The community characteristics and water ecology evaluation of macrozoobenthos in seagoing rivers of Yancheng
we used rivers water eco-environment quality comprehensive evaluation index,macrozoob-enthos community structure and water quality data of main seagoing rivers of Yancheng in May and September 2021 to study the water eco-environment quality of seagoing rivers in Yancheng.The re-sults of our survey showed that Shannon-Wiener index(H')was between 0.39-3.01,with a mean value at 3.08,the overall level of evaluation was good.Mollusca and Arthropoda accounted for the highest proportion,reaching 77.5%.The highest frequency of occurrence is Bellamya and Palaemoni-dae,and the main dominant species is Corophium.The WEQI evaluation results of seagoing rivers are mainly moderate and good,accounting for 60%and 40%respectively.Biology and habitat were the main factors affecting the water eco-environment quality.
万方数据
维普
