dados: 20
Le domaine maritime sénégalais s’étend de 18°00 N, -20°00 W, -16°30 E, 12°15 S ; la presqu’île du Cap-Vert située entre 14°30 N et 15°00 N le divise en deux zones aux caractéristiques topographiques distinctes. Au nord, le plateau continental est peu étendu vers le large et orienté Nord-Nord/Est. Au sud de la presqu’île, le plateau s’élargit et le talus continental est orienté nord-sud. L’embouchure du fleuve Sénégal au Sénégal au Nord de la presqu’île du Cap-Vert et celles de la Gambie et de la Casamance au Sud constituent également un trait marquant de cette région. Les travaux réalisés au Sénégal en océanographie ont montré : - l’existence de deux saisons marines aux caractéristiques très différentes qui se succèdent : une saison chaude de juillet à...
Tipo: Report
Palavras-chave: Deltas; Ecosystems; Mangroves; Coastal erosion; Marine environment; Marine mammals; Shark fisheries; Turtle fisheries; Aquatic birds; Fishermen; Migrations; Flora; Fisheries; Marine pollution; Fishing nets; Climatic changes; Deltas; Ecosystems; Marine environment; Aquatic birds; Fishermen; Fisheries; Mangroves; Coastal erosion; Flora; Fishing nets; Http://aims.fao.org/aos/agrovoc/c_2170; Http://aims.fao.org/aos/agrovoc/c_2482; Http://aims.fao.org/aos/agrovoc/c_4610; Http://aims.fao.org/aos/agrovoc/c_8898; Http://aims.fao.org/aos/agrovoc/c_2936; Http://aims.fao.org/aos/agrovoc/c_2934; Http://aims.fao.org/aos/agrovoc/c_16190; Http://aims.fao.org/aos/agrovoc/c_9949; Http://aims.fao.org/aos/agrovoc/c_2983; Http://aims.fao.org/aos/agrovoc/c_2951.
Ano: 1922
URL: http://hdl.handle.net/1834/2884

Rapport national sur l'état de l'environnement marin et côtier
Provedor de dados: 20
Le domaine maritime sénégalais s’étend de 18°00 N, -20°00 W, -16°30 E, 12°15 S ; la presqu’île du Cap-Vert située entre 14°30 N et 15°00 N le divise en deux zones aux caractéristiques topographiques distinctes. Au nord, le plateau continental est peu étendu vers le large et orienté Nord-Nord/Est. Au sud de la presqu’île, le plateau s’élargit et le talus continental est orienté nord-sud. L’embouchure du fleuve Sénégal au Sénégal au Nord de la presqu’île du Cap-Vert et celles de la Gambie et de la Casamance au Sud constituent également un trait marquant de cette région. Les travaux réalisés au Sénégal en océanographie ont montré : - l’existence de deux saisons marines aux caractéristiques très différentes qui se succèdent : une saison chaude de juillet à...
Tipo: Report
Palavras-chave: Deltas; Ecosystems; Mangroves; Coastal erosion; Marine environment; Marine mammals; Shark fisheries; Turtle fisheries; Aquatic birds; Fishermen; Migrations; Flora; Fisheries; Marine pollution; Fishing nets; Climatic changes; Deltas; Ecosystems; Marine environment; Aquatic birds; Fishermen; Fisheries; Mangroves; Coastal erosion; Flora; Fishing nets.
Ano: 2002
URL: http://hdl.handle.net/1834/2884

Pêcherie démersale côtière au Sénégal. Essai de modélisation de la dynamique de l'exploitation des stocks
Provedor de dados: 20
Autores: Institut de Recherche pour le Développement, Paris (France); Fall, Massal.
Français - Les traits essentiels de la côte sénégalaise, repères historiques de la pêche, communautés de pêcheurs, caractéristiques des flottes et modes d’accès à la ressource et d’interaction sont analysés. Les caractéristiques, tendances décroissantes de l’abondance,niveaux d’exploitation, mesures d’aménagement, relations interspécifiques, changements potentiels et sources de variation des stocks démersaux côtiers sont précisés. Les notions de tactiques et stratégies de pêche sont passées en revue, conceptualisées puis étudiées.Le modèle «Dynamique Conjointe Exploitation Ressource» utilisé repose sur la définition de 4 typologies. L’utilisation de méthodes de classification et de connaissances d’experts conduit à considérer 32 stocks, 31 strates, 82...
Tipo: Theses and Dissertations
Palavras-chave: Fisheries; Demersal fisheries; Modelling; Stocks; Ecosystems; Community fishing; Inland waters; Marine water; Hydrologic cycle; Fishermen; Fishing fleet; Shrimp fisheries; Capture fisheries; Fisheries management; Trawling; Artisanal fishing; Fishing licenses.
Ano: 2009
URL: http://hdl.handle.net/1834/5004

Report of the EAF REGIONAL TASK GROUP MEETING AND ECOLOGICAL RISK ASSESSMENT METHODOLOGY WORKSHOP (SOUTH WEST INDIAN OCEAN)
Provedor de dados: 20
The first meeting of the South West Indian Ocean EAF Regional Task Group (RTG) was held in Mombasa, Kenya, from 27 to 30 January 2009, together with an ecological risk assessment methodology workshop. It was attended by 20 partic ipants from the South West Indian Ocean (SWIO) countries, the South West Indian Ocean Fisheries Project (SWIOFP), the Agulhas and Somali Currents Large Marine Ecosystems (ASCLME) project, the Scientific Committee of the South West Indian Ocean Fisheries Commission, the United Nations Environment Programme (UNEP)/Nairobi Convention Implementation Unit, the African Union Commission and FAO. The RTG is an implementation structure under the EAF-Nansen project GCP/INT/003/NOR and serves as the forum for training in ecological risk...
Tipo: Report
Palavras-chave: Ecosystems; Fishery resources; Fisheries management; Ecosystems; Fisheries.
Ano: 2009
URL: http://hdl.handle.net/1834/5320

Visions for a Sea change, Report of the First Iinternational Workshop on Marine Spatial Planning
Provedor de dados: 20
Autores: Ehler, Charles; Douvere, Fanny.
1 Introduction to the Workshop on Marine Spatial Planning 7 2 Introduction to Ecosystem-based, Sea Use Management 15 3 Ecosystem-based, Sea Use Management and Marine Spatial Planning 23 4 Key Scientific Issues for Ecosystem-based, Marine Spatial Planning 29 5 Legislation and Policy Framework for Marine Spatial Planning 35 6 A Process for Marine Spatial Planning 45 7 Defining the Human Dimension of Marine Spatial Planning 53 8 Implementing Marine Spatial Planning 57 9 Monitoring, Evaluating, and Adapting Marine Spatial Planning 65 10 Conclusions and Next Steps 71
Tipo: Report
Palavras-chave: Marine sciences; Spatial analysis; Spatial information; Marine resources; Ecosystems.
Ano: 2006
URL: http://hdl.handle.net/1834/4464

Coastal and Marine Ecosystems-- Tanzania
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/611

Pollution et écosystèmes marins en Mauritanie
Provedor de dados: 20
Autores: Ba, M.
Tipo: Journal Contribution
Palavras-chave: Ecosystems; Pollution; Sea pollution.
Ano: 1982
URL: http://hdl.handle.net/1834/4750

Coastal and Marine Ecosystems-- Congo
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Journal Contribution
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/574

Coastal and Marine Ecosystems-- Zambia
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/613

Análisis de la distribución y dinámica poblacional de lenguados de la Provincia de Buenos Aires (Pisces, Bothidae)
Provedor de dados: 20
Autores: Fabré, N.N.
Los lenguados constituyen un importante recurso pesquero en el Mar Argentino. Más que en los volúmenes desembarcados (9 .731 t en 1991), esta importancia se centra en su elevado valor de comercialización debido a la alta calidad de su carne. Atendiendo a los desembarques totales realizados en el Mercado de Concentración Pesquera de Mar del Plata, los lenguados ocupan el octavo lugar. Estos desembarques están compuestos principalmente por especies de porte mediano a grande pertenecientes al género Paralichthys, y por ejemplares de tamaño mediano o pequeño de las especies Xystreuris rasile, y en menor proporción, Paralichthys isosceles. Este recurso es explotado, en el sector bonaerense, por las flotas de rada o ría y costera, mientras que la flota de altura...
Tipo: Theses and Dissertations
Palavras-chave: Geographical distribution; Population dynamics; Population structure; Growth; Reproduction; Mortality; Environmental effects; Ecosystems; Marine fish.
Ano: 1992
URL: http://hdl.handle.net/1834/5158

