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Tendency towards homogenization in fish assemblages in the cascade reservoir system of the Tiete river basin, Brazil
(Elsevier B.V., 2012-11-01)
Measurements of biotic homogenization are important for ascertaining the nature and extent of human impacts on biodiversity, especially in relation to habitat alteration, species introductions and water quality degradation. ...
Fragmentation of Chilean Andean rivers: expected effects of hydropower development
(Revista Chilena de Historia Natural, 2020)
Fragmentation of Chilean Andean rivers: expected effects of hydropower development
(Revista Chilena de Historia Natural, 2020)
Impact of Chaitén Volcano ashfall on native and exotic fish recovery, recolonization, and abundance
(Elsevier, 2021-01)
The effects of volcanic disturbance on aquatic communities and their recovery are poorly studied. To fill this gap, we explored the effects on fish communities in rivers in Argentina of the 2008 eruption of Chaitén Volcano ...
Use of 17β-estradiol for leporinus macrocephalus feminizationUtilização de 17β-estradiol para feminização de leporinus macrocephalus
(2020-01-01)
The aim of this study was to evaluate the effects of the use of a diet supplemented with 50 or 100 mg kg-1 17β-estradiol (E2 ) for Leporinus macrocephalus feminization. Thus, one hundred and fifty fingerlings with 50 days ...
Experimental assessment of predation by native and exotic fish on stream invertebrates in Northern Patagonia
(Elsevier Gmbh, 2015-03)
During the last decades invasive species became a matter of concern all over the world. Established salmonid populations make sport fishery in Patagonia one of the top in the world, but there is increasing evidence that ...
Índice de acidez del aceite de pez en la nutrición de alevines de pacú Piaractus mesopotamicus
(2012-12-01)
The aim of this study was to evaluate the effects of fish oil acidity on the growth of pacu (Piaractus mesopotamicus) juveniles. Two hundred juveniles with 10.53±0.65 g of weight and 8.74±0.13 cm of total length, were ...
Índice de acidez del aceite de pez en la nutrición de alevines de pacú Piaractus mesopotamicus
(2012-12-01)
The aim of this study was to evaluate the effects of fish oil acidity on the growth of pacu (Piaractus mesopotamicus) juveniles. Two hundred juveniles with 10.53±0.65 g of weight and 8.74±0.13 cm of total length, were ...
Polycyclic aromatic hydrocarbons levels and potential biomarkers in a native South American marine fish
(Elsevier, 2019-05-29)
Polycyclic aromatic hydrocarbons (PAHs) cause adverse effects on ecosystems and organisms from aquatic environments due to their toxicity, persistence, and bioaccumulation characteristics. Furthermore, PAH exposure in fish ...