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香溪河流域梯级水库底栖动物群落比较
Authors
刘瑞秋
蔡庆华
+4 more
谢志才
贾兴焕
邵美玲
韩新芹
Publication date
1 January 2007
Publisher
Abstract
对香溪河流域3座梯级水库(古洞口一级水库、古洞口二级水库和三峡水库香溪河库湾)的底栖动物进行了比较生态学研究。运用主成分分析(PCA)对梯级水库的水质进行研究,表明沿着水库的梯度水质逐渐恶化。运用非度量多维标度法(NMS)对梯级水库的底栖动物群落结构进行相似性比较,表明选择水库湖泊区的样点进行梯级水库底栖动物生态学研究具有典型代表性。在物种组成和密度方面,古洞口一级水库和香溪河库湾都是寡毛类占优势,古洞口二级水库是摇蚊幼虫占优势。但3个水库都是耐污种占优势。采用典型对应分析(CCA)解析底栖动物群落结构
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Institute of Hydrobiology, Chinese Academy Of Sciences
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oai:ir.ihb.ac.cn:152342/1028
Last time updated on 15/03/2018