Resource Documents by Szewczaik, Joseph
Arnett, Edward; Hein, Cris; Schirmacher, Michael; Huso, Manuela; and Szewczaik, Joseph
Evaluating the effectiveness of an ultrasonic acoustic deterrent for reducing bat fatalities at wind turbines
Abstract. Large numbers of bats are killed by wind turbines worldwide and minimizing fatalities is critically important to bat conservation and acceptance of wind energy development. We implemented a 2-year study testing the effectiveness of an ultrasonic acoustic deterrent for reducing bat fatalities at a wind energy facility in Pennsylvania. We randomly selected control and treatment turbines that were searched daily in summer and fall 2009 and 2010. Estimates of fatality, corrected for field biases, were compared between treatment and . . . Complete article »
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