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| Registros recuperados: 48 | |
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| Betanzos, A.; Arencibia, G.; Nodar, R.. |
| Con el objetivo de determinar la factibilidad de reactivar la ostricultura al Norte de Villa Clara, Cuba, se realizaron dos cruceros de investigación en febrero y mayo de 2006, meses de seca y lluvia respectivamente. La temperatura del agua presentó valores entre 24,8 y 28,8˚ C; la salinidad mostró valores extremos entre 37 y 39,5; el oxígeno disuelto entre 4,62 y 6,34 mg/L; la transparencia del agua de 45 a 90%; la demanda química de oxígeno presentó extremos entre 1.48 y 3.84 mg/L, y el pH entre 7,98 y 8,28. El fitoplancton presentó variaciones espaciales entre las concentraciones de células de 0,2 a 0,9 x 106 cel/L, siendo las diatomeas el grupo más representativo; el género que mayor abundancia presentó fue Pseudonitzschia sp. A partir de... |
| Tipo: Journal Contribution |
Palavras-chave: Marine environment; Environments; Aquaculture. |
| Ano: 2009 |
URL: http://hdl.handle.net/1834/5245 |
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| Harrington, Larry; International Maize and Wheat Improvement Center (CIMMYT); l.harrington@cgiar.org; White, Jeffrey; ; j.white@cgiar.org; Grace, Peter; Sinclair Knight Merz, Brisbane, Australia; pgrace@skm.com.au; Hodson, David; ; d.hodson@cgiar.org; Hartkamp, Agnes Dewi; Product Organisation Grains, Seeds and Pulses, The Hague, Netherlands; d.hartkamp@wisint.org; Vaughan, Christopher; CO MET Directorate of Environmental Affairs, Namibia; kit@africaonline.com.na; Meisner, Craig; ; cmeisner@bttb.net.bd. |
| To help integrated natural resource management (INRM) research "deliver the goods" for many of the world's poor over a large area and in a timely manner, the authors suggest a problem-solving approach that facilitates the scaling out of relevant agricultural practices. They propose seven ways to foster scaling out: (1) develop more attractive practices and technologies through participatory research (2) balance supply-driven approaches with resource user demands, (3) use feedback to redefine the research agenda, (4) encourage support groups and networks for information sharing, (5) facilitate negotiation among stakeholders, (6) inform policy change and institutional development, and (7) make sensible use of information management tools, including models... |
| Tipo: Peer-Reviewed Reports |
Palavras-chave: Mexico; South Asia; Southern Africa; Conservation tillage; Diffusion of research; Environments; Geographic information systems; Natural resource management; Participatory research; Scaling out; Simulation models; Technology transfer. |
| Ano: 2001 |
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| Chami, F.. |
| Tanzanian researchers of the on-going SAREC/Sida-sponsored project on Human Responses and Contribution to Environmental Change (HRAC) have focused their research on a narrow strip of the central coast of Tanzania. The area under investigation is specifically between Kisiju to the north and the Rufiji Delta to the south. Survey work was also extended to the off-shore islands including Kwale, Koma and Mafia. The preliminary intention was to look for sites that could provide light to the whole question of environmental change and its human contribution. |
| Tipo: Journal Contribution |
Palavras-chave: Environments; Life history. |
| Ano: 1998 |
URL: http://hdl.handle.net/1834/278 |
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| RIBEIRO, J. F.; OLIVEIRA, M. C. de; SANTOS, J. C. G. dos; SILVA, M. R. da; HAYES, K. M.; BARROS, C. J. da S.; MARTINS, R. C.; ALMEIDA, S. P. de; AQUINO, F. de G.; MOREIRA, K. L.; ROCHA, F. E. de C.. |
| bitstream/CPAC-2009/27666/1/p2006_06.pdf |
| Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E) |
Palavras-chave: Environments; Nature conservation.; Cerrado; Educação; Ecologia; Meio Ambiente; Preservação da Natureza.; Ecology; Education.. |
| Ano: 2006 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/570144 |
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| DEDECEK, R. A.. |
