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Spatial and temporal variation of fish assemblages in a subtropical small stream of the Huangshan Mountain |
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| Authors: | Yunzhi YAN Shan HE Ling CHU Xiuying XIANG Yanju JIA Juan TAO Yifeng CHEN College of Life Sciences Anhui Nonnal University Provincial Key Laboratory of Biotic Environment Ecological Safety inAnhui Wuhu Anhui China College of Biological Science Engineering Hebei University of Economics Business Shijiazhuang China Institute of Hydrobiology Chinese Academy of Sciences Wuhan China |
| Affiliation: | Yunzhi YAN~(1*),Shan HE~1,Ling CHU~1,Xiuying XIANG~1,Yanju JIA~2,Juan TAO~3,Yifeng CHEN~3 1 College of Life Sciences,Anhui Nonnal University,Provincial Key Laboratory of Biotic Environment and Ecological Safety inAnhui,Wuhu 241000,Anhui,China 2 College of Biological Science and Engineering,Hebei University of Economics and Business,Shijiazhuang 050061,China 3 Institute of Hydrobiology,Chinese Academy of Sciences,Wuhan 430072,China |
| Abstract: | Spatial and temporal variation of fish assemblages were investigated seasonally from May 2007 to February 2008 across 11 study sites in a subtropical small stream, the Puxi Stream, of the Huangshan Mountain. Along the longitudinal gradient from headwater to downstream, fish species richness and abundance increased gradually, but then decreased significantly at the lower reaches. The highest species richness and abundance were observed in August and the lowest in February. Based on analysis of similarities (... |
| Keywords: | Assemblage structure Low-head dam Stream fish Spatial-temporal pattern |
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