Coastal and Marine Ecosystems-- Dem. Rep. of the Congo
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Journal Contribution
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/575

Coastal and Marine Ecosystems-- South Africa
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/604

Etude sur le savoir écologique des pêcheurs artisans des petits pélagiques en Afrique du Nord-Ouest
Provedor de dados: 20
Autores: Sall, A.
Agriculture, Nature and Food Quality, Den Haag (Netherlands); Ministerie Van Buitenlandse Zaken,  Brussel (Belgium); Wageningen International,  Wageningen (Netherlands)
Tipo: Report
Palavras-chave: Fisheries; Artisanal fishing; Fishermen; Fishing effort; Canoe fisheries; Coastal zone; Fishery engineering; Protected resources; Pelagic fisheries; Cycles; Sexual reproduction; Multispecies fisheries; Stocks; Ocean currents; Winds; Biomass; Upwelling; Ecosystems; Maritime legislation; Size; Biomass; Ecosystems; Fisheries; Fishermen; Stocks; Ocean currents; Winds; Size; Fishing effort; Pelagic fisheries; Sexual reproduction; Multispecies fisheries; Http://aims.fao.org/aos/agrovoc/c_926; Http://aims.fao.org/aos/agrovoc/c_2482; Http://aims.fao.org/aos/agrovoc/c_2934; Http://aims.fao.org/aos/agrovoc/c_2936; Http://aims.fao.org/aos/agrovoc/c_28772; Http://aims.fao.org/aos/agrovoc/c_12883; Http://aims.fao.org/aos/agrovoc/c_8401; Http://aims.fao.org/aos/agrovoc/c_7093; Http://aims.fao.org/aos/agrovoc/c_24027; Http://aims.fao.org/aos/agrovoc/c_5659; Http://aims.fao.org/aos/agrovoc/c_26876; Http://aims.fao.org/aos/agrovoc/c_4987.
Ano: 2009
URL: http://hdl.handle.net/1834/3671

Coastal and Marine Ecosystems-- Guinea-Bissau
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/598

Management of Oil Spill Dispersal Along the Nigerian Coastal Areas
Provedor de dados: 20
Autores: Nwilo, P.C.; Badejo, O.T.
Nigeria, one of the world’s largest oil exporters, has a coastline of approximately 853km facing the Atlantic Ocean. This coastline lies between latitude 4o 10’ to 6o 20’ N and longitude 2o 45’ to 8o 35’ E. The Nigerian coast is composed of four distinct geomorphology units namely the Barrier-Lagoon Complex; the Mud Coast; the Arcuate Niger Delta and the Strand Coast. 90-95% of export revenues in Nigeria is from the oil sector. Nigeria’s oil reserves are about 31.5 billion barrels, while Nigeria’s crude oil production averaged 2.118 million barrels per day in 2002. Oil spillage is a major environmental problem in Nigeria. Between 1976 and 1996 Nigeria recorded a total of 4835 oil spill incidents, which resulted in a loss of 1,896,960 barrels of oil to the...
Tipo: Working Paper
Palavras-chave: Oil spills; Ecosystems; Water pollution.
Ano: 2004
URL: http://hdl.handle.net/1834/267

Coastal and Marine Ecosystems-- Nigeria
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/596

Coastal And Marine Ecosystems-- Algeria
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO), Center for International Earth Science Information Network (CIESIN),Global Maritime Boundaries Database (GMBD),Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES),(World Conservation Monitoring Centre (WCMC),
Tipo: Journal Contribution
Palavras-chave: Ecosystems; Country profile; Algeria; Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/569

Coastal and Marine Ecosystems-- Burkina Faso
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/612

Regional Consolidated Analysis Of The First Phase Of The Gef Msp Subsaharan Project
Provedor de dados: 20
Autores: Global Environment Facility.
The 11,300 km of coastline of the 11 participating sub-Saharan African countries are characterized by a diversity of ecosystems and an abundance of natural resources. The national reports describe ecosystems which include mangrove swamps, estuaries, rocky shores, coastal wetlands and coral reefs. These coastal and marine habitats and resources fulfil a number of functions: they moderate storm impacts and protect coastal features, recycle nutrients, absorb and break down wastes, provide human and wildlife habitat, provide sources of livelihood for millions of coastal dwellers, maintain biodiversity, and present opportunities for recreation, tourism, transport, trade, and employment. Commercial fisheries contribute significantly to the national GDP, export...
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2002
URL: http://hdl.handle.net/1834/642

Coastal and Marine Ecosystems-- Kenya
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/584

Characterizing and Comparing the Spawning Habitats of Sardine (Sardinops sagax) and Anchovy (Engraulis encrasicolus) in the Northern Benguela Region
Provedor de dados: 20
Autores: Tjizoo,Mbeurora Beau.
Spawning habitats of sardine and anchovy in eastern boundary current systems are characterized in an attempt to understand the fluctuations observed in their abundance. The northern Benguela, as an eastern boundary current system, is characterized by turbulent conditions that seem to govern the variability observed in the abundance of these species. Sardine and anchovy have developed mechanisms that enable them to maximize productivity. In the northern Benguela, spawning intensity is historically known to be high in periods and vicinities where turbulence is reduced. However, it is believed that selection of conditions for spawning by these species may change withfluctuations in abundance of fish.
Tipo: Theses and Dissertations
Palavras-chave: Sardine fisheries; Spawning; Anchovy fisheries; Habitat; Ecosystems; Sea surface temperature; Salinity; Spatial distribution; Climatic changes; Anthropogenic factors; Pelagic environment; Circulation; Coastlines.
Ano: 2008
URL: http://hdl.handle.net/1834/5231

L’approche écosystèmique et la gestion par bassin versant: le cas de la Somone
Provedor de dados: 20
Autores: Diop, M.; Konaté, M.
L’eau est l’un des éléments de base de tous les écosystèmes. En fonction du milieu où elles s’écoulent, les ressources hydriques sont plus ou moins importantes, accessibles ou vulnérables. Les caractéristiques de l’eau sont dépendantes du milieu biophysique environnant, mais elles peuvent être fortement modifiées par la présence humaine. En effet, l’eau est une composante fondamentale des activités humaines, que ce soit pour l’alimentation, la production de biens, le commerce ou les loisirs. Ces activités exercent une pression sur les écosystèmes naturels. Elles modifient la ressource hydrique sur le plan quantitatif et qualitatif, entraînant des répercussions plus ou moins importantes sur les écosystèmes touchés et, par conséquent, sur les espèces...
Tipo: Journal Contribution
Palavras-chave: Inland water environment; Aquatic environment; Ecosystems; Ecosystems; Inland water environment; Aquatic environment; Http://aims.fao.org/aos/agrovoc/c_2482; Http://aims.fao.org/aos/agrovoc/c_3875; Http://aims.fao.org/aos/agrovoc/c_554.
Ano: 2005
URL: http://hdl.handle.net/1834/2456

Tides, tidal currents and their effects on the intertidal ecosystem ofthe southern bay, lnhaca Island, Mozambique
Provedor de dados: 20
Autores: Rydberg, L.; de Boer, W.F.; Saide, V.
Sediment characteristics and tidal currents were studied in the 1500 ha intertidal area south of Inhaca Island, Mozambique. Thetide is semi-diurnal with a range at spring of about 3 m. The area connects directly to the ocean through the Ponta Torres Straitand (indirectly) through several narrow tidal channels ending up in Maputo Bay. Velocities of up to 0.75 m s-1 were measured in the Ponta Tones strait. After Low Water, Indian ocean water starts entering the tidal flats, while entrance from the MaputoBay side is delayed by one to several hours. With only one tide gauge and one current meter at hand, we found indications of ahigher mean sea level on the oceanic side (probably due to ocean wave set up) and a mean flow in the Ponta Torres Straitdirected...
Tipo: Journal Contribution
Palavras-chave: Tidal currents; Ecosystems.
Ano: 2000
URL: http://hdl.handle.net/1834/701

