农田引水拦河坝对漓江流域河流生态系统的影响Ecological Effects of Small Dams on Steam Ecosystems in Lijiang River Basin
王晓超;蔡德所;祝铁钢;张永祥;林红军;武大勇;
摘要(Abstract):
本文通过对漓江下游黄沙河、兴坪河、金宝河、遇龙河4条主要支流上5个农田引水拦河坝进行研究,比较了坝上和坝下的生境、水质物化特性和大型底栖无脊椎动物群落等河流生态特性。研究结果表明:尽管拦河坝没有对河流的水体质量造成显著影响,但是农田引水拦河坝改变了河流的流速、底质、水生植物群落构成等自然生境状况,从而导致大型底栖无脊椎动物群落结构和功能在坝上和坝下之间存在显著的区别。因此,建议在对漓江流域水生态系统进行健康评价时应该考虑农田引水拦河坝所带来的生态影响。
关键词(KeyWords): 拦河坝;漓江流域;大型底栖无脊椎动物
基金项目(Foundation): 国家自然科学基金资助项目(40971280,30870345);; 中央分成水资源费资助项目(2010-2011)
作者(Authors): 王晓超;蔡德所;祝铁钢;张永祥;林红军;武大勇;
DOI: 10.16088/j.issn.1001-6600.2012.04.017
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