Results 71 to 80 of about 1,365 (216)
Universitas Scientiarum, 2009 Incidental bycatch by ornamental fishing during the low-water season in the influence zone of Puerto Carreño, ColombianOrinoco Basin. Objective. The present study assesses the incidental fish catches in the fishing of ornamental species in terms ...
Juan Mondragón-Estupiñan +2 more
doaj
Sampling neotropical young and small fishes in their microhabitats : an improvment of the quatrefoil light trap [PDF]
, 1994 An improved version of the quatrefoil light trap was tested in a tributary of the Sinnamary river, French Guiana, South America, at the beginning of the rainy season.
Ponton, Dominique
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Composição e distribuição de comunidades de peixes na planície de inundação do rio Taquari, Pantanal, MS. [PDF]
, 2014 Este estudo teve o objetivo de caracterizar a ictiofauna da planície de inundação bacia do baixo Rio Taquari (Pantanal, MS) quanto à estrutura e diversidade de suas comunidades.
AOKI, C. +3 more
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Probabilistic meta-analysis of risk from the exposure to Hg in artisanal gold mining communities in Colombia [PDF]
, 2014 Colombia is one of the largest per capita mercury polluters in the world as a consequence of its artisanal gold mining activities. The severity of this problem in terms of potential health effects was evaluated by means of a probabilistic risk assessment
Clavijo, Diana +3 more
core +2 more sources
Acta Scientiarum: Biological Sciences, 2009 This study analyzed the diet of seven small-sized fish species(Characidae) and assessed their use of food resources. The species were collected in 2001 from nine ponds with aquatic macrophytes in the Paraná river floodplain, Brazil. Astyanax altiparanae,
Valdirene Esgarbosa Loureiro Crippa +2 more
doaj
Neotropical IchthyologyHemigrammus tocantinsi is described from the upper rio Tocantins basin, Chapada dos Veadeiros, Goiás State, Central Brazil. The new species differs from its congeners by the presence of 15-17 branched anal-fin rays, longitudinal stripe relatively narrow ...
Fernando R Carvalho +2 more
doaj +1 more source
Descriptions of new fishes from Panama [PDF]
, 1912 The following preliminary descriptions are of new fishes obtained by the authors during their first season's work on the Biological Survey of the Canal Zone, the ichthyological work of which is being conducted cooperatively by the Field Museum of Natural
Hildebrand, Samuel F., Meek, Seth E.
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A checklist of chromosome numbers and karyotypes of Amazonian freshwater fishes [PDF]
, 1992 Une liste des nombres de chromosomes de 211 espèces de poisson du bassin amazonien est présentée. Ces espèces, appartenant à 5 ordres, sont caractérisées par une grande variabilité du nombre de chromosomes (2n = 22 à 2n = 134), par la présence de ...
Falcao, J. +3 more
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Functional trophic composition of the ichthyofauna of forest streams in eastern Brazilian Amazon. [PDF]
, 2015 Este estudo teve como objetivo descrever a organização funcional da fauna de peixes de riachos do nordeste do estado do Pará, Brasil, com base em observações comportamentais das táticas alimentares das espécies. Sete igarapés foram amostrados entre junho
BREJÃO, G. L., GERHARD, P., ZUANON, J.
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Ichthyofaunistic composition of the Quilombo river, tributary of the Mogi-Guaçu river, upper Paraná river basin, southeastern Brazil [PDF]
Um estudo sobre a composição ictiofaunística do rio Quilombo foi realizado com o intuito de identificar quais espécies de peixes habitam a bacia, com que freqüência tais espécies são encontradas e verificar variações na distribuição longitudinal desta ...
APONE, Fernando +2 more
core +1 more source