Levels of heavy metals in commercial fish species from the near-shore of Zhejiang Province(浙江沿海经济鱼类体内重金属的残留水平)
2006年秋季采集浙江沿海主要经济鱼类6种,分析检测了鱼肉组织中重金属铜、铅、锌、镉、铬、汞、砷的质量分数.研究发现6种鱼类样品中重金属质量分数具有锌>铜>砷>铅、汞>铬>镉的分布特征.聚类分析显示,重金属质量分数综合水平为弹涂鱼>鲻鱼>白姑鱼>凤鲚>龙头鱼>菊黄东方鲀.鱼类体内重金属质量分数与海水和沉积物中的质量分数相关,但是在环境中重金属质量分数低的情况下,其自身的生理特性及摄食途径是决定性影响因子.鱼类体内的汞质量分数与水层密切相关,表现为底层>中下层>中上层的分布趋势.通过不同时空的比较,发现鱼体内重金属质量分数的...
Main Authors: | SUNWei-ping(孙维萍), LIUXiao-ya(刘小涯), PANJian-ming(潘建明), WENGHuan-xin(翁焕新) |
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Format: | Article |
Language: | zho |
Published: |
Zhejiang University Press
2012-05-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
Subjects: | |
Online Access: | https://doi.org/10.3785/j.issn.1008-9497.2012.03.021 |
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