Spatial distribution of heavy metals in the West Dongting Lake floodplain, China

Environmental Science: Processes and Impacts
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Abstract

The protection of Dongting Lake is important because it is an overwintering and migration route for many rare and endangered birds of East Asia and Australasia, but an assessment of heavy metal contamination in West Dongting Lake is lacking. A total of 75 sediment samples (five sites x three sediment depths x five repeats) were collected in West Dongting Lake in January 2017 to assess the spatial distribution and ecological risk of heavy metal in West Dongting Lake. Heavy metal values varied by sediment depth including As, Cd, Zn, and Cu, with depth giving an indication of recent vs. historical deposition. The major input of Hg, Cu, Ni may come from continued anthropogenic activities related to regional industrial activities within Yuan River and Li River whereas, the major sources of spread Cd pollution may be from agricultural fertilizers.

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Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Spatial distribution of heavy metals in the West Dongting Lake floodplain, China
Series title Environmental Science: Processes and Impacts
DOI 10.1039/C9EM00536F
Volume 22
Year Published 2020
Language English
Publisher Royal Society of Chemistry
Contributing office(s) Wetland and Aquatic Research Center
Description 10 p.
First page 1256
Last page 1265
Country China
Other Geospatial West Dongting Lake floodplain
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