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The fish fauna in the fish passage at the Ourinhos Dam, Paranapanema River
(SOC BRASILEIRA ICTIOLOGIASAO PAULO, 2012)
The composition and abundance of the fish assemblage were evaluated in the fish ladder of Ourinhos Dam, the newest dam (closed in 2005) in the cascade of dams constructed on the Paranapanema River. Samplings were carried ...
Total Mercury Determination in Muscle and Liver Tissue Samples from Brazilian Amazon Fish Using Slurry Sampling
(2018-08-01)
This paper presents a slurry sampling method for total mercury determination by graphite furnace atomic absorption spectrometry (GFAAS) in tissue of fish from the Amazon. The tissue samples were lyophilized and macerated, ...
Fish ladders select fish traits on migration - still a growing problem for natural fish populations
(Taylor & Francis Ltd, 2009-01-01)
We investigated the potential selective effect of fish ladders on physiological and morphological profiles of the curimbata, Prochilodus lineatus, during reproductive migration in Brazil. We registered sex, body weight and ...
Fish ladders select fish traits on migration - still a growing problem for natural fish populations
(Taylor & Francis Ltd, 2009-01-01)
We investigated the potential selective effect of fish ladders on physiological and morphological profiles of the curimbata, Prochilodus lineatus, during reproductive migration in Brazil. We registered sex, body weight and ...
Reproductive migration of fish and movement in a series of reservoirs in the Upper Parana River basin, Brazil
(Wiley-Blackwell, 2013-10-01)
AbstractThis study evaluates the effectiveness of two fish passes at two hydropower dams (Canoas I and II) in the Upper Parana basin, which form part of a cascade of three reservoirs. Fish from 12 migratory species (3089 ...
Nested sampling: an improved visual-census technique for studying reef fish assemblages
(2008)
Our aim was to devise visual sampling protocols to estimate densities in a morphologically and behaviorally diverse assemblage of reef fishes. The focus was on a design that is cost-effective and produces relatively accurate ...
Determination of copper in fish feed by graphite furnace atomic absorption spectrometry using slurry sampling
(2008-09-08)
The present work develops and optimizes a method to determine copper in samples of feces and fish feed by graphite furnace atomic absorption spectrometry (GFAAS) through the direct introduction of slurries of the samples ...
Determination of copper in fish feed by graphite furnace atomic absorption spectrometry using slurry sampling
(2008-09-08)
The present work develops and optimizes a method to determine copper in samples of feces and fish feed by graphite furnace atomic absorption spectrometry (GFAAS) through the direct introduction of slurries of the samples ...
Energy deficit does not affect immune responses of experimentally infected pacu (Piaractus mesopotamicus)
(Elsevier B.V., 2015-04-01)
We investigated if the energy deficit following a 30-day starvation period could affect the ability of fish to mount immune responses after experimental exposure to Aeromonas hydrophila. Fish were submitted to two feeding ...
GFAAS Determination of Zinc in Fish Feed and Feces Using Slurry Sampling
(Springer, 2009-06-01)
This paper presents a simple, fast, and sensitive method to determine zinc in samples of feces and fish feed by electrothermal atomic absorption spectrometry through the direct introduction of slurries of the samples into ...