Use este identificador para citar ou linkar para este item: https://repositorio.inpa.gov.br/handle/1/17853
Título: Effects of local and regional factors on the fish assemblage structure in Meridional Amazonian streams
Autor: Fernandes, Izaias Médice
Lourenço, Luzia da Silva
Ota, Rafaela Priscila
Moreira, Milena M M
Zawadzki, Cláudio Henrique
Palavras-chave: Abundance
Community Structure
Forest Cover
Pasture
Riparian Vegetation
River Basin
Species Richness
Stream
Watershed
Amazonia
Aripuana
Mato Grosso
Data do documento: 2013
Revista: Environmental Biology of Fishes
É parte de: Volume 96, Número 7, Pags. 837-848
Abstract: The aim of this study was to evaluate the effects of local, regional and temporal factors structuring fish assemblages in Meridional Amazonian streams during the months of May (rainy season) and August (dry season) of 2008. To accomplish this task, 14 streams located in Serra do Expedito (Aripuanã River basin) were sampled along 30-m stretches. A total of 3,212 specimens distributed among five orders, 18 families, and 55 species were recorded. The fish assemblage structure in the streams presented variation among types of riparian vegetation (local factor) and watersheds (regional factor), but did not present variation between seasons (temporal factor) and stream order (regional factor). Larger streams with margins covered with pasture presented higher species richness and abundance than smaller streams with margins covered with forest. © 2012 Springer Science+Business Media B.V.
DOI: 10.1007/s10641-012-0079-1
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