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Effects of the herbicide glyphosate on avian community structure in the Oregon coast range

Forest Science

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Abstract

A study was conducted on vegetative changes induced by the herbicide glyphosate, and the resultant habitat use of birds nesting on two clearcuts in western Oregon. About 23 percent of total plant cover was initially damaged by aerial application of glyphosate. Most measures of vegetation on the treated site decreased relative to the untreated site 1 year after glyphosate application. By 2 years post-spray, vegetation on the treated site had recovered to near pre-spray status. No difference in density of the bird community was evident between treated and untreated sites during all years of study although individual species densities were modified. Several bird species decreased their use of shrub cover, and increased their use of deciduous trees 1 year after treatment. By 2 years post-spray, many species had returned to pre-spray use of most measured habitat components. Results indicated that application of glyphosate can modify the density and habitat use of birds.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Effects of the herbicide glyphosate on avian community structure in the Oregon coast range
Series title:
Forest Science
Volume
30
Issue:
1
Year Published:
1984
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
95-106
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Forest Science
First page:
95
Last page:
106
Number of Pages:
12