Wind farms have cascading impacts on ecosystems across trophic levels

Journal Article

Title: Wind farms have cascading impacts on ecosystems across trophic levels
Publication Date:
December 01, 2018
Journal: Nature Ecology & Evolution
Volume: 2
Issue: 12
Pages: 1854-1858
Publisher: Nature

Document Access

Website: External Link

Citation

Thaker, M.; Zambre, A.; Bhosale, H. (2018). Wind farms have cascading impacts on ecosystems across trophic levels. Nature Ecology & Evolution, 2(12), 1854-1858.
Abstract: 

Wind farms are a cleaner alternative to fossil fuels for mitigating the effects of climate change, but they also have complex ecological consequences. In the biodiversity hotspot of the Western Ghats in India, we find that wind farms reduce the abundance and activity of predatory birds (for example, Buteo, Butastur and Elanus species), which consequently increases the density of lizards, Sarada superba. The cascading effects of wind turbines on lizards include changes in behaviour, physiology and morphology that reflect a combination of predator release and density-dependent competition. By adding an effective trophic level to the top of food webs, we find that wind farms have emerging impacts that are greatly underestimated. There is thus a strong need for an ecosystem-wide view when aligning green-energy goals with environment protection.

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