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Effects of military training activities on shrub-steppe raptors in southwestern Idaho, USA

Environmental Management

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, , , and

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Abstract

Between 1991 and 1994, we assessed relative abundance, nesting success, and distribution of ferruginous hawks (Buteo regalis), northern harriers (Circus cyaneus), burrowing owls (Athene cunicularia), and short-eared owls (Asio flammeus) inside and outside a military training site in the Snake River Birds of Prey National Conservation Area, southwestern Idaho. The Orchard Training Area is used primarily for armored vehicle training and artillery firing by the Idaho Army National Guard. Relative abundance of nesting pairs inside and outside the training site was not significantly different from 1991 to 1993 but was significantly higher on the training site in 1994 (Pa??a??a??0.03). Nesting success varied among years but was not significantly different inside and outside the training site (Pa??>a??0.26). In 1994, short-eared owl and burrowing owl nests were significantly closer to firing ranges used early in the spring before owls laid eggs than were random points (Pa??

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Effects of military training activities on shrub-steppe raptors in southwestern Idaho, USA
Series title:
Environmental Management
Volume
23
Issue:
3
Year Published:
1999
Language:
English
Contributing office(s):
Forest and Rangeland Ecosystem Science Center
Description:
p. 409-417
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Environmental Management
First page:
409
Last page:
417