Coastal and Marine Ecosystems-- Liberia
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/585

Coastal Ecosystems
Provedor de dados: 20
The coastal forest communities of Kenya exist mainly as isolated blocks which show high levels of species endemism and comprise a total of about 83,800ha in a narrow belt which extends inland for about 30km. The forests are characterized by dense or moderately dense stands of tall trees, species of the genera Sterculia, Chlorophora and Memecylon. The drier woodlands include stands of Cynometra, Manilkara and Afzelia. Centuries of human occupation have reduced the forest element which was originally more extensive. Mangrove swamps occur in tidal estuaries and lagoons while coconut palms are common above high tide. A complex of many bush types occur in the high bush area. Scattered baobab trees present a striking appearance while the prevalence of mango...
Tipo: Report
Palavras-chave: Coastal zone; Ecosystems; Forestry; Http://aims.fao.org/aos/agrovoc/c_3055.
Ano: 1995
URL: http://hdl.handle.net/1834/648

Uber ein holozänes Korallen- und Mangrovenvorkommen nahe Santa Marta, Kolumbien
Provedor de dados: 20
Autores: Erfa, A.v.; Geister, J.
En el mes de nov./1969 olas larga procedentes de un huracán en el NW del Mar Caribe causaron temporalmente la erosión de la "Punta la Loma", una punta de arena situada en la playa frente al aeropuerto Simón Bolívar de Santa Marta. Como resultado de este suceso afloró el sustrato de esta punta, el cual esta formado de una granodiorita encrustada por corales arrecifales y cubierta por una arena cementada. En la fauna coralina están presentadas solamente especies recientes conocidas de la costa colombiana del Caribe. También se encontraron algunos moluscos y abundantes restos litificados de raíces de mangles.
Tipo: Journal Contribution
Palavras-chave: Coral; Geology; Stratigraphy; Sedimentation; Mangroves; Ecosystems; Geology; Stratigraphy; Ecosystems; Sedimentation; Mangroves; Http://aims.fao.org/aos/agrovoc/c_3232; Http://aims.fao.org/aos/agrovoc/c_7440; Http://aims.fao.org/aos/agrovoc/c_2482; Http://aims.fao.org/aos/agrovoc/c_6926; Http://aims.fao.org/aos/agrovoc/c_16190.
Ano: 1976
URL: http://hdl.handle.net/1834/3299

Coastal and Marine Ecosystems-- Côte d'Ivoire
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/583

Towards the development of environmental indices for the Namibian shelf, with particular reference to fisheries management.
Provedor de dados: 20
Autores: Bartholomae, Ch.; Van der Plas, A.
The Namibian Ministry of Fisheries and Marine Resources has the task of collecting and providing relevant oceanographic information for management of their fisheries. However, quality information is difficult to provide because of the complexity of the processes involved in the Namibian marine ecosystem. Nonetheless, there are oceanographic data available that can contribute to fisheries management by improving the general understanding of important oceanographic processes related to fisheries. The focus of this paper is on the development of simple environmental indices that can serve as a measurement or proxy of the state or intensity of certain important oceanographic processes or variables for temporal comparison. These indices relate to oceanographic...
Tipo: Journal Contribution
Palavras-chave: Fisheries management; Marine resources; Oceanographic data; Chlorophylls; Upwelling; Spatial variations; Sardine fisheries; Water temperature; El Nino phenomena; Ecosystems; Fish stocks; Surface temperature; Oxygen; Phytoplankton; Biomass; Seasonal variations; Fronts; Perturbations; Commercial fisheries; Catchability; Remote sensing; Chlorophylls; Dissolved oxygen; Environmental impact.
Ano: 2007
URL: http://hdl.handle.net/1834/4971

Coastal and Marine Ecosystems-- Sierra Leone
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/603

Using indicators for evaluating,comparing and communicating the ecological status of exploited marine ecosystems. 2. Settinf the scene
Provedor de dados: 20
Autores: Shin, Y.J.; Shannon, L. J.; Bundy, A.; Coll, M.; Aydin, K.; Bez, N.; Blanchard, J.L.; Borges, M.F.; Diallo, I.; Diaz, E.; Heymans, J.J.; Hill, L.; Johannesen, E.; Jouffre, D.; Kifani, S.; Labrosse, P.; Link, J. S.; Mackinson, S.; Masski, H.; Mo¨llmann, C.; Neira, S.; Ojaveer, H.; Ould Mohammed Abdallahi, K.,; Perry, I.; Thiao, D.; Yemane, D.; Cury, P.M.
Tipo: Journal Contribution
Palavras-chave: Indicators; Evaluation; Ecological efficiency; Ecosystems; Marine environment; Indicators.
Ano: 2010
URL: http://hdl.handle.net/1834/4980

An Assessment of How Coastal Communities Can Become Involved and Benefit from the BCLME Programme. I. Report of the Angolan visit
Provedor de dados: 20
The Benguela Current Large Marine Ecosystem (BCLME) flanks the coastal areas of Angola, Namibia and South Africa, representing a unique upwelling ecosystem. Striving to establish effective management of the BCLME, the BCLME Programme is a multi-sectoral initiative funded by the Global Environment Facility (GEF) and further financial and in-kind contributions from the three member countries. The United Nations Development Programme (UNDP) implements the Programme and the United Nations Office for Project Services (UNOPS) is the executing agency. Communities in the coastal areas of Angola, Namibia and South Africa depend on the coastal and inshore resource for their survival and livelihood and therefore have a large stake in the management of this Large...
Tipo: Working Paper
Palavras-chave: Ecosystems; Upwelling.
Ano: 2004
URL: http://hdl.handle.net/1834/372

Sustainability of the Benguela: ex Africa semper aliquid novi
Provedor de dados: 20
Autores: Shannon, L.V.; O’Toole, M.J.
The Benguela Current ecosystem is situated along the coast of south western Africa, stretching from east of the Cape of Good Hope, in the south, northwards into Angola waters and encompassing the full extent of Namibia’s marine environment. It is one of the four major coastal upwelling ecosystems of the world which lie at the eastern boundaries of the oceans. Like the Humboldt, California and Canary systems, the Benguela is an important centre of marine biodiversity and marine food production. Its distinctive bathymetry, hydrography, chemistry and trophodynamics combine to make it one of the most productive ocean areas in the world, with a mean annual primary productivity of 1.25 kilograms of carbon per square metre per year—about six times higher than the...
Tipo: Book Section
Palavras-chave: Ecosystems; Sustainability.
Ano: 2003
URL: http://hdl.handle.net/1834/396

Coastal and Marine Ecosystems-- Seychelles
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/602

RÉUNION DU GROUPE DE TRAVAIL RÉGIONAL AEP ET DE L’ATELIER SUR LA MÉTHODOLOGIE D’ÉVALUATION DU RISQUE ÉCOLOGIQUE (SUD-OUEST DE L’OCÉAN INDIEN)
Provedor de dados: 20
La première réunion du Groupe de travail régional AEP s’est tenue du 27 au 30 janvier 2009 à Mombasa, Kenya, en même temps qu’un Atelier sur la méthodologie d’évaluation du risque écologique. Vingt participants des pays du sud-ouest de l’océan indien (SWIO), du Projet des pêches du sud-ouest de l’océan Indien (SWIOFP), du Projet sur les larges écosystèmes marins des courants d’Agulhas et de Somali (ASCLME), du Comité scientifique de la Commission des pêches du sud-ouest de l’océan Indien, de l’Unité d’exécution de la Convention de Nairobi/PNUD, de la Commission de l’Union africaine et de la FAO. Le Groupe de travail régional (GTR) est une structure d’exécution placée sous le Projet AEP-Nansen GCP/INT/003/NOR qui sert de forum pour la formation sur...
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2009
URL: http://hdl.handle.net/1834/5321

eventualité d’un transfert du phytoplancton toxique des milieux portuaires du golfe de gabè vers les zones de production de coquillage
Provedor de dados: 20
Autores: Hamza, A.; Dammak-Zouari, H.; Bouain, A.
Il est connu que les ports soumis à un trafic maritime intense réceptionnent éventuellement les eaux de ballast des navires en provenance de diverses contrées océaniques. De part le monde, le transfert et l’invasion de plusieurs espèces nuisibles  via  le déversement des eaux de ballast et le fouling des coques des navires ont été amplement mis en cause ces derniers temps. Ces introductions peuvent causer de nombreux dégâts aux secteurs avoisinants et notamment dans les zones de production des coquillages surtout si les espèces introduites sont constituées de phytoplancton toxique. Au terme de  4 années de suivi de la qualité phytoplanctonique des milieux portuaires du golfe de Gabès, nous avons pu  inventorier certaines espèces toxiques pour la plupart...
Tipo: Journal Contribution
Palavras-chave: Ballast; Ecology; Ecosystems; Eutrophication; Phytoplankton; Pollution monitoring; Toxicity.
Ano: 2006
URL: http://hdl.handle.net/1834/4271

