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Bird population trends detected by the North American breeding bird survey

Polish Ecological Studies

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Abstract

Continental populations of most bird species have remained quite stable since 1966, but there have been many regional changes associated with migration disasters, breeding failures and range expansions, and a few dramatic increases in populations of introduced species. These changes often are better represented by curvilinear than by linear regressions.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Bird population trends detected by the North American breeding bird survey
Series title:
Polish Ecological Studies
Volume
3
Issue:
4
Year Published:
1977
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
131-143
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Polish Ecological Studies
First page:
131
Last page:
143
Number of Pages:
13