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Registros recuperados: 152
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A comprehensive assessment of agriculture in lowlands of south Brazil: characterization and comparison of current and alternative concepts. Repositório Alice
THEISEN, G..
bitstream/item/190190/1/Thesis-Giovani-Theisen-LowlandsBrazil.pdf
Tipo: Tese/dissertação (ALICE) Palavras-chave: Cropping system; Indicator; Intensification; Management; Sustainability; Wetlands.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1103532
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A River Story: Waters in the Godineau Swamp OceanDocs
Tipo: Other Palavras-chave: Swamps; Fish; Aquatic environment; Rivers; Wetlands; Swamps; Fish; Rivers; Wetlands; Aquatic environment; Http://aims.fao.org/aos/agrovoc/c_7544; Http://aims.fao.org/aos/agrovoc/c_15903; Http://aims.fao.org/aos/agrovoc/c_6617; Http://aims.fao.org/aos/agrovoc/c_8371; Http://aims.fao.org/aos/agrovoc/c_554.
Ano: 2003 URL: http://hdl.handle.net/1834/2916
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Adaptive wetland management in an uncertain and changing arid environment Ecology and Society
Downard, Rebekah; Utah State University; rdownard8@gmail.com; Endter-Wada, Joanna; Utah State University; joanna.endter-wada@usu.edu; Kettenring, Karin M.; Utah State University; karin.kettenring@usu.edu.
Wetlands in the arid western United States provide rare and critical migratory bird habitat and constitute a critical nexus within larger social-ecological systems (SES) where multiple changing land-use and water-use patterns meet. The Bear River Migratory Bird Refuge in Utah, USA, presents a case study of the ways that wetland managers have created adaptive management strategies that are responsive to the social and hydrological conditions of the agriculture-dominated SES within which they are located. Managers have acquired water rights and constructed infrastructure while cultivating collaborative relationships with other water users to increase the adaptive capacity of the region and decrease conflict. Historically, water management involved diversion...
Tipo: Peer-Reviewed Reports Palavras-chave: Adaptive management; Collaboration; Great Salt Lake Utah; Social-ecological systems; Water policy; Wetlands.
Ano: 2014
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Agricultural Resources and Environmental Indicators, 2006 Edition AgEcon
Wiebe, Keith D.; Gollehon, Noel R..
This is a large file. We have had reports of problems opening the file in Mozilla Firefox. If you have problems, try using Windows Internet Explorer.
Tipo: Report Palavras-chave: ERS; AREI; Agricultural economics; Natural resources; Land; Land use; Land values; Land ownership; Water use; Irrigation; Water quality; Genetic resources; Biotechnology; Agricultural research; Agricultural productivity; Global resources; Soil conservation; Soil erosion; Pest management; Nutrient management; Animal agriculture; Organic agriculture; Conventional agriculture; Conservation policy; Land retirement; Working lands; Wetlands; Farmland protection; Environmental quality; Farm structure; Farm ownership; Farm management decisions; Farm business; Environmental Economics and Policy; Resource /Energy Economics and Policy.
Ano: 2006 URL: http://purl.umn.edu/7207
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Agricultural water management in a water stressed catchment: lessons from the RIPARWIN project AgEcon
McCartney, Matthew P.; Lankford, Bruce A.; Mahoo, Henry F..
With contributions from Julien Cour, Reuben Kadigi, Japhet Kashaigili, Magayane Machibya, Abraham Mehari, Sylvie Morardet, Kossa Rajabu, Charles Sokile, Siza Tumbo, Barbara van Koppen, Thalia Vounaki and Daniel Yawson
Tipo: Report Palavras-chave: River basin management; Water stress; Irrigation programs; Irrigation management; Irrigation efficiency; Water use; Water allocation; Wetlands; Water rights; Water law; Economic aspects; Water rates; User charges; Water users associations; Decision support tools; Crop Production/Industries; Environmental Economics and Policy; Farm Management; Land Economics/Use; Productivity Analysis; Resource /Energy Economics and Policy.
Ano: 2007 URL: http://purl.umn.edu/37668
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An overview and scope of Tanzanian wetlands OceanDocs
Kamukala, G .L..
Tanzania is very rich in wetland resources which include the Great Lake systems, major rivernetworks and deltaic mangroves. The major lakes and floodplains have long provided afertile resource base as they include alluvial plains of great agricultural potential. Wetlands in Tanzania support an extensive trading and transport system, fishing grounds,agro-pastoral activities, hydrological processes and, more recently, the harnessing of the riverflows for irrigation and hydroelectric power.
