Results 111 to 120 of about 8,650 (200)

Descrição das larvas das principais espécies de peixes utilizadas pela pesca, no Pantanal. [PDF]

open access: yes, 2019
Elaborou-se uma chave ilustrada, baseando-se na comparacao de caracteristicas morfologicas e morfometricas dos estadios iniciais, quando as larvas ainda sao encontradas no plancton, a deriva no rio.
LIMA, C. A. R. M. A., NASCIMENTO, F. L.
core   +1 more source

Liste commentée des poissons de l'Amazonie bolivienne [PDF]

open access: yes, 1991
Après une brève présentation de l'Amazonie bolivienne, des milieux prospectés, de l'effort de pêche, des travaux anciens et récents, les auteurs founissent une liste commentée des poissons rencontrés.
Lauzanne, Laurent   +2 more
core  

Temporary fat storage, an adaptation of some fish species to the waterlevel fluctuations and related environmental changes of the Amazon river

open access: yes, 1985
Analysis of Amazonian freshwater fish exhibited great differences in water- and fat content. Migratory species which deposit huge amounts of eggs in a single spawning act accumulate at high water-level great amounts of fat in various parts of the body ...
Junk, W.
core  

Implications of differences between temperate and tropical freshwater ecosystems for the ecological risk assessment of pesticides [PDF]

open access: yes
Despite considerable increased pesticide use over the past decades, little research has been done into their fate and effects in surface waters in tropical regions.
Brink, P.J., van den, Daam, M.A.
core   +2 more sources

Survival rates associated with in vitro low-temperature storage of kutum (Rutilus kutum) eggs [PDF]

open access: yes, 2017
To study the effects of post-stripping oocyte ageing at low temperatures on the viability of kutum (Rutilus kutum) oocytes, unfertilised eggs of five females were stored in ovarian fluid at temperatures of 4 and 7 degrees centigrade for 24 hours post ...
Kazemi, R.   +3 more
core  

Presencia de coliformes totales y fecales en Prochilodus nigricans “Boquichico”: Presence of total and fecal coliforms in Prochilodus nigricans "Boquichico"

open access: yes, 2023
En el presente trabajo de investigación se evaluó la presencia de coliformes totales y fecales sobre Prochilodus nigricans, para ello se hizo un muestreo de 5 individuos por cada mercado por lo tanto de evaluaron 15 individuos de Prochilodus nigricans, siendo trasladados al laboratorio de microbiología y parasitología, para el análisis presuntivo se ...
Pari Quispe, Dina   +4 more
openaire   +1 more source

CARACTERISTICAS SEMINAIS DO CURIMBATÁ, Prochilodus scrofa, STEINDACHNER, 1881

open access: yesBoletim do Instituto de Pesca, 2018
O presente ensaio teve como objetivo estudar as caracterí­­sticas seminais e comparar métodos indiretos de avaliação do material fecundante de exemplares de curimbatá, Prochilodus scrofa, capturados no Rio Mogi-Guaçu durante os perí­­odos reprodutivos de 1984 e 1985.
Emico Tahira KAVAMOTO   +2 more
openaire   +1 more source

TEORES LIPÍDICOS DO SANGUE DO CURIMBATÁ Prochilodus scrofa STEINDACHNER, 1881)

open access: yesBoletim do Instituto de Pesca, 2018
Teores de lí­­pides do sangue do curimbatá Prochilodus scrofa foram determinados. Observou-se diferença significativa (P â"°¥ 0,01) entre os sexos apenas no estádio Esgotado do ciclo reprodutivo.
Airton Luiz VIEIRA
doaj  

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