Results 31 to 40 of about 197 (78)

Influęncia de uma barragem sobre atributos ecológicos da comunidade e biologia reprodutiva de peixes do Rio Paraíba do Sul, UHE Ilha dos Pombos, Rio de Janeiro, Brasil / [PDF]

open access: yes, 2008
Orientadora: Márcia Santos de MenezesDissertaçăo (mestrado) - Universidade Federal do Paraná, Setor de Cięncias Biológicas, Programa de Pós-Graduaçăo em Ecologia e Conservaçao.
Aguiar, Kelly Dayane
core   +1 more source

BIODIVERSIDAD DE LOS PARÁSITOS DE PECES DE RÍO GUANDU, SURESTE DE BRASIL: UNA APROXIMACIÓN ECOLÓGICA [PDF]

open access: yes, 2011
Here, we performed a quantitative analysis of the parasite communities in 21 species of fish from Guandu River, Brazil; we evaluated the effects of some host traits (body size, social behavior, fish's habitat, trophic category and ability to migration ...
Abdallah, Vanessa D.   +2 more
core   +3 more sources

A new species of Cosmetocleithrum (Monogenea, Dactylogyridae) from the gills of Auchenipterichthys coracoideus (Siluriformes: Auchenipteridae) from the Peruvian Amazonia [PDF]

open access: yes
En este trabajo se registra una nueva especie de Monogenoidea, Cosmetocleithrum amazonensis n. sp., parasitando las branquias del silurido Auchenipterichthys coracoideus (Eigenmann & Allen, 1942). Cosmetocleithrum amazonensis n. sp.
Murrieta Morey, Germán Augusto   +7 more
core   +3 more sources

Ichthyological ecoregions of Argentina [PDF]

open access: yes, 2002
The Argentine Republic is situated in the southernmost portion of the American continent, occupying over 2,785,600 km2 not including the Antarctic territory. The country ranges from subtropical areas (21º46’S) to subantarctic regions (55º03’S), extending
López, Hugo Luis   +2 more
core  

Consequências da monocultura de braquiárias e da invasão de cambarazais e algodoais sobre a ictiofauna de alagados no Pantanal. [PDF]

open access: yes, 2012
As áreas inundáveis do Pantanal são importantes ambientes de alimentação, crescimento e desova para a ictiofauna. A vegetação das áreas inundáveis passa por fortes mudanças, em parte causadas por oscilações naturais do nível hidrológico, em parte ...
RESENDE, E. K. de, ROSA, F. R. da
core  

PRIMER REGISTRO DE METACERCARIAS (DIGENEA) INFECTANDO ASTRONOTUS OCELLATUS (PERCIFORMES: CICHLIDAE) DE LA REGIÓN AMAZÓNICA, BRASIL [PDF]

open access: yes, 2011
This study aimed to report infection by metacercariae ofthe genera Posthodiplostomum Dubois, 1936 (Diplostomidae) and Herpetodiplostomum Dubois, 1936 (Proterodiplostomidae) in the gills of Oscar Astronotus ocellatus Agassiz, 1831 (Cichlidae) from Lake ...
M.M. Fernandes, Berenice   +2 more
core   +3 more sources

New host records and a checklist of fishes infected with Austrodiplostomum compactum (Digenea: Diplostomidae) in Brazil [PDF]

open access: yes, 2013
This study reports the infection of fishes by Austrodiplostomum compactum metacercariae in the Chavantes reservoir, medium Paranapanema River, municipality of Ipaussu, Sao Paulo State, Brazil. Twenty-three fish species were analysed, and 13 were infected
Abdallah VD   +57 more
core   +2 more sources

Caracterização e afinidades da ictiofauna do Reservatório de Juturnaíba, em Silva Jardim, Estado do Rio de Janeiro [PDF]

open access: yes, 2004
The fish fauna of the Juturnaíba Dam, in Silva Jardim, Rio de Janeiro State, Brazil, is characterized and its similarity with the faunas of the São João river basin, the extinct Juturnaíba Lake, and the rivers emptying into the present dam (Bacaxá ...
Mendonça, Helaine da Silva
core   +1 more source

Spatio-temporal segregation and size distribution of fish assemblages as related to non-native species occurrence in the middle rio doce valley, MG, Brazil [PDF]

open access: yes, 2011
The lakes in the middle rio Doce Valley (MG) are suffering impacts due to the introduction of invasive fish species, mainly piscivorous species like red piranha Pygocentrus nattereri and peacock bass Cichla kelberi.
Espírito-Santo, Helder Mateus Viana   +3 more
core   +4 more sources

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