非生物因子对河蚬重金属富集量的影响

生态学杂志 ›› 2005, Vol. ›› Issue (9): 1017-1020.

非生物因子对河蚬重金属富集量的影响

李丽娜, 陈振楼, 许世远, 毕春娟

华东师范大学地理信息科学教育部重点实验室, 上海, 200062

收稿日期:2004-09-18 修回日期:2004-12-16 出版日期:2005-09-10
通讯作者: 李丽娜,女,1979年生,博士研究生.主要从事河口滨岸重金属生态效应与城市水环境研究.E-mail:vlln@etang.com
基金资助:
国家自然科学基金项目(40131020和40173030);上海市基础研究重点项目(02DJ14029);上海市环保局项目和教育部优秀青年教师资助项目

Effects of abiotic factors to the accumulation of heavy metals by Corbicula fluminea

LI Lina, CHEN Zhenlou, XU Shiyuan, BI Chunjuan

Key Laboratory of Geo-Information Sciences Ministry of Education, East China Normal University, Shanghai 200062, China

Received:2004-09-18 Revised:2004-12-16 Online:2005-09-10

摘要/Abstract

摘要： 对影响长江口滨岸带河蚬体内重金属富集量的4个主要非生物因子依次进行分析。结果表明,较高温度有助于河蚬对Cu、Zn、Cr、Ni的吸收;盐度对河蚬的重金属累积量影响比较复杂,仅在秋季表现出一定相关性,春季盐度影响不大;河蚬体内Cu含量与沉积物粒径存在显著正相关,Zn与沉积物中有机质含量存在一定正相关,Pb与沉积物中有机质含量存在着负相关;河蚬体内重金属元素两两间的相关性明显,多种元素间的相互作用机理值得进一步探讨。

关键词: 苏云金芽胞杆菌, 绿色荧光蛋白基因(gfp), 杀虫晶体蛋白基因, 水平转移

Abstract: Four main abiotic factors which affect the accumulation of heavy metals by Corbicula fluminea along the coastal zone of Yangtze Estuary were analyzed.The results showed that higher temperature did help to accumulate copper,zinc,chromium and nickel by Corbicula fluminica.The effect of salinity to the accumulation of heavy metals was relatively complicated,only showing definite correlation in autumn.The concentration of copper in C.fluminea showed dramatically positive correlation with the particle size of sediment.The concentration of zinc showed definite positive correlation with organic content of sediment,while lead was relative to zinc.The pairwise correlation between heavy metals in C.fluminea was significant.The mechanism of interaction among different heavy metals deserved further investigation.

Key words: Bacillus thuringiensis, Green fluorescent gene gfp, Insecticide crystal gene protein gene cry, Horizontal gene transfer

中图分类号:

Q142

李丽娜, 陈振楼, 许世远, 毕春娟. 非生物因子对河蚬重金属富集量的影响[J]. 生态学杂志, 2005, (9): 1017-1020.

LI Lina, CHEN Zhenlou, XU Shiyuan, BI Chunjuan. Effects of abiotic factors to the accumulation of heavy metals by Corbicula fluminea[J]. cje, 2005, (9): 1017-1020.