Environmental Science
8 years ago

Heavy metal pollution threatens Pearl River Estuary ecosystem and communities.

Acta Scientiae Circumstantiae
Background values and contamination of heavy metals in sediments from the Pearl River Estuary
Yue Ma

Paper Summary

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The researchers estimated the natural levels of heavy metals in sediments of the Pearl River Estuary. They found that copper, lead, zinc, chromium, and nickel had background values of 16.1, 21.9, 94.3, 69.3, and 30.3 μg·g-1, respectively. The sediments near the Pearl River outlets were more heavily polluted. Over time, heavy metal pollution increased due to human activities in the Pearl River Delta.