Accounting for the Fraction of Carcasses outside the Searched Area and the Estimation of Bird and Bat Fatalities at Wind Energy Facilities

01/25/2022

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by   Daniel Dalthorp, et al.

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In estimating bird and bat mortality at wind turbines, it is essential to account for carcasses that lie outside the searched area. In this manuscript we explore some of the difficulties and nuances involved in the spatial prediction of the number of carcasses that lie outside the searched area and provide extensive guidance and documentation for a new R package (dwp) for modeling carcass density as a function of distance from a turbine and estimation of the fraction of carcasses lying within the searched area, which is a critical parameter in fatality estimation software such as GenEst, eoa, acmeR, and carcass.