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DOI10.1016/j.envpol.2014.01.020
Mercury distribution in the foliage and soil profiles of the Tibetan forest: Processes and implications for regional cycling
Gong, Ping; Wang, Xiao-ping; Xue, Yong-gang; Xu, Bai-qing; Yao, Tan-dong
发表日期2014
ISSN0269-7491
卷号188页码:94-101
英文摘要

Remote forests are considered a pool of Mercury (Hg) in the global Hg cycle. However, notably few studies have investigated the fate of Hg in the Tibetan forest. In this study, fifty-two foliage samples and seven litter/soil profiles were collected throughout the Tibetan forest. The concentrations of total Hg (THg) in foliage were positively correlated with longitude and negatively correlated with altitude, indicating that the emission of Hg is expected to decrease with increasing distance from emission sources to the Tibetan forest. The deposition flux of THg in the Tibetan forest (with an air-to-forest ground flux of 9.2 mu g/m(2)/year) is 2 times the flux in clearings, which is suggestive of enhanced Hg deposition by the forest. The depositional Hg is eventually stored in the forest soil, and the soil acts as a net ‘sink‘ for Hg. (C) 2014 Elsevier Ltd. All rights reserved.


英文关键词Mercury (Hg);High-altitude forest;Longitudinal/altitudinal distribution;Forest filter effect;Storage
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS记录号WOS:000334001000013
来源期刊ENVIRONMENTAL POLLUTION
来源机构中国科学院青藏高原研究所
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/403
推荐引用方式
GB/T 7714
Gong, Ping,Wang, Xiao-ping,Xue, Yong-gang,et al. Mercury distribution in the foliage and soil profiles of the Tibetan forest: Processes and implications for regional cycling[J]. 中国科学院青藏高原研究所,2014,188:94-101.
APA Gong, Ping,Wang, Xiao-ping,Xue, Yong-gang,Xu, Bai-qing,&Yao, Tan-dong.(2014).Mercury distribution in the foliage and soil profiles of the Tibetan forest: Processes and implications for regional cycling.ENVIRONMENTAL POLLUTION,188,94-101.
MLA Gong, Ping,et al."Mercury distribution in the foliage and soil profiles of the Tibetan forest: Processes and implications for regional cycling".ENVIRONMENTAL POLLUTION 188(2014):94-101.
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