The results showed that the main pollutants into the sea from rivers were COD, nutrients, petroleum and heavy metal (e.g.Cu, Pb, Zn, Cd, Hg) and so on.

• 结果表明，由河流携带入海的主要污染物为化学需氧物质、营养盐、石油类和重金属（铜、铅、锌、镉、汞）等。