赵芊渊;侯俊;王超;王沛芳;苗令占;吕博文;顾起豪;

• 1:河海大学教育部浅水湖泊综合治理与资源开发重点实验室
• 2:河海大学环境学院
• 3:华北水利水电大学

摘要(Abstract)：

目前广泛使用的水质基准推导方法—物种敏感度分布法存在曲线拟合模型不确定、曲线拟合效果不佳、种内差异欠考虑、基准值不准确等诸多问题,概率物种敏感度分布法可有效解决上述问题。应用概率物种敏感度分布法构建了太湖水体中5种重金属Ag、Pb、Cd、Hg和Zn的概率物种敏感度分布曲线,在此基础上得到了保护水生生物的急性水质基准分别为1.079μg·L~(-1)、637.973μg·L~(-1)、19.465μg·L~(-1)、8.729μg·L~(-1)和105.506μg·L~(-1),慢性水质基准分别为0.108μg·L~(-1)、63.797μg·L~(-1)、1.947μg·L~(-1)、2.340μg·L~(-1)和52.753μg·L~(-1);不同类群间生物对重金属的敏感度存在差异,不同重金属对同一类群生物的毒性也存在差异;通过与国内外已有的重金属水质基准值比较,发现水质基准具有明显的区域性,目前基于国外水质基准或我国整体水域特点来制定的太湖水质标准,往往造成对太湖水生生物欠保护或过保护的状况。

关键词(KeyWords)： 概率物种敏感度分布;水生生物;水质基准;重金属;太湖

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金创新群体项目(51421006);国家自然科学基金(41430751;51479047;51479065);; 国家杰出青年基金项目(51225901);; 国家十二五水专项课题(2012ZX07101-008);; 教育部创新团队发展计划(IRT13061);; 中国水利学会“青年人才助力计划”项目;; 江苏高校优势学科建设工程资助项目

作者(Author): 赵芊渊;侯俊;王超;王沛芳;苗令占;吕博文;顾起豪;

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