Impact of coal mining on stream biodiversity in the US and its regulatory implications

Xingli Giam (), Julian D. Olden and Daniel Simberloff
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Xingli Giam: The University of Tennessee
Julian D. Olden: University of Washington
Daniel Simberloff: The University of Tennessee

Nature Sustainability, 2018, vol. 1, issue 4, 176-183

Abstract: Abstract Coal mining is a major cause of land-use change in the US, and according to the Energy Information Administration it is expected to remain a key part of the national electricity portfolio until at least 2040. It is therefore crucial to understand the environmental impact of coal mining. Although a scientific consensus has emerged that coal mining negatively affects water quality, a quantitative synthesis of biodiversity impacts is currently lacking. Here, we show that mining under current federal statutes—the 1972 Clean Water Act and the 1977 Surface Mining Control and Reclamation Act—has negative implications for freshwater biota. Streams affected by coal mining averaged one-third (32%) lower taxonomic richness and one-half (53%) lower total abundance than unmined streams, with these impacts occurring across all taxa investigated thus far (invertebrates, fish, and salamanders). Even after post-mining reclamation, biodiversity impacts persisted. Our investigation demonstrates that current US regulations are insufficient to fully protect stream biodiversity.

Date: 2018
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DOI: 10.1038/s41893-018-0048-6

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