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Monday, January 28 • 3:40pm - 4:00pm
(SYMPOSIA-05) “Big Data” Approach to Understanding Wildlife Collision Risk at Wind Farms

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AUTHORS: Ryan Butryn, Taber Allison – American Wind Wildlife Institute

ABSTRACT: The American Wind Wildlife Institute (AWWI) has developed a database of post-construction fatality monitoring data containing hundreds of studies, many of which have been unavailable for analysis.  We present the results from our first analysis of more than 200 studies at 140 projects from across the U.S.  The size of our data set enables us to evaluate fatality rates and incident data on a biologically relevant regional scale (e.g., avian migration flyways, bird conservation regions). Bird and bat fatalities have been observed at almost all wind facilities; however, the species composition and number of fatalities varies greatly among these facilities. Our results show substantial differences in regional variation in bird and bat fatality estimates indicating different underlying patterns affecting collision risk in these two groups.  We also found bird and bat species assemblages detected by post construction surveys also varied substantially by region.  We will provide examples of how increased data availability provided by AWWI can help reduce uncertainties in risk and impact assessment and inform focused and effective fatality reduction measures.  

Monday January 28, 2019 3:40pm - 4:00pm

Attendees (2)