水质生物评价 meaning in Chinese

biologic assessment of water quality

This thesis dealt with the tolerance value of benthic macro - invertebrate taxa , bio - assessment criteria in water quality using biotic index in china , and the establishment of benthic index of biotic integrity ( b - ibi ) in the health assessment of stream ecosystem . a comparison of the number of species , individuals and values of metrics between quantitative and semi - quantitative sampling methods were also studied
并对溪流定量采样法(索伯网样)和半定量采样法(踢网样加d形抄网样)进行了比较研究一、溪流底栖动物定量和半定量采样法比较研究溪流底栖动物定量采样多用于溪流生态学研究，半定量采样法主要用于溪流水质生物评价研究。