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Mostrando ítems 11-20 de 111
Interações tróficas entre a espécie Geophagus brasiliensis e a comunidade de macroinvertebrados bentônicos em reservatórios de diferentes graus de trofia
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Ecologia e Recursos Naturais - PPGERN, 2012-02-10)
The studies related to the interactions among populations in the aquatic communities are essential for providing relevant information for the understanding of energy and matter pathways in the ecosystems and subsidize to ...
Aquatic insects as the main food resource of fish the community in a Neotropical reservoir
(Sociedade Brasileira de Ictiologia, 2009-01-01)
Neste estudo foi avaliada a dieta das espécies de peixes do reservatório de Nova Avanhandava, baixo rio Tietê, Estado de São Paulo, Brasil. Os peixes foram coletados em dois trechos do reservatório: trecho Santa Bárbara ...
Aquatic insects as the main food resource of fish the community in a Neotropical reservoir
(Sociedade Brasileira de Ictiologia, 2009-01-01)
Neste estudo foi avaliada a dieta das espécies de peixes do reservatório de Nova Avanhandava, baixo rio Tietê, Estado de São Paulo, Brasil. Os peixes foram coletados em dois trechos do reservatório: trecho Santa Bárbara ...
Impactos da urbanização na ictiofauna de riachos na parte superior da bacia do Alto Rio Paranapanema (SP), Brasil.
(Universidade Federal de São CarlosBRUFSCarPrograma de Pos-graduação em Diversidade Biológica e Conservação, 2013-04-05)
Aquatic ecosystems have suffered strong anthropogenic pressure, through the construction of dams, water exploitation, chemical pollution, destruction of the surrounding environment, especially riparian vegetation, and ...
Differences in the ichthyofauna feeding habits among lateral lagoons and the river channel in a large reservoir
(2015)
In this study, we investigated differences in feeding habits of small-sized ichthyofauna among lateral lagoons and the river channel in a large reservoir. The study was performed in four lagoons and in one sampling site ...
The trophic role of the squid Loligo plei as a keystone species in the South Brazil Bight ecosystem
(OXFORD UNIV PRESS, 2010)
The issue of whether loliginid squid can influence the average structure of marine ecosystems in a keystone role, i.e. a strong effect with relatively low biomass, has not yet been examined. Here, the diet of Loligo plei ...
Dietary composition and trophic level of Hypanus marianae (Myliobatiformes: Dasyatidae), captured off Pernambuco coast, Brazil
(Pontificia Universidad Católica de Valparaíso, 2019)
The dietary habits of the upside-down catfish, Synodontis membranaceus (Osteichthyes: Mochokidae) in Jebba lake, Nigeria
(Universidad de Costa Rica, 2008)
Bioaccumulation and trophic transfer of metals, As and Se through a freshwater food web affected by antrophic pollution in Córdoba, Argentina
(Academic Press Inc Elsevier Science, 2018-02)
The concentration of metals (Al, Cr, Mn, Fe, Ni, Cu, Zn, Ag, Cd, Hg, Pb, U), As and Se in different ecosystem components (water, sediment, plankton, shrimp, and fish muscle) has been determined in a eutrophic reservoir in ...