湛江港湾海产品的品质与污染物积累

Quality and pollutant accumulation of the seafood in Zhanjiang Harbour Bay

研究了湛江港湾海产品的污染物积累与品质状况。海洋生物体中Ｃｕ、Ｐｂ、Ｃｄ、Ｚｎ、酚、Ａｓ等项目以软体动物的（平均）含量最高、生物富集系数最大，对虾类则较小。总Ｃｒ、总Ｈｇ两项目以鱼类含量最高、富集系数最大，软体动物较小。分析表明该港湾海产品的Ｃｕ、Ｃｄ、Ｚｎ、总Ｃｒ、总Ｈｇ、Ａｓ项目含量远低于海洋生物污染评价标准。仅Ｐｂ项目１个测点出现１次超标。该港湾海产品品质是良好的。

The pollutant accumulation and quality status of the seafood in Zhanjiang Harbour Bay were studied.Cu,Cd,Zn,As and phenol of the muscular tissue in the marine organisms,molluscus displayed the highest residue values (mean contents) and the largest biological concentration factors for the pollutants,while penaeid shrimp had relatively lower values.Fishes presented the highest residue values and the largest bio-concentration factors for total Cr and total Hg,while molluscus had the lower values.The analyses showed that the contents of Cu,Cd,Zn,Cr,Hg and As in the seafood in the Harbour Bay were far lower than the limits of the Marine Organism Pollution Assessment Standard.Only one sample residue value of Pb detected in July 1990 excelled the standard limit.Thus the quality of the seafood in Zhanjiang Harbour Bay was considered in a good status.