United States Geological Survey
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
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Date of this Version
1974
Abstract
The relative importance of various foods occurring in the diet of blue-winged teal (Anas discors), pintail (A. acuta), and gadwall (A. strepera) breeding in south-central North Dakota and lesser scaup (Aythya affinis) breeding in the vicinity of Great Slave Lake, Northwest Territories, are com- pared by the aggregate volume and aggregate percent methods. Advantages of the aggregate percent method are discussed in relation to the information presented.
Comments
Published in The Journal of Wildlife Management 38(2):302-307.