Coastal and Marine Ecosystems-- Mauritania
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/588

A Comparison Of Condition Factor And Gonadosomatic Index Of Sardine Sardinops Sagax Stocks In The Northern And Southern Benguela Upwelling Ecosystems, 1984–1999
Provedor de dados: 20
Autores: Van der Lingen, C.D.; Kreiner, A.; Fréon, P.
Time-series of condition factor (CF) and gonadosomatic index (GSI) were generated using general linear models (GLM) for sardine Sardinops sagax stocks in the northern and southern Benguela ecosystems over the period 1984–1999. During this period the biomass of sardine in the northern Benguela remained at relatively low levels of &lt;500 000 tons, whereas that of southern Benguela sardine increased 40-fold to 1.3 million tons. The GLMs explained 27 and 45% of the observed variation in CF, and 32 and 28% of the observed variation in GSI, for sardine in the northern and southern Benguela subsystems respectively. Whereas the sardine CF in the northern Benguela remained stable over time, that for the southern Benguela stock declined steadily during the study...
Tipo: Journal Contribution
Palavras-chave: Abstracts; Ecosystems; Sardine fisheries; Ecosystems; Http://aims.fao.org/aos/agrovoc/c_2482.
Ano: 2001
URL: http://hdl.handle.net/1834/2124

Coastal and Marine Ecosystems-- Ghana
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/581

Coastal and Marine Ecosystems-- Angola
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),World Conservation Monitoring Centre (WCMC),Center for International Earth Science Information Network (CIESIN),World Resources Institute,International Food Policy Research Institute,Global Maritime Boundaries Database (GMBD),The International Society for Mangrove Ecosystems (ISME),
Tipo: Journal Contribution
Palavras-chave: Country profile; Angola; Ecosystem; Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/570

Coastal and Marine Ecosystems-- Eritrea
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Journal Contribution
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/578

Sustainable community-based management and conservation of mangrove ecosystems in Cameroon.
Provedor de dados: 20
Mangrove ecosystems on the coast of Cameroon are valuable both for their contributions to local livelihoods and the globally important biodiversity that they contain. However, these areas are threatened by a number of development pressures as well as unsustainable management and harvesting practices of the local communities living there. This project aims to strengthen protection and reduce degradation in these areas by supporting inter-sectoral co-ordination and collaboration (within an agreed national framework) and by helping local communities to redirect local economic activities towards activities that both improve their livelihoods as well as assist with the conservation of globally important biodiversity found in these areas. At the national level,...
Tipo: Report
Palavras-chave: Mangroves; Biodiversity; Ecosystems.
Ano: 2011
URL: http://hdl.handle.net/1834/5478

Mangroves of Kenya: The effects of species richness on growth and ecosystem functions of restored East African Mangrove stands
Provedor de dados: 20
Autores: Huxham, M.; Kairo, J.G.; Skov, M.W.
Mangrove forests are unique ecosystems which provide a range of important goods and services. However, they are suffering high rates of destruction around the world, and will be one of the first ecosystems affected by the predicted sea level rise. This project aims to establish re-planted experimental plots of mangroves in cleared areas. Experimental treatments will consist of plots of three different tree species, along with all possible multi-species mixtures and unplanted controls. Volunteers will assist in planting mangroves, and in measuring a range of biological and physical parameters relevant to important ecosystem functions, such as productivity and growth rates, susceptibility to disease, faunal abundance (of fish and crabs) and sedimentary...
Tipo: Working Paper
Palavras-chave: Kwale District; Kenya; Gazi Bay; Mangroves; Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/715

Coastal and Marine Ecosystems-- Morocco
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/593

Diversidad y distribución de la macro- y meiofauna (especialmente nemátodos) en el ecosistema arrecifal de Punta Francés, Cuba
Provedor de dados: 20
Autores: Ruiz Abierno, A.
Se estudió la diversidad y distribución de la macro-  y meiofauna  y los rasgos  funcionales de nemátodos marinos en dos sitios y cuatro hábitats dentro del ecosistema  arrecifal de Punta Francés, Isla de La Juventud, Cuba. Los hábitats seleccionados  fueron: seibadal,  arena, coral muerto y fondo duro, y se muestrearon en dos sitios  dentro del arrecife (Punta Francés y Cabezo de Moya) en Junio del 2010. Se  identificaron y contaron los organismos de la macro- y meiofauna en las muestras; los  nemátodos fueron identificados hasta especie, se calculó su tamaño y biomasa y se  clasificaron en grupos tróficos.  Los hábitats de coral muerto y fondo duro por su  heterogeneidad y cubierta de césped de algas  tuvieron  macro-  y meiofauna más  diversa. La...
Tipo: Theses and Dissertations
Palavras-chave: Microfauna; Meiofauna; Coral reefs; Ecosystems.
Ano: 2013
URL: http://hdl.handle.net/1834/5484

Coastal and Marine Ecosystems-- Rwanda
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/600

Projet d'aménagement des stocks pélagiques partagés : Cas des pêcheries de mulets et de courbines en Mauritanie et au Sénégal
Provedor de dados: 20
En Afrique de l'Ouest, la zone littorale et ses ressources représentent une composante essentielle pour le développement. Près de 60% de la population est concentrée à moins de 20 km des côtes . La part des ressources halieutiques dans l'alimentation des populations est très importante et croissante. Au Sénégal par exemple, elles contribuent jusqu'à 70% des apports en protéines. A cela s'ajoute le poids socio-économique très important de la pêche en général et de la pêche artisanale en particulier devenue l'un des secteurs les plus stratégiques pour l'économie nationale en Mauritanie notamment. Le Cadre Stratégique de Lutte contre la Pauvreté du Gouvernement Mauritanien considère que : "compte tenu des possibilités qu'elle offre en terme de création...
Tipo: Report
Palavras-chave: Artisanal fishing; Fisheries; Fishermen; Stocks; Capture fishery economics; Fish eggs; Fish fillets; Fishing effort; Fishery technology; Mullet fisheries; Pelagic fisheries; Ecosystems; Fisheries; Fishermen; Stocks; Fish fillets; Ecosystems; Fishing effort; Pelagic fisheries; Http://aims.fao.org/aos/agrovoc/c_2934; Http://aims.fao.org/aos/agrovoc/c_2936; Http://aims.fao.org/aos/agrovoc/c_28772; Http://aims.fao.org/aos/agrovoc/c_29019; Http://aims.fao.org/aos/agrovoc/c_2482; Http://aims.fao.org/aos/agrovoc/c_24027; Http://aims.fao.org/aos/agrovoc/c_5659.
Ano: 2002
URL: http://hdl.handle.net/1834/4090

Etudes préliminaires de la deuxième phase du projet de conservation et de gestion participative des écosystèmes de mangrove au Cameroun
Provedor de dados: 20
Le terme mangrove se réfère habituellement à un complexe de zones humides influencé par les marées et constitué de forêts marécageuses et autres habitats associés dans la zone intertidale sous les latitudes tropicales et subtropicales. Les écosystèmes forestiers de mangrove subissent des dégradations anthropiques de toutes sortes et de diverses amplitudes. La pression démographique provoque leur destruction et son influence s’accentue dans des zones non protégées, surtout au voisinage des agglomérations où les problèmes fonciers et la pauvreté poussent les populations à occuper des espaces libres à faibles coûts. Dans sa volonté d’assurer une gestion durable et participative des mangroves au Cameroun, le Gouvernement à travers le Ministère de...
Tipo: Report
Palavras-chave: Mangrovess; Ecosystems; Conservation; Participative management; Regeneration.
Ano: 2010
URL: http://hdl.handle.net/1834/5172

