Advantages in Mathematically Weighting Waterfowl Food Habits Data

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- pare...

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Bibliographic Details
Main Authors: Swanson, George A, Krapu, Gary L, Bartonek, James C, Serie, Jerome R, Johnson, Douglas H
Format: Text
Language:unknown
Published: DigitalCommons@University of Nebraska - Lincoln 1974
Subjects:
Other International and Area Studies
Northwest Territories
Great Slave Lake
Online Access:https://digitalcommons.unl.edu/usgsnpwrc/207
https://digitalcommons.unl.edu/context/usgsnpwrc/article/1207/viewcontent/Johnson_JWM_1974_Advantages_weighting_waterfowl.pdf
Description
Summary: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.

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