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- López-Fernández, Hernán, et al. Show all 5 Authors
- Journal of biogeography 2008 v.35 no.9 pp. 1551-1563
- African Americans; basins; cluster analysis; correspondence analysis; data collection; drainage; environmental factors; fauna; fish; habitats; rivers; streams; watersheds; zoogeography; Venezuela
- ... The aim of this study was to determine whether the Casiquiare River functions as a free dispersal corridor or as a partial barrier (i.e. filter) for the interchange of fish species of the Orinoco and Negro/Amazon basins using species assemblage patterns according to geographical location and environmental features. The Casiquiare, Upper Orinoco and Upper Negro rivers in southern Venezuela, South A ...