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While reducing the species richness of invaded communities is a well‐known consequence of biological invasions, non‐native species can also reduce variability between communities over time (i.e. beta diversity) in a process known as biotic homogenization. Although biotic homogenization due to non‐native species is a common topic of theoretical reviews, we believe no global meta‐analysis on the effect...
Dams and associated reservoirs cause drastic changes in the composition and structure of ichthyofauna. Therefore, functional groups within a fish assemblage may respond distinctly to such human interventions in rivers. The objective of this study was to evaluate how fluctuations in fish abundance and biomass differ among trophic guilds. Fish were sampled before and after damming four reservoirs, in...
Dam construction alters flow regimes and can change the composition of aquatic communities. Using data from three Brazilian hydrographic basins, we tested the hypothesis that reservoir cascades act as environmental filters for fish traits. This dataset included information on different environmental variables and fish traits (diet, migration, fecundation, parental care, position in the water column,...
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