Significant Decrease in Heavy Metals in Surface Sediment after Ten-Year Sustainable Development in Huaxi Reservoir Located in Guiyang, Southwestern China.

Int J Environ Res Public Health · 2021 · PMC8304768 · PMID 34300137

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an increasing trendno p-value reported

increase decrease pattern The spatial patterns of heavy metals in a natural river, generally, display an increasing trend following the water flow direction.

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a decreasing trendno p-value reported

In the downstream of Zhengshan Village, the content of heavy metals displays a decreasing trend following water flow direction, which is different from the patterns in 2019.

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