摘要
2002年春季(4-5月)和秋季(9-10月)分两次调查了雅砻江锦屏一级水电站及其影响区的底栖无脊椎动物多样性概况。结果表明:雅砻江中、下游底栖无脊椎动物由5门、6纲、12目、32科、38属、39种组成。其中节肢动物32种,占总种数的82%;环节动物3种,占总种数的7.7%;软体动物2种,占总种数的5.1%,线虫动物和苔藓动物各1种,分别占总种数的2.6%。
The diversity of benthic invertebrates in the Jinping Hydroelectric Station of Yalong river and those areas by which influenced was investigated from April to May and September to October in 2002. The result indicated that there were 39 species of benthic invertebrates in its main water body, belonging to 5 phyla, 6 classes, 12 orders, 32 families and 38 genera. The Arthropoda was the richest including 32 species (82% of the sum). There were 3 species of Annelida (7.7% of the sum), 2 species of Mollusca (5.1% of the sum) and 1 species of Nematoda and Bryozoa (2.6% of the sum each).
出处
《内江师范学院学报》
2006年第4期61-64,共4页
Journal of Neijiang Normal University
关键词
雅砻江
锦屏水电站
底栖无脊椎动物
多样性
Yalong river
jinping hydroelectric station
benthic invertebrates
diversity