The harm of heavy metal to the aquatic organisms and the utilization of benthic animal to control the heavy metal was discussed and the important function of benthic animal was pointed out.

• 探讨了重金属对水生生物的危害及底栖动物对重金属的生物可利用性,指出海洋底栖动物对重金属治理有着巨大作用。