摘要
通过回顾衡水湖湿地鱼类资源调查,对衡水湖湿地的底层鱼类群落结构特征进行分析,结果表明:衡水湖鱼类资料调查历史种类为34种,2018年调查中捕获底层鱼类133尾,隶属于3目4科8种,鲫、红鳍鲌为优势种类,1^+龄占捕获鱼类数量的93.16%,存在着低龄化的现象,底层鱼类多样性指数相对较高。
The investigation of fish resources in Hengshuihu Wetland was reviewed and the community structure characteristics of demersal fish were analyzed.The results showed that there were 34 species of fish based on the historic investigation data in Hengshui Lake.In the investigation in 2018,133 demersal fish were caught,belonging to 3 orders,4 families and 8 species.Carassius auratus and Cultrichthys erythropteru were the dominant species.1^+age group accounted for 93.16%of the number of fish caught which showed low age stock.The diversity index of demersal fish was high.
作者
周绪申
孟宪智
崔文彦
黄艳凤
孔凡青
ZHOU Xu-shen;MENG Xian-zhi;CUI Wen-yan;HUANG Yan-feng;KONG Fan-qing(State Key Laboratory of Hydraulic Engineering Simulation and Safety,Tianjin University,Tianjin 300072,China;Center of Eco-environmental Monitoring and Scientific Research,Administration of Ecology and Environment of Haihe River Basin and Beihai Sea Area,Ministry of Ecology and Environment of People s Republic of China,Tianjin 300170,China)
出处
《环境生态学》
2020年第4期46-50,共5页
Environmental Ecology
基金
国家自然科学基金(51621092)资助。
