Implications of differences between temperate and tropical freshwater ecosystems for the ecological risk assessment of pesticides [PDF]
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.
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Variaciones de la abundancia de peces del valle del rio Parana (Argentina) [PDF]
, 1990 L'abondance et la répartition des poissons dans le Parana sont influencées par les facteurs de l'environnement comme la géomorphologie et les crues exceptionnelles. En aval de la confluence du Parana et du Paraguay, de même que dans la basse vallée de ce
Oldani, N.O.
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Ecological studies on some lakes of the Amazon valley
, 1967 Of the three types of lakes studied, clear water, white water, and brown water, the white water lakes are the only ones to have a reasonable autochtonous production of organic matter. Owing probably to the lack of mineral salts, the primary production is
Marlier, G.
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Liste commentée des poissons de l'Amazonie bolivienne [PDF]
, 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
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, 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
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CARACTERISTICAS SEMINAIS DO CURIMBATÁ, Prochilodus scrofa, STEINDACHNER, 1881
Boletim 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
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Dams effects on potamodromous Prochilodus magdalenae: evidence from endocrine response
, 2017 Background. Prochilodus magdalenae is a neotropical fish that synchronizes reproduction with flood river pulses. Methods. We used an endocrine method to test the influence of hydropeaking on hormone production related with reproduction. We analyzed P. magdalenae reproduction in individuals from two sectors of a Neotropical river basin: one with
De Fex-Wolf, Daniela +3 more
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TEORES LIPÍDICOS DO SANGUE DO CURIMBATÁ Prochilodus scrofa STEINDACHNER, 1881)
Boletim 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
Eco-evolutionary factors that influence its demographic oscillations in Prochilodus costatus (Actinopterygii: Characiformes) populations evidenced through a genetic spatial-temporal evaluation. [PDF]
Evol Appl, 2023 Ludwig S +3 more
europepmc +1 more source
Survival rates associated with in vitro low-temperature storage of kutum (Rutilus kutum) eggs [PDF]
, 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
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