Coastal and Marine Ecosystems-- Tunisia
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/608

Mangroves of Western and Central Africa
Provedor de dados: 20
Autores: Emily, C.; Corinna, R.; Mike, S.
There is an international consensus, expressed in the Convention on Biological Diversity, World Summit on Sustainable Development, and Millennium Ecosystem Assessment, that biodiversity at all levels – genetic, species and ecosystem – have a critical role in sustaining livelihoods and human development. They underpin and make possible all forms of economic activity. Damage to components of biodiversity have economic consequences, the impacts of which fall most heavily on the poor. In few contexts is this as clear as in the case of mangrove ecosystems and their dependent human populations. Mangroves support livelihoods in providing habitat for food species, timber for dwellings, cooking and heat, and many other subsistence and commercial activities....
Tipo: Report
Palavras-chave: Mangroves; Ecosystems.
Ano: 2007
URL: http://hdl.handle.net/1834/5474

Coastal and Marine Ecosystems-- Sudan
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/606

Coastal and Marine Ecosystems-- Mozambique
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/594

Diversity and stability of demersal species assemblages in the Gulf of Guinea
Provedor de dados: 20
Autores: Koranteng, K.A.
The structure of demersal fish assemblages on the continental shelf and upper continental slope of the Gulf of Guinea is described. Community structure is determined primarily by depth and type of sediment on the seabed. Changes in the composition of the identified species assemblages over a 25-year period are examined.  The dynamics of the assemblages are influenced by physico-chemical parameters of the water masses, mainly temperature, salinity and dissolved oxygen, which are periodically modified by the seasonal coastal upwelling that occurs in the western Gulf of Guinea.  Increased irresponsible fishing operations (like the use of explosives) that lead to habitat alteration and other anthropogenic activities like oil and gas exploration which have the...
Tipo: Journal Contribution
Palavras-chave: Assemblages; Ecosystems; Demersal fish; Ecosystems; Http://aims.fao.org/aos/agrovoc/c_2482.
Ano: 2001
URL: http://hdl.handle.net/1834/1265

Coastal and Marine Ecosystems-- Uganda
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/609

Coastal and Marine Ecosystems-- Réunion
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/599

Papel funcional de los hongos en ecosistemas de manglar
Provedor de dados: 20
Autores: Sosa-Rodríguez, T.; Sánchez-Nieves, J.; Melgarejo, L.M.
Los manglares son ecosistemas altamente productivos que tienen una gran diversidad de macro y microorganismos de relevancia ecológica y económica. Entre ellos, la actividad de los hongos habitantes del manglar es fundamental en el ciclaje de nutrientes y en la regulación del ecosistema. El conocmiento actual sobre estos organismos se ha dirigido hascia su diversidad, distribución, ecología, producción de sustancias antimicrobianas e interacciones planta-hongos como fitopatógenos o como simbiontes benéficos involucrados en procesos como la solubilización y movilización de fosfatos.
Tipo: Journal Contribution
Palavras-chave: Fungi; Mangroves; Ecosystems; Nutrient cycles; Ecosystems; Fungi; Mangroves; Http://aims.fao.org/aos/agrovoc/c_2482; Http://aims.fao.org/aos/agrovoc/c_3145; Http://aims.fao.org/aos/agrovoc/c_16190.
Ano: 2009
URL: http://hdl.handle.net/1834/3576

Etude de l'effet des facteurs du milieu sur la distribution des bactéries entériques dans la lagune de Bizerte (Nord-Tunisie)
Provedor de dados: 20
Autores: Bejaoui, B.; Elbour, M.; Belhassen, M.; Mrouna, R.; Boukef, I.; Mejri, S.; Harzallah, A.; Boudabous, A.
La présente étude est effectuée dans le but d’évaluer l’effet des facteurs du milieu sur la distribution des populations bactériennes entériques dans un milieu lagunaire : la lagune de Bizerte. Un échantillonnage saisonnier, (novembre 2004, février 2005, mai 2005 et août 2005), portant sur 41 stations couvrant toute la lagune ont  été réalisés. Les analyses bactériologiques effectuées ont concerné l’eau et le sédiment. Les paramètres physico-chimiques de l’eau ont été mesurés in-situ simultanément aux différents échantillonnages. Aussi, les paramètres climatiques ont été fournis par une station météorologique située à proximité de la lagune.  Les résultats obtenus ont révélé que les charges en bactéries sont plus importantes dans les sédiments que dans...
Tipo: Journal Contribution
Palavras-chave: Abiotic factors; Ecosystems; Geographical distribution; Pollution monitoring; Public health; Water quality.
Ano: 2008
URL: http://hdl.handle.net/1834/4262

Etude de l’effet des facteurs du milieu sur la distribution des bactéries entériques dans la lagune de Bizerte (nord -Tunisie)
Provedor de dados: 20
Autores: Boukef, I.; El Bour, M.; Bejaoui, B.; Harzallah, A.; Belhassen, M.; Mrouana, R.; Mejri, S.; Boudabous, A.
La présente étude est effectuée dans le but d’évaluer l’effet des facteurs du milieu sur la distribution des populations bactériennes entériques dans un milieu lagunaire : la lagune de Bizerte. Un échantillonnage saisonnier, (novembre 2004, février 2005, mai 2005 et août 2005), portant sur 41 stations couvrant toute la lagune ont  été réalisés. Les analyses bactériologiques effectuées ont concerné l’eau et le sédiment. Les paramètres physico-chimiques de l’eau ont été mesurés in-situ simultanément aux différents échantillonnages. Aussi, les paramètres climatiques ont été fournis par une station météorologique située à proximité de la lagune.  Les résultats obtenus ont révélé que les charges en bactéries sont plus importantes dans les sédiments que dans...
Tipo: Journal Contribution
Palavras-chave: Abiotic factors; Ecosystems; Geographical distribution; Pollution monitoring; Public health; Water quality; Geographical distribution; Ecosystems; Public health; Water quality; Http://aims.fao.org/aos/agrovoc/c_5083; Http://aims.fao.org/aos/agrovoc/c_2482; Http://aims.fao.org/aos/agrovoc/c_6349; Http://aims.fao.org/aos/agrovoc/c_16061.
Ano: 2008
URL: http://hdl.handle.net/1834/3696

Determinación de diferentes conjuntos de merluza común (Merluccius hubbsi) en el Mar Argentino mediante el estudio histológico de ovarios
Provedor de dados: 20
Autores: Cornejo, A.M.
Tipo: Theses and Dissertations
Palavras-chave: Ovaries; Histology; Ecosystems; Fish eggs; Fish larvae.
Ano: 1985
URL: http://hdl.handle.net/1834/4188

Caracterización del estado de la biodiversidad en el municipio Guamá, Santiago de Cuba
Provedor de dados: 20
Autores: Apín, Y. C.; Gómez, L. M.
Se ofrece una compilación de los materiales existentes sobre el status de la biodiversidad del municipio Guamá. Las principales problemáticas ambientales son: la antropización producto de migraciones incontroladas de la población hacia las áreas próximas a la línea de costa, vertimientos de desechos sólidos y líquidos en playas y ríos, deficiente red de alcantarillado, presencia de 14 despulpadoras de café, fragmentación de hábitat, la deforestación, erosión de los suelos e introducción de nuevas especies. Se ofrece un breve diagnóstico de la biodiversidad y tipos de ecosistemas presentes (manglares, pastizales marinos, playas y bahías). La fauna terrestre constituye un grupo muy diverso, dentro de esta resulta notoria la presencia de las aves las cuales...
Tipo: Preprint
Palavras-chave: Biodiversity; Ecosystems; Ecosystems; Biodiversity; Http://aims.fao.org/aos/agrovoc/c_2482; Http://aims.fao.org/aos/agrovoc/c_33949.
Ano: 2010
URL: http://hdl.handle.net/1834/3635

Coastal and Marine Ecosystems-- Madagascar
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/587

Coastal and Marine Ecosystems-- Zimbabwe
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/605

Coastal and Marine Ecosystems-- Equatorial Guinea
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Journal Contribution
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/577

