The paper assesses the characteristics of water quality based on TP,TN,permanganate index,diaphaneity,ratio of N and P,and aquatic organism property of Yangzonghai lake.

• 以近年来阳宗海水体TP、TN、高锰酸盐指数、透明度、水体中N、P比和水生生物特性等湖泊富营养化要素综合评价了阳宗海水体水质变化特征。