The amounts of heavy metals accumulated in the aquatic plants were also related to the types and degrees of the pollution of the creeks 水生植物对重金属的富集还与河流的污染类型和污染程度有关:工业园区附近河流水生植物集镇居民区村级居民区。
Compared with the reported pcbs concentrations in sediments of other coastal areas in china and other countries , the level of pcbs pollution in jiaozhou bay was about the average of non - metropolitan cities 总pcbs含量落在国内外海洋近岸表层沉积物含量范围的中值区。污染来源有城市污水排放及大气来源两种,而不属于工业污染类型。