| 摘要: |
| 环境中的污染物，极少单一存在，往往是多种并存。因此，它们对生物的影响是综合性的，可能产生拮抗(Antagonism)或协同作用(Synergism)。然而，以实验的方法研究多种重金属对海洋动物的效应的报道目前还不多见。已有的多为单种元素的实验研究，如Cunningham和Tripp，对汞在美洲牡蛎体内的积累、排出以及用同位素标记其在组织中的分布做了不少工作； Eisler等做了镉对海洋动物影响的研究；Phillipst近几年来做了监测重金属污染物的生物指标种的探讨。
毛蚶Arca (Anadara) subcrenata Lischke，在我国沿海均有分布，大量产于渤海，是沿海地区的重要食用贝类。作者以毛蚶为实验材料，探讨镉、铜、铅、镍、铬等五种混合的重金属在其体内的积累、排出和在器官组织中的分布，以及盐度变化对其积累的影响。这对于了解重金属对海洋生物的影响，进行环境质量的综合评价是很必要的，尤其在环境条件较为复杂的河口和海湾区域更具有重要意义。 |
| 关键词: 毛蚶 积累 分布 排出 |
| DOI： |
| 分类号: |
| 基金项目:中国科学院海洋研究所调查研究报告第1178号 |
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| THE EXPERIMENTAL STUDIES OF ACCUMULATION, DISTRIBUTION AND DEPURATION OF Cd, Cu, Pb, Ni, Cr IN CLAM, ARCA (ANADARA) SUBCREN AT A LISCHKE |
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Cui Keduo, Wu Yulin, Zhao Hongru, Hou Lanying, Lou Qingxiang
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Institute of Oceanology, Academia Sinica
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| Abstract: |
| The clam, Arca (Anadara) subcrenata Lischke, which inhabits abundantly in Bohai Bay, is a valuable seafood as well as an indicator in studying seawater pollution by heavy metals and consequently a criteria in establishing water quality. The present paper deals with the research on the accumulation, distribution and depuration of Cd, Cu, Pb, Ni, Cr by this species and the salinity influence on their uptake rate.
The clams were first exposed to the five kinds of metals in various concentrations. After being treated by wet digestion, the contents of heavy metals in the samples were determined by WFD-Y2 Atomic Absorption Spectrophotometer. |
| Key words: LISCHKE ACCUMULATION DISTRIBUTION DEPURATION |