Variations des teneurs en chlorophylle &lt;a&gt; et en sels nutritifs dans la lagune de l'Ichkeul
Provedor de dados: 20
Autores: Chaouachi, B.; Ben Hassine, O. K.; Lemoalle, J.
Le suivi régulier des teneurs en chlorophylle a et en sels nutritifs dans la lagune de l'Ichkeul durant l’année 1993 a permis de mieux comprendre le fonctionnement de cet écosystème, milieu original et complexe. Les cycles annuels de la chlorophylle et des sels nutritifs montrent des fluctuations importantes, à l'échelle hebdomadaire. Les fortes biomasses phytoplanctoniques sont observées en hiver en période de courant sortant, en opposition avec les concentrations de phosphore réactif dissous qui ne sont notables que dans l’oued Tinja par courant entrant. Les nitrates et nitrites sont en concentrations plus irrégulières, sans saisonnalité marquée. La gamme des concentrations mesurées en 1993 a été comparable à celle observée lors des années précédentes.
Tipo: Journal Contribution
Palavras-chave: Nitrites; Chlorophylls; Ecosystems; Nitrates; Phosphates; Phytoplankton; Nitrites; Ecosystems; Nitrates; Phytoplankton; Chlorophylls; Phosphates; Http://aims.fao.org/aos/agrovoc/c_5190; Http://aims.fao.org/aos/agrovoc/c_2482; Http://aims.fao.org/aos/agrovoc/c_5187; Http://aims.fao.org/aos/agrovoc/c_13344; Http://aims.fao.org/aos/agrovoc/c_1577; Http://aims.fao.org/aos/agrovoc/c_35986.
Ano: 2001
URL: http://hdl.handle.net/1834/3701

Coastal and Marine Ecosystems-- Libyan Arab Jamahiriya
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/586

Coastal and Marine Ecosystems-- Mauritius
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/592

Hacia un manejo ecosistémico de pesquerías. Áreas marinas protegidas en Uruguay
Provedor de dados: 20
Autores: Defeo, O.; Horta, S.; Carranza, A.; Lercari, D.; de Álava, A.; Gómez, J.; Martínez, G.; Lozoya, J.P.; Celentano, E.
El análisis de largo plazo de las pesquerías costeras de Uruguay sugiere que el estado de  los principales recursos es preocupante. Esto puede deberse a múltiples causas (sobrepesca, polución, causas naturales), a lo cual se suman fallas en el diseño (e.g. información de base insuficiente) o en la implementación de las normativas vigentes (e.g. fiscalización), así como a la ausencia de un enfoque integrado. Este libro plantea estrategias para el desarrollo e implementación del Manejo Ecosistémico de Pesquerías (MEP) costeras de Uruguay. En este contexto, se hace especial énfasis en la identificación de Áreas Marinas Protegidas (AMPs) como herramientas de manejo pesquero y conservación de la biodiversidad de la costa uruguaya. Se recabó información de los...
Tipo: Book
Palavras-chave: M40; Ecosystems; Biodiversity; Coastal zone management; Coastal fisheries; Protected resources; Ecosystems; Biodiversity; Coastal fisheries; Http://aims.fao.org/aos/agrovoc/c_2482; Http://aims.fao.org/aos/agrovoc/c_33949; Http://aims.fao.org/aos/agrovoc/c_1696.
Ano: 2009
URL: http://hdl.handle.net/1834/3208

Coastal and Marine Ecosystems-- Somalia
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/597

Influencia del cultivo del camarón blanco (Litopenaeus schmitti) sobre los ecosistemas costeros
Provedor de dados: 20
Autores: Pérez Santos, I.E.; Arencibia Carballo, G.; Capetillo Piñar, N.; Isla Molleda, M.
In this work the result of the project “Determination of the environmental impact on aquaculture in the coastal zone" is presented. Where there were sampled more than 28 points. The water quality of the ecosystems is studied around the shrimp farms like coastal lagoons, rivers and the coastal area, where the shrimp farm get the water from, and at the same time the waste water of the process is spilled. The obtained values of the analisis in water and silts give a valuation of the environmental state of the area; revealing that the lagoon Las Playas is in a not well environmental state, (salinity of 47 ppt, DQO between 3,26 and 6,14 mg/L, N-NO3 700 - 900 µg/L, ammonium 36 - 148 µg/L and silicates between the 1600 and 3400 µg/L) and silts (carbon and...
Tipo: Journal Contribution
Palavras-chave: Water quality; Shrimp culture; Environmental impact; Ecosystems; Coastal zone; Water quality; Environmental impact; Ecosystems; Http://aims.fao.org/aos/agrovoc/c_16061; Http://aims.fao.org/aos/agrovoc/c_24420; Http://aims.fao.org/aos/agrovoc/c_2482.
Ano: 2003
URL: http://hdl.handle.net/1834/1884

Coastal and Marine Ecosystems-- Guinea
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/582

Coastal and Marine Ecosystems-- Namibia
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/595

Trends in the distribution of macroalgae in a bleached Kenyan reef ecosystem
Provedor de dados: 20
Autores: Ndirangu, S.; Uku, J.; Muthama, C.
In May 1999, two sites were selected within the Mombasa Marine Park and Reserve for the study of macroalgal succession due to bleaching. One of the sites was Starfish, which lies within the Mombasa Marine Park and is protected from fishing and the other site was Ras Iwatine, which lies in the Reserve area and is Subjected to fishing activities. The study revealed that the Starfish site had a significantly higher hard coral cover, which did not change over the study period. A comparison of the density of macroalgae revealed that a higher proportion of the substrate in Ras Iwatine was dominated by macroalgae. Settlement tiles, used to study algal recruitment, indicated that the succession process in the Starfish site passes through more stages compared to...
Tipo: Working Paper
Palavras-chave: Algal blooms; Coral reefs; Ecosystems.
Ano: 2002
URL: http://hdl.handle.net/1834/123

Caracterización ecológica de la salina artificial Pozos colorados, Caribe colombiano
Provedor de dados: 20
Autores: Mancera-P., J.E.
Un estudio ecológico de la salina marina Pozos Colorados se llevó a cabo entre enero y agosto de 1987. Si bien las dos estaciones de muestreo presentaron amplias diferencias entre si; en general la dinámica del ecosistema dependió aparentemente de la salinidad, la cual varió entre 75 y 341 °/oo; su incremento y la disminución del nivel de agua, al parecer generaron aumento de la temperatura y disminución del oxígeno disuelto, con rangos de 26,3 y 41 °C para la primera y O y 5,4 mg/l para el segundo. Aunque en promedio el pH fue neutro (7,5), este sistema reductor, caracterizado además por abundante materia orgánica, generó en ocasiones una ligera acidez (6,7). La producción primaria neta fue negativa en la mayoría de los casos, como resultado de una...
Tipo: Journal Contribution
Palavras-chave: Salinity effects; Ecosystems; Temperature effects; Primary production; Population structure; Ecology; Ecosystems; Primary production; Population structure; Ecology; Http://aims.fao.org/aos/agrovoc/c_2482; Http://aims.fao.org/aos/agrovoc/c_34329; Http://aims.fao.org/aos/agrovoc/c_6115; Http://aims.fao.org/aos/agrovoc/c_2467.
Ano: 1990
URL: http://hdl.handle.net/1834/3887

Nos écosystèmes marine et la gestion de leur ressources dans une optique écologique
Provedor de dados: 20
Autores: Ba, M.
Tipo: Journal Contribution
Palavras-chave: Ecosystems; Ecology.
Ano: 1980
URL: http://hdl.handle.net/1834/4990

Coastal And Marine Ecosystems-- Cameroon
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Journal Contribution
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/573

Pollution et écosystèmes marins en Mauritanie
Provedor de dados: 20
Autores: Ba, M.
Tipo: Journal Contribution
Palavras-chave: Marine pollution; Ecosystems.
Ano: 1982
URL: http://hdl.handle.net/1834/4673

Coastal and Marine Ecosystems-- Benin
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Journal Contribution
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/576

Etats des lieux nationaux - Projet CEPIA: dynamiques halieutiques et systèmes de gestion des pêches
Provedor de dados: 20
Autores: Projet CEPIA, Construire Ensemble une gestion des Pêches Intégrant les Amp, Dakar (Sénégal); Centre de Recherches Océanographiques de Dakar Thiaroye, Dakar (Sénégal); Djiga Thiaw; Moustapha Déme; Hamed Diaw Diadhiou; Adama Mbaye.
Commission Sous Régionale des Pêches
Tipo: Report
Palavras-chave: Fisheries management; Fishery legislation; Ecosystems; Demersal fisheries; Fishery policy; Protected areas.
Ano: 2011
URL: http://hdl.handle.net/1834/4585

