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Effects of anthropogenic disturbances on α and β diversity of fish assemblages and their longitudinal patterns in subtropical streams, China [Ecology of Freshwater Fish]

Keywords : anthropogenic disturbance, headwater stream, upstream–downstream pattern, α and β diversity

par Frédéric Magné - publié le

Identifying the spatial patterns of α and β diversity of biotics is an important yet little-understood area of basic and applied ecological research. Although the upstream–downstream patterns of α diversity of stream fishes are numerously reported, β diversity has received less attention. In this study, we surveyed fishes along the upstream–downstream gradients in three headwater streams of the Qingyi River, China, which were affected by different extents of human activities. We aimed to assess how anthropogenic disturbances affect α and β diversity of stream fishes and their upstream–downstream patterns.(...)

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