| Uma agricultura intensiva e permanente depende muito do equilibrio entre perdas e ganhos de nutrientes. Os ganhos sao representados pela adubacoes quimicas e organicas e incorporacao da resteva, e as perdas, pelo cultivos, lixiviacao, volatilizacao e erosao. A erosao nao e seletiva quimicamente, nao produzindo concentracoes diversificadas de nutrientes entre o sedimento e o solo que o formou (tabela 1). A selecao ocorre no maior arraste da materia organica e das particulas mais finas do solo, que sao as armazenadoras dos nutrientes. Os menores teores de nutrientes no tratamento solo descoberto devem-se ao fato de que este recebeu apenas adubacao corretiva de P e K, alem da calagem, em 1977, tendo sido mantido sem vegetacao desde entao e preparado todos... |
| Tipo: Circular Técnica (INFOTECA-E) |
Palavras-chave: Erosion; Environments; Centro de Pesquisa Agropecuaria dos Cerrados; Brasil; Conservation; Prática de conservação.; Conservação; Cerrado; Erosão; Manejo do Solo; Meio Ambiente; Solo.; Brazil; Soil management.; Savannas; Soil. |
| Ano: 1986 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/546925 |
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| Coller, M.; Osovnikar, P.; Narvarte, M.; Perier, R.; González, R.A.; Di Giácomo, E.; Morsan, E.M.; Braicovich, P.; Curtolo, L.; Ocampo, M.. |
| Se realiza una sinopsis del estado de situación de los recursos pesqueros del Golfo San Matías, de sus pesquerías y especies asociadas a las mismas y del ecosistema marino. El objetivo de este informe es presentar información histórica y actualizada sobre los recursos pesqueros y las pesquerías marinas de Río Negro, a los fines de su empleo como guía de análisis para la evaluación de las mismas con vistas a la potencial certificación de una gestión sustentable de las mismas a partir de los estándares del Marine Stewardship Council (MSC). Se presenta información sobre la organización y estructura del sector institucional y del marco legal en el que se desarrolla la actividad. Se desarrolla una caracterización de las pesquerías a partir de diferentes... |
| Tipo: Report |
Palavras-chave: Fishery resources; Fishery management; Clam fisheries; Coastal fisheries; Biodiversity; Environments; Associated species; Yield; Potential yield; Fishery regulations; Certification; Standards; Sustainability; Fishing fleet; Fishery management; Certification; Fishery resources; Coastal fisheries; Biodiversity; Sustainability. |
| Ano: 2004 |
URL: http://hdl.handle.net/1834/3719 |
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| Gualancañay, E.. |
| During the rainy season of the ecuadorian coast (march 2012) in the study area including two environmental: Marine area and estuarine area. Were identified in Caraquez Bay the following species of benthic foraminifera: Bulimina pulchella, Cibicidea aknerianus, C. bertheloti, F. boueana, Elphidium articulatum, F. typical, Nonion pizarrense, Quinqueloculina lamarckiana, Rotalia beccarii, Triloculina globulosa, y Uvigerina incilis. These species correspond to the Pananmian zoogeographic province proposed by Boltovskoy (1965) and confirmed by Boltovskoy and Gualancañay (1975, 1986). |
| Tipo: Journal Contribution |
Palavras-chave: Foraminifera; Biogeography; Rain; Seasons; Environments. |
| Ano: 2013 |
URL: http://hdl.handle.net/1834/5753 |
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| OLIVEIRA FILHO, E. C.; AQUINO, F. de G.; SOUSA, E. dos S. de; PARRON, L. M.. |
| ABSTRACT: The Brazilian Agricultural Research Corporation (Embrapa), since 2004, has been stimulating its Decentralized Units to implement the internal process of environmental management. In Embrapa Cerrados this process is in course since 2006, with approval of the Project Environmental Management in Embrapa Cerrados: A Proposition to Implementation of Corporative Processes in the Unit. According with the scope of the action plan in environmental education, the aim of this guide is to integrate and to institutionalize the main terms and acronyms used in the execution and in the development of the project, elucidating and providing information for all employee and collaborator, seeking more participation and involvement in the process of environmental... |
| Tipo: Documentos (INFOTECA-E) |
Palavras-chave: Environments; Legislation; Residues.; Educação Ambiental; Legislação; Meio Ambiente; Resíduo.; Environmental education.. |
| Ano: 2007 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/570883 |
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| Registros recuperados: 48 | |
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