Coastal and Marine Ecosystems-- Gambia
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Journal Contribution
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/580

Ecosystem structure and dynamics of the marine system of Sierra Leone for three time periods: 1964, 1978 and 1990
Provedor de dados: 20
Autores: Heymans, S.J.; Vakily, J.M.
We present the key feature of a quantitative food web model for the shelf and slope waters off Sierra Leone, constructed using the Ecopath with Ecosim software. Three periods are represented: 1964, based on data from the Guinean Trawling Survey, complemented with field data on lower trophic levels gathered in the late 1950/early 1960s and published by A.R. Longhurst; 1978, for which fish abundance data from an ex-USSR survey exist, along with related, scattered fisheries information; and 1990, for which a fair amount of fisheries data exist, along with the results of a Spanish trawl survey. Demersal fish biomass appears to have declined linearly from 1964 to 1990, due to the massive increase of the catches of distant water fleets operating in Sierra Leone,...
Tipo: Conference Material
Palavras-chave: Ecosystems; Marine structures.
Ano: 2002
URL: http://hdl.handle.net/1834/710

Coastal and Marine Ecosystems-- Gabon
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Journal Contribution
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/579

Coastal And Marine Ecosystems-- Comoros
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Journal Contribution
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/572

Use of environmental parameters to explain the variability in spawnerrecruitment
Provedor de dados: 20
Autores: Kirchner, C. H.; Bartholomae, C. H.; Kreiner, A.
This study attempts to explain the variability in recruitment of sardine in the northern Benguela and to develop potential models by including environmental information to predict recruitment. Two different recruitment and spawner number datasets were available: a VPA-developed dataset, for the period 1952–1987, and data from a simple age-structured model for 1992–2007. In all, four environmental indices were used: the degree of the intrusion of the warm Angola Current into northern Namibia, termed the Angola–Benguela front index; the extent of the upwelling area off central Namibia; average sea surface temperature (SST) over the northern and central Namibian shelf; and wind stress anomalies at Lüderitz as an indicator of upwelling strength. Contrary to...
Tipo: Journal Contribution
Palavras-chave: Currents (water); Upwelling; Sardine fisheries; Environments; Ecosystems; Anomalies; Biomass; Spawning; Recruitment.
Ano: 2009
URL: http://hdl.handle.net/1834/4671

Coastal and Marine Ecosystems-- Senegal
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/601

Coastal and Marine Ecosystems-- Egypt
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/610

Coastal and Marine Ecosystems-- Togo
Provedor de dados: 20
Food and Agriculture Organization of the United Nations (FAO),Center for International Earth Science Information Network (CIESIN), World Resources Institute, International Food Policy Research Institute, Global Maritime Boundaries Database (GMBD),World Conservation Monitoring Centre(WCMC),The International Society for Mangrove Ecosystems (ISME)
Tipo: Report
Palavras-chave: Ecosystems.
Ano: 2003
URL: http://hdl.handle.net/1834/607

Transfer of seston to zooplankton in marine ecosystems
Provedor de dados: 27
Autores: Tackx, M.
When considering zooplankton feeding as one of the pathways involved in the transfer of substances in marine ecosystems, it is important to study the composition and size distribution of the seston: firstly, the elements in which one is interested may be associated with different types and sizes of particles; secondly, particle size and composition are important factors in relation t o the feeding process of the zooplankton itself. High speed cinematographic studies have recently revealed that copepods use two different mechanisms for feeding. Small particles (&lt; 12 pm) are collected by continuous low amplitude movements of the second maxillae and combing of the appendages. Larger particles are detected and collected individually by means of a specific...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ecosystems; Seston; Zooplankton.
Ano: 1984
URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3273

Microbial diversity, metagenomics and the Yucatán aquifer
Provedor de dados: 85
Autores: Rojas-Herrera,R; Zamudio-Maya,M; Arena-Ortiz,L; Pless,RC; O'Connor-Sánchez,A.
Mexico counts among the five countries with the highest biodiversity in the world. In the Yucatán Peninsula, there are aquatic ecosystems with a very special microbial diversity. These ecosystems are essential for the ecological equilibrium of the region, and are seriously threatened by human activities. Access and knowledge of the microbial resources of these environments have an enormous scientific interest, and could potentially result in biotechnological products which could lead to more efficient and environmentally friendly processes; it could also offer a full arsenal of microorganisms and/or novel molecules to the local and world industry to face the current needs. In recent years, with the rise of metagenomic technology, knowledge about microbial...
Tipo: Info:eu-repo/semantics/report
Palavras-chave: Ecosystems; Biotechnology; 454-sequencing.
Ano: 2011
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-56572011000200017

Environmental water needs and impacts of irrigated agriculture in river basins:  A framework for a new research program
Provedor de dados: 31
Autores: Smakhtin,   Vladimir U.
Tipo: Working or Discussion Paper
Palavras-chave: Water resource management; Water conservation; Irrigated farming; River basins; Environmental effects; Ecosystems; Water requirements; Water allocation; Catchment areas; Lagoons; Wetlands; Environmental Economics and Policy; Farm Management; Resource /Energy Economics and Policy.
Ano: 2002
URL: http://purl.umn.edu/92695

Wetlands, agriculture and poverty reduction
Provedor de dados: 31
Autores: McCartney,   Matthew P.; Rebelo,   Lisa-Maria; Senaratna Sellamuttu,   Sonali; De Silva,   Sanjiv.
In many places, growing population, in conjunction with efforts to increase food security, is escalating pressure to expand agriculture within wetlands. The environmental impact of wetland agriculture can have profound social and economic repercussions for people dependent on ecosystem services other than those provided directly by agriculture. If wetlands are not used sustainably, the functions which support agriculture, as well as other food security and ecosystem services, are undermined. This report synthesizes findings from multidisciplinary studies conducted into sustainable wetland agriculture by IWMI and partners in Africa and Asia. It highlights the value of wetland agriculture for poverty reduction as well as the need for more systematic planning...
Tipo: Report
Palavras-chave: Wetlands; Agriculture; Productivity; Ecosystems; Poverty; Food security; Farm Management; Food Security and Poverty; Productivity Analysis.
Ano: 2010
URL: http://purl.umn.edu/113010

Rethinking agriculture in the Greater Mekong Subregion: how to sustainably meet food needs, enhance ecosystem services and cope with climate change
Provedor de dados: 31
Autores: Johnston,   Robyn M.; Hoanh,   Chu Thai; Lacombe,   Guillaume; Noble,   Andrew D.; Smakhtin,   Vladimir U.; Suhardiman,   Diana; Kam,   Suan Pheng; Choo,   Poh Sze.
Tipo: Report
Palavras-chave: Agricultural production; Rice; Fisheries; Livestock; Farming systems; Coastal area; Flood plains; Climate change; Environmental effects; Food production; Ecosystems; Water management; South East Asia; Greater Mekong Subregion; Agricultural and Food Policy; Agricultural Finance; Community/Rural/Urban Development; Consumer/Household Economics; Crop Production/Industries; Demand and Price Analysis; Environmental Economics and Policy; Farm Management; Financial Economics; Food Consumption/Nutrition/Food Safety; Land Economics/Use; Production Economics; Research and Development/Tech Change/Emerging Technologies.
Ano: 2010
URL: http://purl.umn.edu/91465

TRAJETORIA DO DESENVOLVIMENTO:REVISITANDO O PASSADO PARA REPENSAR O FUTURO
Provedor de dados: 31
Autores: Cazella,   Ademir Antonio; Goncalves,   Diogo Alvim; Cerdan,   Claire.
Este artigo tem como objetivo analisar em que medida os problemas da pobreza e da degradação ambiental da região de São Joaquim, em Santa Catarina, vêm sendo historicamente gerenciados pelos agentes de planejamento e gestão do desenvolvimento regional. Para tanto, recuperamos a trajetória do desenvolvimento desde a colonização até hoje. A partir desta trajetória, investigamos os recursos (naturais e humanos) mobilizados para impulsionar as estratégias de desenvolvimento adotadas ao longo do tempo. As reflexões sobre o histórico e cenário atual da região levaram à conclusão de que os problemas destacados não representam uma prioridade nas agendas de planejamento do desenvolvimento regional. As conseqüências socioambientais do desenvolvimento regional são...
Tipo: Conference Paper or Presentation
Palavras-chave: Desenvolvimento; Gestão; Ecossistemas; Socioambiental; Development; Management; Ecosystems; Nature-society; Food Security and Poverty; International Development.
Ano: 2008
URL: http://purl.umn.edu/109800

