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Using Deuterium And Garp To Estimate Geographic Extents Of Source Populations Of Hoary ( Lasiurus Cinereus ) And Eastern Red ( Lasiurus Borealis ) Bats Killed At A Central Illinois Wind Facility, Rachael Anne Van Essen
Using Deuterium And Garp To Estimate Geographic Extents Of Source Populations Of Hoary ( Lasiurus Cinereus ) And Eastern Red ( Lasiurus Borealis ) Bats Killed At A Central Illinois Wind Facility, Rachael Anne Van Essen
Theses and Dissertations
High bat mortality at wind energy facilities is a widely cited conservation issue, but the population-level impacts are not understood. In Illinois, the main species affected are migratory tree bats like the Hoary (Lasiurus cinereus) and Eastern Red (Lasiurus borealis).This research used deuterium isotope analysis of hair combined with ecological niche modeling (GARP: Genetic Algorithm for Rule-set Prediction) in a novel way to map the geographic extents of Hoary and Eastern Red bat specimens salvaged at a single central Illinois wind facility from 2008-2010. Hair was chosen after determining that the claw is currently a problematic tissue due to a …