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Title: Avian Monitoring and Risk Assessment at the San Gorgonio Wind Resource Area

Technical Report ·
DOI:https://doi.org/10.2172/15020049· OSTI ID:15020049

The primary objective of this study at the San Gorgonio Wind Resource Area was to estimate and compare bird utilization, fatality rates, and the risk index among factors including bird taxonomic groups, wind turbine and reference areas, wind turbine sizes and types, and geographic locations. The key questions addressed to meet this objective include: (1) Are there any differences in the level of bird activity, called ''utilization rate'' or ''use'', with the operating wind plant and within the surrounding undeveloped areas (reference area)?; (2) Are there any differences in the rate of bird fatalities (or avian fatality) within the operating wind plant or the surrounding undeveloped areas (reference area)?; (3) Does bird use, fatality rates, or bird risk index vary according to the geographic location, type and size of wind turbine, and/or type of bird within the operating wind plant and surrounding undeveloped areas (reference area)?; and (4) How do raptor fatality rates at San Gorgonio compare to other wind projects with comparable data?

Research Organization:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC36-99-GO10337
OSTI ID:
15020049
Report Number(s):
NREL/SR-500-38054; ZAT-6-15179-02; TAM-7-16454-01; TRN: US200518%%220
Resource Relation:
Related Information: Phase I Field Work: March 3, 1997 - May 29, 1998; Phase II Field Work: August 18, 1999 - August 11, 2000; Work performed by State Energy Resources Conservation and Development Commission, Sacramento, California and Western EcoSystems Technology, Inc., Cheyenne, Wyoming
Country of Publication:
United States
Language:
English