辽宁省近岸海域水质生物指标及变化趋势分析

2002年8月以来，对辽宁省沿岸经济贝类进行了抽样调查，并对近岸海域水质生物指标及变化趋势进行了分析。结果表明，一些地区沿岸贝类有害物残留量较高．水生生物表现为轻污染趋势。

Biomarker - indicated variation trend in coastal ecosystem of Liaoning Province

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.