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Do cage fish farms promote interference in the trophic niche of wild fish in neotropical reservoir?
(2022-04-01)
Cage fish farming in hydroelectric reservoirs has been reported to promote variations in environmental conditions, which directly interfere with the foraging behavior of wild fish. We have hypothesized that the abundance ...
Caution for using ventilatory frequency as an indicator of stress in fish
(Elsevier B.V., 2004-04-30)
This study tested the use of ventilatory frequency (VF) as an indicator of stress in the Nile tilapia, Oreochromis niloticus (L.). Firstly, we tested the relationship between VF and plasma cortisol after confinement. ...
Caution for using ventilatory frequency as an indicator of stress in fish
(Elsevier B.V., 2004-04-30)
This study tested the use of ventilatory frequency (VF) as an indicator of stress in the Nile tilapia, Oreochromis niloticus (L.). Firstly, we tested the relationship between VF and plasma cortisol after confinement. ...
Spatial and temporal distribution of fishing resources exploited by the Manaus fishing fleet, Amazonas, Brazil
(Instituto Internacional de Ecologia, 2014)
Fish debris in sediments from the last 25 kyr in the Humboldt Current reveal the role of productivity and oxygen on small pelagic fishes
(Elsevier, 2019)
Upwelling of cold, nutrient-rich water from the oxygen minimum zone (OMZ) off Peru sustains the world's highest production of forage fish, mostly composed of anchovy (Engraulis ringens). However, the potential impacts of ...
O histórico de uma pesca tropical utilizando indicadores ecossistêmicos
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em EcologiaBioecologia Aquática, 2014-02-11)
When scientists study methods, theory and standards in an inseparable form, he is facing a paradigm. Throughout the development of a determined science, paradigms can change by changing the methods, objective and standards ...
Efecto de la herbivoría y coralivoría por peces en la supervivencia de corales trasplantados en el Caribe colombiano
Effect of herbivorous and corallivorous fishes on the survival of transplanted corals in the Colombian Caribbean. To examine the effects of herbivorous and corallivorous fishes on the survival of transplanted colonies of ...
Acute lethal and sublethal effects of neem leaf extract on the neotropical freshwater fish Prochilodus lineatus
(Elsevier B.V., 2007-03-01)
The aim of this study was to determine the toxicity of the aqueous extract of neem leaves, a product extensively used in fish-farms as alternative for the control of fish parasites and fish fry predators, for the neotropical ...
Acute lethal and sublethal effects of neem leaf extract on the neotropical freshwater fish Prochilodus lineatus
(Elsevier B.V., 2007-03-01)
The aim of this study was to determine the toxicity of the aqueous extract of neem leaves, a product extensively used in fish-farms as alternative for the control of fish parasites and fish fry predators, for the neotropical ...