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Data Series 729

Fatality Estimator User’s Guide

By Manuela Huso, Nicholas Som, and Lew Ladd

Abstract

This publication is the User's Guide for software developed to estimate wildlife fatalities at wind-power facilities, although the software is applicable to a variety of circumstances in which the objective is to estimate the size of a superpopulation and the probability of detection of the individuals is less than one. Simple counts of carcasses do not accurately reflect fatality and do not allow comparison among locations because carcasses may be detected at different rates. This software uses data collected during carcass searches and knowledge of detection rates to accurately estimate the number of fatalities and to provide a measure of precision associated with the estimate. These estimates are fundamental to understanding acute and cumulative effects of wind power on wildlife populations.

First posted December 11, 2012

For additional information contact:
Director, Forest and Rangeland Ecosystem Science Center,
U.S. Geological Survey, 777 NW 9th Street
Corvallis, Oregon 97330
http://fresc.usgs.gov

Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.


Suggested citation:

Huso, Manuela, Som, Nicholas, and Ladd, Lew, 2012, Fatality estimator user’s guide: U.S. Geological Survey Data Series 729, 22 p.



Contents

Abstract

Introduction

Getting Started

Main Page

Tutorial

Details

References Cited

Appendix A. Flow Chart of Estimation Process and Bootstrap Variance


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