Biomarker - indicated variation trend in coastal ecosystem of Liaoning Province
辽宁省近岸海域水质生物指标及变化趋势分析

In this paper, a research on economic mollusks and the biological index to variation tendency in coastal areas of Liaoning Province was conducted since August, 2002. The results demonstrated that the mollusks of some areas remained high level of toxic residue, and the local aquatures showed a light pollution tendency.