牡丹江水质状况对水生生物影响及评价

EFFECT OF POLLUTION OF MUDAN RIVER ON AQUATIC ORGANISMS AND EVAUATION OF ENVIRONMENTAL QUALITY

本文以调查牡丹江的浮游生物种群的组成及数量对环境污染或变化所产生的反应，阐明污染状况，根据生物多样性指数进行生物评，结果表明，指示生物以ａ－中污或μ－中污居多。评价结果认为牡丹江水质由β－中污向α－中污过渡。

Contamination of River Mudan are exepoudectl by component and quantity of plankton.According to inedx of biological diversity go to appraise inolicotor biological majority are X- middle Contamination and β-middle Contamination.we are think water quality of River Mudan transition from β- middle contamination to α-middle contamination.