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红水河干流梯级运行后底栖动物的演替
引用本文:简东,黄道明,常秀岭,张庆,谢山,谢文星,杨汉运.红水河干流梯级运行后底栖动物的演替[J].水生态学杂志,2010,31(6):12-18.
作者姓名:简东  黄道明  常秀岭  张庆  谢山  谢文星  杨汉运
作者单位:水利部中国科学院水工程生态研究所,湖北,武汉,430079
基金项目:中国水电顾问集团中南勘测设计研究院红水河干流水电梯级开发对生态环境影响的调查研究——红水河电站建设对水生生态影响后评价研究。
摘    要:2009年7月、11月分别对红水河6座已建梯级底栖动物进行了两次调查,通过对照各梯级建库前资料,分析评价建库后底栖动物的演替特点。结果表明:6座梯级成库后,开发河段底栖动物种类结构由急流型向静水、缓流型转化,大部分水域种类分布有所下降,底栖动物密度整体较成库前大幅增加,各梯级影响区域底栖动物生物量较前增减不一,变化幅度较大。

关 键 词:红水河、梯级、底栖动物、演替
收稿时间:6/23/2010 2:42:36 PM
修稿时间:2010/7/22 0:00:00

The succession of zoobenthos in the mainstream of Hongshui River after the cascade reservoirs were built
Jian Dong,huang dao ming,chang xiu ling,zhang qing,xie shan,xie wen xin and yang han yun.The succession of zoobenthos in the mainstream of Hongshui River after the cascade reservoirs were built[J].Journal of Hydroecology,2010,31(6):12-18.
Authors:Jian Dong  huang dao ming  chang xiu ling  zhang qing  xie shan  xie wen xin and yang han yun
Institution:Institute of Hydroecology,Ministry of Water Resources and Chinese Academy
Abstract:we carried out an investigation on zoobenthos in six cascade reservoirs of the Red River in July and November 2009. The study was to analyse and evaluate the succession of zoobenthos in contrast to the information before and after the the cascade reservoirs were built. The results show that: After Six cascade reservoirs were bulit, community structure of zoobenthos changed from swift-flowing species to slow-flowing and lentic species in developed reach of the Red River. Most of species distribution declined, density of zoobenthos increase significantly, biomass of zoobenthos changed in varying degrees in different cascade reservoirs.
Keywords:Hongshui River  Cascade reservoirs  Zoobenthos  Succession
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