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Anthropogenic alterations to large, North American rivers have caused widespread changes in river function, and are likely responsible for freshwater biodiversity declines. The fish assemblage of the Missouri River has been affected by decades of homogenized flow and channelization, and these changes have contributed to declines in several native species. Little is known about fish use of altered...
Three underwater stereo-video techniques were used to sample the relative densities and species richness of temperate reef fish assemblages at three reef locations and two habitats (high- and low-relief reef) within Hamelin Bay, south-western Australia. The three techniques compared were diver-operated stereo-video strip transects, baited remote stereo-video and unbaited remote stereo-video. While...
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