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Techniques and results of nongame bird monitoring in North America

held September 24-28, 1979.
By:
, , and
Edited by:
H. Oelke

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Abstract

Long-term bird population trends based on accumulated ratios (proportional change) sometimes give a very misleading view of population change. Alternate methods of representing population change, based on the weighted means for the individual years, avoid the dangers of using ratios. Some advantages and disadvantages of various weighting techniques are discussed.

Additional Publication Details

Publication type:
Book chapter
Publication Subtype:
Book Chapter
Title:
Techniques and results of nongame bird monitoring in North America
Year Published:
1980
Language:
English
Publisher:
Dachverband Deutscher Avifaunisten
Publisher location:
Gottingen, West Germany
Contributing office(s):
Patuxent Wildlife Research Center
Description:
300
Larger Work Type:
Book
Larger Work Subtype:
Other Government Series
Larger Work Title:
Bird Census Work and Nature Conservation. Proceedings VI of the International Conference on Bird Census Work.
First page:
82
Last page:
91