The lower Krishna Basin trajectory: relationships between basin development and downstream environmental degradation
Provedor de dados: 31
Autores: Venot,   Jean-Philippe; Sharma,   Bharat R.; Rao,   Kamineni V.G.K.
Basin water development and rural dynamics in the Krishna Basin have led to a degradation of downstream ecosystems manifesting itself by salinizing soil and groundwater, increasing pollution, disappearing mangroves and desiccating wetlands. Reversing this evolution requires the formal recognition of the environment as a water user in its own right and the implementation of an environmental water provision. This provision should be based on a two-tier allocation system with assured discharges in the irrigation canals of the delta and to the ocean. This will lead to further commitment of water resources but this is needed to reconcile the social, economic and environmental objectives of a sustainable development. Other measures facilitating integrated...
Tipo: Report
Palavras-chave: River basin development; Lakes; Environmental degradation; Ecosystems; Mangroves; Water allocation; Groundwater; Water quality; Salinity; Irrigated farming; Institutions; Irrigation canals; Rural development; Agribusiness; Crop Production/Industries; Environmental Economics and Policy; Land Economics/Use; Risk and Uncertainty.
Ano: 2008
URL: http://purl.umn.edu/44515

Institutional settings and livelihood strategies in the Blue Nile Basin: Implications for upstream/downstream linkages
Provedor de dados: 31
Autores: Haileslassie,   Amare; Hagos,   Fitsum; Mapedza,   Everisto; Sadoff,   Claudia W.; Awulachew,   Seleshi Bekele; Gebreselassie,   Solomon; Peden,   Don.
Through rapid assessment of existing literature and review of policy and other official documents, the report synthesizes the existing knowledge and gaps on policies and institutions and identifies key research issues that need in-depth study. The report provides an overview of the range of key livelihoods and production systems in the Blue Nile Basin (BNB) and highlights their relative dependence on, and vulnerability to, water resources and water-related ecosystem services. It also makes an inventory of current water and land related policies and institutions in the BNB, their organizational arrangements, dynamics and linkages and key policy premises. It highlights the major problems in institutional arrangements and policy gaps and makes suggestions for...
Tipo: Working or Discussion Paper
Palavras-chave: River basins; Water policy; Institutions; Institutional development; Farming systems; Mixed farming; Cereals; Sorghum; Irrigated farming; Vegetables; Pastoralism; Poverty; Water supply; Sanitation; Labor; Ecosystems; Energy; Water power; Watershed management; Water harvesting; Legal aspects; Environmental policy; Water users associations; Irrigation programs; Agricultural and Food Policy; Agricultural Finance; Crop Production/Industries; Environmental Economics and Policy; Farm Management; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/91871

Environmental and social values of river water: examples from the Menik Ganga, Sri Lanka.
Provedor de dados: 31
Autores: Dissanayake,   Priyanka; Smakhtin,   Vladimir U.
Many decisions on water allocation in river basins are made on economic grounds. Environmental and social benefits of water should also be considered in river basin management, and attempts should be made to value them similarly. This is not a straightforward task and very few studies have directly addressed this issue to date. In this paper, the Menik Ganga (River) in southern Sri Lanka is used as a case study to attempt and evaluate the costs and benefits of environmental water allocations, referred to as ‘environmental flows’ (EF). In this study, a broad definition of EF is used: the components of EF evaluated include the requirements of the religious festival, the requirements of the Yala National Park, the requirements of the Pilinnawa Coastal Wetland...
Tipo: Working or Discussion Paper
Palavras-chave: Rivers; Ecosystems; Wetlands; Wildlife; Fisheries; Water allocation; Water requirements; Case studies; Economic evaluation; Environmental Economics and Policy; Research and Development/Tech Change/Emerging Technologies; Resource /Energy Economics and Policy.
Ano: 2007
URL: http://purl.umn.edu/91876

On the Optimal Taxation of Common-Pool Resources
Provedor de dados: 31
Autores: Kossioris,   Georgios; Plexousakis,   Michael; Xepapadeas,   Anastasios; Fe Zeeuw,   Aart.
Recent research developments in common-pool resource models emphasize the importance of links with ecological systems and the presence of non-linearities, thresholds and multiple steady states. In a recent paper Kossioris et al. (2008) develop a methodology for deriving feedback Nash equilibria for non-linear differential games and apply this methodology to a common-pool resource model of a lake where pollution corresponds to benefits and at the same time affects the ecosystem services. This paper studies the structure of optimal state- dependent taxes that steer the combined economic-ecological system towards the trajectory of optimal management, and provides an algorithm for calculating such taxes.
Tipo: Working or Discussion Paper
Palavras-chave: Differential Games; Non-linear Feedback Nash Equilibria; Ecosystems; Optimal State-dependent Tax; Environmental Economics and Policy; Q25; C73; C61.
Ano: 2010
URL: http://purl.umn.edu/94619

Aerial biomass allometric models for Prosopis affinis Spreng. in native Espinal forests of Argentina
Provedor de dados: 91
Autores: Sione,Silvana M. J.; Andrade-Castañeda,Hernán J.; Ledesma,Silvia G.; Rosenberger,Leandro J.; Oszust,José D.; Wilson,Marcelo G.
ABSTRACT Estimation of carbon stored in forest ecosystems requires accurate biomass prediction tools. The objective of this study was to determine the individual aerial biomass of Prosopis affinis and its distribution by component, to develop allometric models for the estimation of biomass and to estimate biomass expansion factors (BEF) in native forests of Entre Ríos (Argentina). Dendrometric variables on 30 individuals of different diameter classes were measured. Values of total aerial biomass and component biomass (trunk, branches larger than 5 cm in diameter and branches smaller than 5 cm + leaves, flowers and fruits) were determined using the destructive method. Different models were developed, and the best models were selected according to the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carbon reservoir; Ecosystems; Fabaceae.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662019000600467

Epigean ant communities in Atlantic Forest remnants of São Paulo: a comparative study using the guild concept
Provedor de dados: 92
Autores: Macedo,Luciano Pacelli Medeiros; Berti Filho,Evoneo; Delabie,Jacques Hubert Charles.
Epigean ant communities in Atlantic Forest remnants of São Paulo: a comparative study using the guild concept. The guilds constitute a valuable ecological tool, because they allow conducting comparisons among environments under different conditions. The ants can be used as ecological indicators, mainly for the monitoring of degraded forest areas. The aim of this research was to study guild organization among the epigeous Formicidae living in Atlantic forest remnants of the State of São Paulo, Brazil. Ant collections were performed in three distinct Atlantic forest biome areas: arboreal littoral vegetation ("restinga") (Cananéia), semideciduous seasonal forest (Piracicaba) and dense ombrophylousforest (Pariquera-Açu). After identification, the ants were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ecological bioindicators; Ecosystems; Environmental monitoring; Formicidae; Hymenoptera.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262011000100012

Utility of basic research in plant/crop physiology in relation to crop improvement: a review and a personal account
Provedor de dados: 61
Autores: El-Sharkawy,Mabrouk A.
Agricultural research and development plays an essential role in a nation's economic development, providing for food security for an ever-increasing population. In developed countries, the gap between potential and actual yield is largely closed because of a combination of advanced technologies, high-yielding new varieties and the application of agrochemicals in highly mechanized production systems. In most of these countries, agricultural production exceeds national demand, resulting in excess products for export. In many of the developing countries, however, agricultural productivity is still far below what it should be because of multiple technical and socio-economic constraints. Food deficits are the norm in poor and middle-income countries, requiring...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Agriculture; Breeding; C4-photosynthesis; Drought-tolerance; Ecophysiology; Ecosystems; Hormones; Photoperiod; Productivity; Soil; Water stress.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202006000400001