Buscar
Mostrando ítems 71-80 de 493
Fish assemblage and environmental patterns in the Río de la Plata estuary
(Academic Press Ltd-elsevier Science Ltd, 2003-12)
The presence of persistent fish assemblage areas in estuaries can result from spatially structured environmental gradients, which determine a pattern of biological zonation. In the Rı́o de la Plata estuary (36 °S, 56 °W), ...
Basin-scale distribution and haplotype partitioning in different genetic lineages of the Neotropical migratory fish Salminus brasiliensis
(John Wiley & Sons Ltd, 2018-04)
Four valid species are currently recognized in the Neotropical migratory genus Salminus: Salminus brasiliensis, Salminus franciscanus, Salminus hilarii and Salminus affinis. However, molecular evidence strongly suggested ...
Co-management And Spatial Features Contribute To Secure Fish Abundance And Fishing Yields In Tropical Floodplain Lakes
(Springer New York LLC, 2014)
Molecular phylogenetics of Neotropical detritivorous fishes of the family Curimatidae (Teleostei: Characiformes)
(Elsevier B.V., 2018-10-01)
Curimatidae, the fourth largest family of detritivorous Neotropical characiform fishes, encompasses eight extant genera and over 110 species dwelling in diverse freshwater habitats from Costa Rica to Argentina. Extensive ...
Artisanal fisheries in a Brazilian hypereutrophic reservoir: Barra Bonita reservoir, middle Tietê river
(Instituto Internacional de Ecologia, 2011-11-01)
Esse estudo avaliou aspectos quantitativos qualitativos do desembarque pesqueiro no reservatório hipertrófico de Barra Bonita. Os dados foram coletados mensalmente (julho/2004-junho/2006) em três localidades e informações ...
Spatial and seasonal patterns in fish assemblage in Córrego Rico, upper Paraná river Basin
(2013-01-01)
The upper Paraná River basin drains areas of intensive industry and agriculture, suffering negative impacts. The Córrego Rico flows through sugar cane fields and receives urban wastewater. The aim of this work is to describe ...
Maternal Thyroid and Glucocorticoid Hormone Interactions in Larval Fish Development, and Their Applications in Aquaculture
(Taylor & Francis Inc, 2014-01-01)
Thyroid hormones (THs) have long been known to have regulatory roles in the differentiation and maturation of vertebrate embryos, beginning with the knowledge that hormones of maternal origin are essential for human fetal ...