Tipo: Working Paper Palavras-chave: Wetlands.
Ano: 1993 URL: http://hdl.handle.net/1834/521
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An Overview of African Wetlands OceanDocs
Kabii, T..
The African region as described in this overview includes the mainland continent and the island states of Cape Verde, Comoros, Madagascar, Mauritius, Sao Tome & Principe, and Seychelles, making up a total of 53 States, 23 of which are Contracting Parties to the Ramsar Convention. Africa's size and diversity of landscape are striking: bordered by the Mediterranean Sea to the north, the Indian and Atlantic oceans to the east and west respectively, and the Antarctic in the south, it covers 70º of latitude, several climatic zones, and a considerable altitudinal range. Various wetland types characterize the diverse and panoramic African environment, from mountains reaching an altitude of 6,000m through deserts to coastal zones at sea level. Although...
Tipo: Working Paper Palavras-chave: Wetlands.
Ano: 1996 URL: http://hdl.handle.net/1834/457
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Anuran amphibians' diversity in a northwestern area of the Brazilian Pantanal Biota Neotropica
Pansonato,André; Mott,Tamí; Strüssmann,Christine.
In the Pantanal, the largest continuous floodplain in the world, the diversity and distribution of anuran amphibians vary in and across distinct subregions and distinct habitats occurring along inundation gradients. Permanent and natural aquatic habitats are relatively scarce in the Pantanal, and occurrence of temporary aquatic habitats varies seasonally, depending on rains. We here present results of evaluations of anuran's species richness and abundance in a seasonally flooded area in the northwestern section of the Pantanal (Fazenda Baía de Pedra, Cáceres municipality, state of Mato Grosso, Brazil), comparing values obtained in 10 plots systematically distributed over 5 km² with those obtained in additional aquatic plots in the study area. Data were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anura; Species rarefaction curve; Wetlands; Temporary ponds; Permanent ponds.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032011000400008
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Aportes al conocimiento de la distribución del ciurvo de los pantanos (Blastocerus dichotomus) en la provincia de Corrientes, Argentina Mastozool. neotrop.
Cano,Paula D; Cardozo,Horacio G; Ball,Héctor A; D'Alessio,Santiago; Herrera,Pablo; Lartigau,Bernardo.
El ciervo de los pantanos (Blastocerus dichotomus) está categorizado Vulnerable a nivel mundial y En Peligro en Argentina. Estudiamos la distribución de la especie en la provincia de Corrientes (Argentina), utilizando el método de entrevistas a informantes claves. Sobre una imagen satelital del área de estudio trazamos un grillado de cuadrículas de 30 x 30 km, luego cada cuadrícula fue dividida en 4 subcuadrículas de 15 x 15 km. Se realizó al menos una entrevista por subcuadrícula. Se totalizaron 148 entrevistas, relevándose 45 cuadrículas. En 27 cuadrículas se obtuvo al menos una entrevista positiva. En base a esta información se elaboró un mapa de distribución de la especie. Encontramos que la especie se distribuye en aproximadamente el 27.55% de la...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Blastocerus dichotomus; Cervidae; Conservación; Entrevistas; Humedales; Blastocerus dichotomus; Cervidae; Conservation; Interviews; Wetlands.
Ano: 2012 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-93832012000100004
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Arthropods and helminths assemblage in sigmodontine rodents from wetlands of the Río de la Plata, Argentina Mastozool. neotrop.
Navone,Graciela T.; Notarnicola,Juliana; Nava,Santiago; Robles,M. del Rosario; Galliari,Carlos; Lareschi,Marcela.
The assemblage of arthropods and helminths, present in sigmodontine rodents (Cricetidae) from a broad wetland area of the Río de la Plata, Argentina, was studied. A total of 250 sigmodontines were captured during a two-year sampling period: Scapteromys aquaticus and Oxymycterus rufus were the most abundant hosts, followed by Oligoryzomys nigripes, Akodon azarae, Oligoryzomys flavescens, and Deltamys kempi. There were 33102 parasites collected, corresponding with Rhopalopsyllidae fleas (Siphonaptera), Hoplopleuridae lice (Phtiraptera), Laelapidae and Macronyssidae mites, Ixodidae ticks, and Trombiculidae chiggers (Acari), the trematodes Echinostomidae, Microphallidae, and Dicrocoelidae, the flatworm Ciclophyllidea, the nematods Trichuridae, Spiruridae,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ectoparasites; Endoparasites; Río de La Plata; Rodents; Wetlands.
