Baseline avian use and behavior at the CARES wind plant site, Klickitat County, Washington

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This report presents a literature review on avian-wind turbine interactions and the results of a one-year avian baseline study conducted in 1998 at the proposed Conservation and Renewable Energy System (CARES) wind development site in Klickitat County, Washington. Avian use of the site ranged from 1.11/survey in the winter to 5.69/survey in the spring. Average use by passerines in the study plots ranged from 1.15 minutes/survey in the winter to 40.98 minutes/survey in the spring. Raptors spent much less time within plots than other groups, ranging from 0.05 minutes/survey in the winter to 0.77 minutes/survey during the fall. Thirteen percent ... continued below

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Erickson, W. P.; Johnson, G. D.; Strickland, M. D.; Kronner, K.; Becker, P. S. & Orloff, S. January 3, 2000.

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Description

This report presents a literature review on avian-wind turbine interactions and the results of a one-year avian baseline study conducted in 1998 at the proposed Conservation and Renewable Energy System (CARES) wind development site in Klickitat County, Washington. Avian use of the site ranged from 1.11/survey in the winter to 5.69/survey in the spring. Average use by passerines in the study plots ranged from 1.15 minutes/survey in the winter to 40.98 minutes/survey in the spring. Raptors spent much less time within plots than other groups, ranging from 0.05 minutes/survey in the winter to 0.77 minutes/survey during the fall. Thirteen percent of all flying birds were within the rotor-swept height (25 to 75 m); 41.6% of all raptors were flying at this height. Raptors with the greatest potential turbine exposure are red-tailed hawks and golden eagles. Passerines with the highest turbine exposure are common ravens, American robins, and horned larks. Spatial use data for the site indicate that avian use tends to be concentrated near the rim, indicating that placing turbines away from the rim may reduce risk. Avian use data at the CARES site indicate that if a wind plant is constructed in the future, avian mortality would likely be relatively low.

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  • Other Information: PBD: 3 Jan 2000

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  • Report No.: NREL/SR--500-26902
  • Grant Number: AC36-99GO10337
  • DOI: 10.2172/752420 | External Link
  • Office of Scientific & Technical Information Report Number: 752420
  • Archival Resource Key: ark:/67531/metadc712001

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  • January 3, 2000

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  • Sept. 12, 2015, 6:31 a.m.

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  • March 29, 2016, 4:04 p.m.

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Erickson, W. P.; Johnson, G. D.; Strickland, M. D.; Kronner, K.; Becker, P. S. & Orloff, S. Baseline avian use and behavior at the CARES wind plant site, Klickitat County, Washington, report, January 3, 2000; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc712001/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.