Distribution of Methyl Mercury in Rana chensinensis and Environmental Media in Gold-mining Areas of Upper Reaches of Songhua River, China

被引：5

作者：

Wang Ning ^{[1
]}

Zhang Gang ^{[1
]}

Liu Te ^{[1
]}

Cai Qingxiang ^{[1
]}

机构：

[1] NE Normal Univ, Coll Urban & Environm Sci, Changchun 130024, Peoples R China

来源：

CHINESE GEOGRAPHICAL SCIENCE | 2010年 / 20卷 / 04期

基金：

中国国家自然科学基金;

关键词：

methyl mercury; Rana chensinensis; environmental pollution; gold-mining area; Songhua River; FRESH-WATER; FISH; BIOACCUMULATION; CONTAMINATION; METHYLMERCURY; POLLUTION; EXPOSURE; AMAZON;

D O I：

10.1007/s11769-010-0405-5

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The distribution characteristics of methyl mercury in Rana chensinensis and water, sediment and soil in gold-mining areas of the upper reaches of the Songhua River, China were studied by field sampling and laboratory testing. The results show that the methyl mercury contents in water, sediment and soil in gold-mining areas are much higher than those in the control site, indicating that gold-mining activities intensify the methyl mercury pollution in the study area. Methyl mercury contents are in a descending order of sediment > soil > water in the environment, and in a descending order of brain > viscera > muscle > skin in Rana chensinensis. There are significant correlation between methyl mercury contents in Rana chensinensis and those in water and sediment. In particular, the methyl mercury content in the skin of Rana chensinensis is positively correlated with those in water and sediment in spring. Therefore, skin is one of main intake pathways for methyl mercury due to its high permeability.

引用

页码：330 / 336

页数：7

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