缺氧沉积物中硫化物对镉的生物可利用性的影响

韩建波; 李丽娟; 闫启仑; 王菊英; 马德毅; 全燮

缺氧沉积物中硫化物对镉的生物可利用性的影响

1.
大连理工大学, 环境与生命学院, 辽宁大连 116024;国家海洋环境监测中心, 辽宁大连 116023
2.
国家海洋环境监测中心, 辽宁大连 116023
3.
大连理工大学, 环境与生命学院, 辽宁大连 116024

基金项目: 国家自然科学基金资助项目(41176029).

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出版历程
- 收稿日期: 2004-04-18
- 修回日期: 2004-11-05

Effect of sulfides on cadmium bioavailability in anoxic sediment

1.
School of Environmental and Biological Science and Technology, Dalian University of Technology, Dalian 116024, China;National Marine Environmental Monitoring Center, State Oceanic Administration, Dalian 116023, China
2.
National Marine Environmental Monitoring Center, State Oceanic Administration, Dalian 116023, China
3.
School of Environmental and Biological Science and Technology, Dalian University of Technology, Dalian 116024, China

摘要

摘要: 镉是水环境中主要的金属污染物质,趋向于在沉积物中富集,对底栖生物造成潜在的威胁,并且通过食物链最终影响人体的健康.已经证明,作为沉积物中两大主要污染物的有机物和金属,有机碳是控制沉积物中非离子态有机化合物生物可利用性的主要因子^[1],因此利用有机碳归一化方法判断沉积物是否受到有机物污染成为可能,而沉积物中金属的毒性或它的生物可利用性会受到诸如生物、物理和化学因子的影响,其中沉积物的部分化学组成会影响金属在固相与间隙水之间的分配,从而成为控制金属生物可利用性的关键因子^[2,3].
- 硫化物 /
- 镉 /
- 生物可利用性 /
- 缺氧沉积物
- sulfides /
- cadmium /
- bioavailability /
- anoxic sediment

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参考文献(11)

DI Toro D M,ZARBA C S,HANSEN D J,et al.Technical basis for establishing sediment quality criteria for non-ionic organic chemicals using equilibrium partitioning[J].Environ Toxicol Chem,1991,10:1 541-1 583.

HANSEN D J,BERRY W J,MAHONY J D,et al.Predicting the toxicity of metal contaminated field sediments using interstitial concentration of metals and acid-volatile sulfide normalizations[J].Environ Toxicol Chem,1996,15:2 080-2 094.

ANKLEY G T,LEONARD E N,MATTSON V R.Prediction of bioaccumulation of metals from contaminated sediments by the oligochaete[J].Water Res,1994,28:1 071-1 076.

PESCH C E,HANSEN D J,BOOTHMAN W S,et al.The role of acid-volatile sulfide and interstitial water metal concentrations in determining bioavailability of cadmium and nickel from contaminated sediments to the marine polychaete Neanthes arenaceodentata [J].Environ Toxicol Chem,1995,14:129-141.

BERRY W J,CANTWELL M G,EDWARDS P A,et al.Predicting toxicity of sediments spiked with silver[J].Environ Toxicol Chem,1999,18:40-48.

闫启仑,马德毅,郭皓.锦州湾沾污沉积物急性毒性的海洋端足类检验[J].海洋与湖沼,1999,30(6):629-634.

陈淑梅,王菊英,马德毅,等.酸溶硫化物与沉积物中重金属化学活性的关系[J].海洋环境科学,1999,18(3):16-21.

韩建波,王菊英,陈淑梅,等.平衡分配法评价有毒金属沾污沉积物的应用研究[J].海洋环境科学,2001,20(4):5-8.

国家海洋局.海洋监测规范[S].北京,海洋出版社,1998.

American Society for Testing and Materials.Guide for conducting 10-day static sediment toxicity tests with marine and estuarine amphipods.E 1367-92.Annual Book of ASTM Standards:Vol.11.05[S].Philadelphia,PA:Americau Society for Testing and Materials,1995.767-792.

MEARNS A J,SWARTZ R C,CUMMINS J M,et al.Inter-laboratory comparison of a sediment toxicity test using the marine amphipod Rhepoxynius abronius[J].Mar Environ Res,1986,19:13-37.

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