Bats, Bugs, and Wind Turbines - Is There a Connection?


Title: Bats, Bugs, and Wind Turbines - Is There a Connection?
Authors: Cochran, C.
Publication Date:
May 01, 2013
Thesis Type: Master's Thesis
Academic Department: College of Science and Engineering
Pages: 67

Document Access

Website: External Link


Cochran, C. (2013). Bats, Bugs, and Wind Turbines - Is There a Connection?. Master's Thesis, Texas Christian University.

Large numbers of migratory tree-bats are being killed at wind turbines worldwide and it remains unclear why this is happening. The purpose of this study was to test the hypothesis that prey items for bats are abundant in the immediate vicinity of wind turbines. During the 2012 fall migratory season (July to October), we used light taps and malaise traps to sample the aerial invertebrate community at Wolf Ridge Wind, LLC, in north-central Texas. Overall, we collected more invertebrates and a greater number of species earlier in the season compared to later in the season and the use of malaise traps significantly added to invertebrate diversity yielded by light traps. Invertebrate abundance and species richness did not differ between the base of turbines and 400 m away, but compilation of data from previous bat diet studies suggested that the area around wind turbines provided foraging resources for local bats. Further research is needed, however, to determine if bats are attracted to wind turbines as a foraging resource.

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