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LI Li-na, CHEN Zhen-lou, XU Shi-yuan, BI Chun-juan. The Enrichment of Cu、Zn、Pb、Cr and Ni in Mollusc in the Tidal Flat of Yangtze Estuary(Chinese)[J]. Journal of East China Normal University (Natural Sciences), 2005, (3): 65-70.
Citation:
LI Li-na, CHEN Zhen-lou, XU Shi-yuan, BI Chun-juan. The Enrichment of Cu、Zn、Pb、Cr and Ni in Mollusc in the Tidal Flat of Yangtze Estuary(Chinese)[J]. Journal of East China Normal University (Natural Sciences), 2005, (3): 65-70.
LI Li-na, CHEN Zhen-lou, XU Shi-yuan, BI Chun-juan. The Enrichment of Cu、Zn、Pb、Cr and Ni in Mollusc in the Tidal Flat of Yangtze Estuary(Chinese)[J]. Journal of East China Normal University (Natural Sciences), 2005, (3): 65-70.
Citation:
LI Li-na, CHEN Zhen-lou, XU Shi-yuan, BI Chun-juan. The Enrichment of Cu、Zn、Pb、Cr and Ni in Mollusc in the Tidal Flat of Yangtze Estuary(Chinese)[J]. Journal of East China Normal University (Natural Sciences), 2005, (3): 65-70.
The concentration of Cu, Zn, Pb, Cr, Ni in mollusc in five sampling sites along Yangtze estuary was studied. The result shows that the concentration of heavy metals in different kinds of mollusc is different and the concentration of Cu and Zn is higher than that of the other three elements.The average concentration of Cu and Zn is 354.58 mg/kg and 186.25 mg/kg.The enrichment capability of different mollusc is discrepant. The order of gross concentration shows that Bullacta exarata (763.81 mg/kg) is higher than Corbicula fluminea (603.57 mg/kg) and Sinonovacula constricta (455.85 mg/kg). When analyzing the different enrichment capability of different parts of Corbicula fluminea we find most heavy metals concentrate on muscle. At last we use Metal Pollution Index (MPI) to compare the concentration of heavy metals in Corbicula fluminea of Luchao Port, Xupu, Gulu and eastern Chongming tidalflat. The result shows that the pollution of Corbicula fluminea in Luchao Port and Xupu is the most serious.