Ano: 2009 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-93832009000100011
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Ask a Hypothetical Question, Get a Valuable Answer? AgEcon
Azevedo, Christopher D.; Herriges, Joseph A.; Kling, Catherine L..
This paper models the recreation demand for Iowa wetlands, combining survey data on both actual usage patterns (i.e., revealed preferences) and anticipated changes to those patterns under hypothetical increases in trip costs (i.e., stated preferences). We formulate and test specific hypotheses concerning potential sources of bias in each data type. We consistently reject consistency between the two data sources, both in terms of implied wetland values and underlying preference parameters. Careful attention is paid to the interpretations of the test results, noting particularly how the interpretation of the same results can vary with the "school of thought" of the reader.
Tipo: Working or Discussion Paper Palavras-chave: Revealed preference; Stated preference; Recreation; Wetlands; Research Methods/ Statistical Methods.
Ano: 2000 URL: http://purl.umn.edu/18418
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Assemblage of drosophilids (Diptera, Drosophilidae) inhabiting flooded and nonflooded areas in the extreme South of Brazil Rev. Bras. entomol.
Duarte,L.B.; Gottschalk,M.S.; Robe,L.J..
ABSTRACT Several studies on the potential use of drosophilid assemblages as bioindicator systems have been carried out in the last years. Nevertheless, the successful application of these organisms in these systems requires adequate filling of several knowledge gaps. In this sense, little is known about drosophilid assemblages in wetlands and flooded areas. The present study provides the first survey of drosophilid species inhabiting such environments in the extreme South of Brazil and compares general beta-diversity patterns between assemblages of flooded versus nonflooded areas. The specimens were collected with banana-baited traps, and the assemblages recovered in eight wetlands of the southernmost coast of Brazil were compared to those recovered from...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Beta-diversity; Bioindicator species; Gamma-diversity; Swamps; Wetlands.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262018000100029
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Assessment of constructed wetlands efficiency on water quality for tilapia culture. Repositório Alice
SILVA, M. S. G. M. e; ROSTON, D. M.; LOSEKANN, M. E.; ALBINO, T..
2011
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Tilapia; Tilapia (common name); Wetlands; Water quality.
Ano: 2011 URL: http://www.alice.cnptia.embrapa.br/handle/doc/919623
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Avaliação de fusão de imagens CBERS/2B no mapeamento de áreas úmidas do Distrito Federal (2009). Infoteca-e
FRANÇA, A. M. S.; SANO, E. E.; SOUSA, A. de O..
2009
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E) Palavras-chave: Sensoriamento remoto; Mapping; Wetlands; Remote sensing; Federal District; Brazi.
Ano: 2009 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/736983
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Aves acuáticas en el humedal urbano de Tres Puentes, Punta Arenas (53° S), Chile austral OceanDocs
Cárcamo, Jaime; Kusch, Alejandro; Gómez, Humberto.
Los humedales urbanos son sitios de alta biodiversidad pero que pueden estar bajo presión antrópica si no son bien manejados. En la ciudad de Punta Arenas (53°S), el humedal de Tres Puentes posee características únicas para conformar un sitio con todos los componentes de conservación (educación, investigación, desarrollo sostenible). Se reporta su composición y abundancia en especies de aves acuáticas durante 6 temporadas estivales. Se registraron 31 especies lo que corresponde al 50 % de las aves acuáticas continentales de la región de Magallanes. Se discute la variabilidad interanual y los posibles impactos producidos por el hombre.
Tipo: Journal Contribution Palavras-chave: Aquatic birds; Wetlands; Conservation; Waterbirds; Http://aims.fao.org/aos/agrovoc/c_36198.
Ano: 2008 URL: http://hdl.handle.net/1834/4175
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Aves de la parte baja del Río Sinú, Caribe colombiano; inventario y ampliaciones de distribución OceanDocs
Estela, F.A.; López-Victoria, M..
Knowledge of the geographical distribution of the birds in the Colombian Caribbean is still meager. Coastal wetlands are among the less studied environments in the area and one of the most important for their high bird richness. Since 1998, inventories and monitoring of the bird populations of the lower part of the Sinú river have been made. Until July 2005, 296 bird species have been recorded for the area, 41 of which are new for this part of the Caribbean; in addition, new wintering localities were noted for eight migratory species. Breeding records were obtained for 98 species. Three species are threatened at some level and six have a restricted geographic distribution. New records for the area are explained in terms of the limited previous knowledge of...
