Effects of shrub coverages on birds of North Dakota mixed-grass prairies

Canadian Field-Naturalist
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We studied the distribution and density of passerine birds in relation to Wolfberry (Symphoricarpos occidentalis) and Silverberry (Elaeagnus commutata) shrub coverages on mixed-grass prairies of central North Dakota. Birds were counted along shrubby and shrubless transects during the 1982 breeding season. Species richness and total density of birds were greater on shrubby transects. Five species were more abundant on shrubby transects. Availability of woody nesting substrates best explained differences in bird species abundances. Differences in shrub coverages between transects were probably the result of different land-use practices. Land management practices which modify shrub coverages can alter the composition of passerine bird communities.
Publication type Article
Publication Subtype Journal Article
Title Effects of shrub coverages on birds of North Dakota mixed-grass prairies
Series title Canadian Field-Naturalist
Volume 100
Issue 1
Year Published 1986
Language English
Contributing office(s) Northern Prairie Wildlife Research Center
Description 5 p.
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Canadian Field-Naturalist
First page 10
Last page 14
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