The concept and main groups of zoobenthos was summarized, and studies of assessment and monitoring of water quality by using benthicanimal in China were reviewed.
The water quality of Urumqi river was evaluated using biological index. Which is on the basis of analysis of the population structure of benthicanimal in Urumqi river.
通过对乌鲁木齐河底栖动物种群结构的分析，利用生物指数评价乌鲁木齐河水质状况。
3
The harm of heavy metal to the aquatic organisms and the utilization of benthicanimal to control the heavy metal was discussed and the important function of benthicanimal was pointed out.