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Description: |
iii, 96 pages : illustrations, maps ; 26 cm. |
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Summary, Etc. Note: |
Abstract: During the period 1983 to 1988, the relative abundance of 18 species--groups of mammalian and avian predators affecting duck production in the prairie pothole region was determined in 33 widely scattered study areas ranging size from 23 to 26 square km. |
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Bibliography Note: |
Includes bibliographical references (pages 64-73). |
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Elect. Loc./Access: |
HTML version. https://purl.fdlp.gov/GPO/LPS47552 0 |