997 resultados para Bacias hidrograficas - Paranapanema, Pontal do (SP)


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Pós-graduação em Geografia - IGCE

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Pós-graduação em Agronomia (Energia na Agricultura) - FCA

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Pós-graduação em Agronomia (Energia na Agricultura) - FCA

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Pós-graduação em Geociências e Meio Ambiente - IGCE

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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The present study is about data characterization and evaluation related to private urban users (legal entity) of the Watersheds of the rivers Piracicaba, Capivari, and Jundiai (PCJ), with the PCJ Collection System, sustained by the Department of Water and Power (DAEE), in order to: provide quantitative numbers about this sector, identifying the cities and economic activities corresponding to the largest water consumers, and determine the sector's share in the total charged contribution. The charge for water use is the most recent and the last instrument which has been implemented for the management of water resources, provided by the institution of the State and National Policy of Water Resources in 1991 and 1997, respectively, regarded as an important step towards the preservation and restoration of water resources. According to the data collected in the PCJ Collection System, the urban sector is the private sector that has the highest number of users in these watersheds (52,95% of users), but with less representation in the financial recovery (only 7%), due to its low water demand in their uses compared to the uses of other sectors. The collected data will also serve as both a parameter for comparing the amount of water used by different economic activities and municipalities in the PCJ watersheds and other locations, and as a tool for water resources management

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Esta monografia esta relacionado à pesquisa de iniciação científica inserida no Grupo de Pesquisa em Gestão Ambiental e Dinâmica Socioespacial (GADIS), da Faculdade de Ciências e Tecnologia, UNESP, campus de Presidente Prudente, e vincula-se a projetos mais amplos desenvolvidos com apoio da FAPESP, do CNPq e FEHIDRO. De modo geral, este trabalho possui o objetivo de contribuir para o planejamento ambiental da bacia do Balneário da Amizade, como também para o gerenciamento de seus recursos hídricos, aprofundando conhecimentos teórico-metodológicos sobre o tema. Os procedimentos metodológicos seguem a proposta de Rodriguez (1994) adaptada por Leal (1995), na qual incluem etapas de elaboração do Inventário, Diagnóstico Ambiental, Prognóstico e Propostas, de modo a identificar as características de uso e ocupação da bacia do Balneário da Amizade, mapear seus principais problemas ambientais e elaborar propostas visando sua recuperação ambiental e a preservação de seus recursos hídricos, além de analisar políticas públicas direcionadas para a bacia. A importância desta pesquisa se inicia com a escolha da área de estudo, já que a mesma é uma importante bacia hidrográfica para os municípios de Presidente Prudente e Álvares Machado... (Resumo completo, clicar acesso eletrônico abaixo)

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Ichthyofaunistic studies aims to broad the knowledge of composition, abundance and distribution of species in certain areas, and when possible, to infer patterns of distribution, as well as extrinsic factors that affect these patterns in space and time. The Paranapanema River suffers the impact of the construction of hydroelectric power plants in cascade system along its main channel, changing the characteristics of lotic to lentic and semi-lentic. These changes affect the entire biocenosis and the surroundings of the reservoir and, in particular, the fish fauna. In this context, the aim of this study was to characterize the fish assemblage in two lakes and stretches of the main channel, located near the outfall of the Paranapanema River, Jurumirim reservoir area, comparing them to their composition and structure, using ecological indices as tools. Fish were caught every three months from April 2011 to January 2013, using gill nets of various mesh openings in four stretches: Environment 1 - Calha Sete Ilhas, Environment 2 - Calha Poço da Pedra, Environment 3 - Lagoa Sete Ilhas and Environment 4 - Lagoa Poço de Pedra. After the capture, the specimens were identified and biometric analysis was performed (total and standard length weight). We captured 4,006 individuals belonging to four orders and 34 species, 31 native species and three non-native species. In abundance (n) and number of species (S), there was a predominance of Characiformes (57 %) followed by Siluriformes (31%). Overall, most of the species was constant concerning the frequency of capture. The five most representative species in abundance were Schizodon intermedius, Cyphocarax modestus, Pimelodus maculatus, Hoplosternum littorale and Serrasalmus maculatus, contributing with 60% of total individuals captured. Regarding the stretches, these species present diversity (H'), evenness (E), dominance (D) and richness (d) of similar species, since the abundance was higher in ...

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)