长江上游支流赤水河流域底栖动物物种多样性与保护对策

张多鹏, 刘洋, 李正飞, 葛奕豪, 张君倩, 谢志才

Species diversity and recommended rehabilitative strategies of benthic macroinvertebrate in the Chishui River, a tributary of the Upper Yangtze River

Duopeng Zhang, Yang Liu, Zhengfei Li, Yihao Ge, Junqian Zhang, Zhicai Xie

表3 赤水河不同河段大型底栖动物群落优势种百分比

Table 3 The density percentage of dominant species of benthic macroinvertebrates in each reach of the Chishui River

物种 Taxa 全流域 Chishui River (%) 上游 Upstream (%) 中游 Midstream (%) 下游 Downstream (%) 蜉蝣属一种 Ephemera sp. 8.09 11.39 扁蜉属一种 Heptagenia sp. 7.78 10.34 河花蜉属一种 Polamanthus sp. 6.62 9.91 四节蜉属一种 Baetis sp. 6.70 6.98 12.36 似动蜉属一种 Cinygmula sp. 7.39 潜水蝽科一种 Naucoridae sp. 6.62 7.39 8.13 多足摇蚊属一种 Polypedilum sp. 6.55 16.37 15.99 齿斑摇蚊属一种 Stictochironomus sp. 27.99 枝长跗摇蚊属一种 Cladotanytarsus sp. 8.97 环棱螺属一种 Bellamya sp. 11.54 湖球蚬 Sphaerium lacustre 7.04