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A ictiofauna da bacia do Rio Paraíba do Sul. Biodiversidade e padrões biogeográficos BABT
Bizerril,Carlos Roberto S. Fontenelle.
Fish fauna taxonomic composition and biogeographic informations of the Paraíba do Sul river basin are presented. Samples were taken in 75 units between January/1995 and June/1998. Species were identified and classified according its distributional pattern. Biogeographic analyses were conduced using macro, meso and micro scales. A total of 167 species were sampled, being 37 marine species. Among the marine taxa, Awaous tajasica and Oosthetus lineatus seems to spend their whole life histories in the freshwater environments. Sixteen species were introduced in the basin. Most of the native taxa inhabit the rivers’storage zone, mainly in pools. Faunistic similarities between the Paraíba do Sul river basin and other Brazilian rivers suggest that the environment...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biodiversity; Paraíba do Sul river basin; Freshwater fishes; Southeastern Brazil.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131999000200014
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Alocação dos custos de melhorias em bacias hidrográficas entre os usuários de água: uma aplicação do valor de Shapley AgEcon
Leite, Gil Bracarense; Vieira, Wilson da Cruz.
The objective of this work was to analyze the cost allocation of improvements in river basins among the water users. It was used, as example, the Paraíba do Sul river basin, located in the states of Minas Gerais, São Paulo and Rio de Janeiro, and, as criteria of allocation of costs, they were used the volumes of water extracted and consumed, and the quantity of pollutants deposited in the basin area by water users. The methodology used consists of the rule of allocation known as Shapley value, which belongs to the cooperative branch of game theory. In the case of Paraíba do Sul river basin, the values found indicated that the urban users should pay the higher part of the costs of improvements, given that these users are responsible for most of the...
Tipo: Working or Discussion Paper Palavras-chave: Water resources; Cost allocation; Shapley value; Paraíba do Sul river basin; Environmental Economics and Policy.
Ano: 2009 URL: http://purl.umn.edu/53385
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