Tipo: Journal Contribution Palavras-chave: Wetlands; Geographical distribution; Migratory species; Identification keys; Wetlands; Geographical distribution; Http://aims.fao.org/aos/agrovoc/c_8371; Http://aims.fao.org/aos/agrovoc/c_5083.
Ano: 2005 URL: http://hdl.handle.net/1834/1989
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Biodiversidad vegetal acuática de los humedales del río Chepu (Chiloé, Región de Los Lagos, Chile) OceanDocs
González López, C.A..
Se estudió la biodiversidad vegetal acuática y palustre de la Laguna Coluco que forma parte de los Humedales del río Chepu (Chiloé, Chile). La hoya hidrográfica del río Chepu comprende la laguna Coluco y los tributarios de la cuenca: ríos Huentru, Negro, Puntra, Grande, Coluco, abarcando aproximadamente 100 km^2. Los muestreos de terreno se realizaron con la metodología fitosociológica de la Escuela Zürich – Montpellier. Con los censos de vegetación levantados a lo largo del transecto, se confeccionó una tabla fitosociológica inicial con 120 censos y 88 especies vegetales. Esta tabla fue ordenada con los métodos tradicionales, lográndose determinar las 16 asociaciones siguientes: Myriophylletum aquaticum, Potametum pectinatii, Juncetum bulbosii, Potametum...
Tipo: Theses and Dissertations Palavras-chave: Biodiversity; Community composition; Wetlands; Vegetation cover; Aquatic plants.
Ano: 2005 URL: http://hdl.handle.net/1834/4916
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Biodiversity and sustainable management of a tropical wetland lake ecosystem: A case study of Lake Kanyaboli, Kenya OceanDocs
Rasowo, J.O.; Abila, R.; Manyala, J..
Lake Kanyaboli and the surrounding Yala swamp wetland has been recognized as an important biodiversity hotspot. Recent population genetic and phylogenetic studies confirm the evolutionary importance of Lake Kanyaboli (Kenya) in preserving the cichlid fish fauna of Lake Victoria. The adjoining Yala swamp harbours the endangered swamp antelope Sitatunga (Tragecephalus spekii) and several papyrus endemic birds. The lake and adjoining swamp play a critical role in the livelihood of the local communities who heavily depend on the wetland resources. Current ongoing large scale land use changes within the swamp threaten the ecological integrity and functioning of this highly dynamic wetland ecosystem. It is therefore imperative that proper management and...
Tipo: Proceedings Paper Palavras-chave: Wetlands; Biodiversity; Resource conservation; Inland waters; Ecosystem management; Ecological crisis; Tropical environment; Population genetics; Phylogenetics; Lake fisheries; Freshwater fish; Aquatic birds; Land use.
Ano: 2006 URL: http://hdl.handle.net/1834/2126
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Biodiversity offset markets: What are they really? An empirical approach to wetland mitigation banking ArchiMer
Vaissiere, Anne-charlotte; Levrel, Harold.
Tipo: Text Palavras-chave: Biodiversity offset; Market; Hybrid form; Mitigation banking; Wetlands.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00248/35884/34682.pdf
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Biologia reprodutiva de iguana no Rio Paraguai, Pantanal, Brasil. Infoteca-e
CAMPOS, Z. M. da S..
A Iguana iguana tem uma grande área de distribuição geográfica, desde o sul do México até o sul da Argentina. Em alguns países, como a Venezuela, Panamá, Nicarágua e a Guatemala as iguanas têm um papel no desenvolvimento socioeconômico das comunidades rurais, no aproveitamento do couro, carne e ovos (Divers 1995). No Brasil, a espécie é conhecida como sinimbu ou camaleão, e tem distribuição na região Amazônica, parte da região Centro-Oeste, Pantanal, e na Caatinga (Avila-Pires 1995). A espécie não sofre pressão de caça intensa, principalmente pela falta de tradição como alternativa alimentícia pelas comunidades rurais. No entanto, existem relatos de consumo de ovos por algumas comunidades ribeirinhas da Amazônia. Por outro lado, certas populações...
Tipo: Comunicado Técnico (INFOTECA-E) Palavras-chave: Iguana; Biologia reprodutiva; Densidade; Fauna; Rio Paraguai; Pantanal; Brasil; Reproductive biology; Paraguay river; Wetlands; Brazil.
Ano: 2003 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/811019
Registros recuperados: 152
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