Nest site selection by blue-winged teal (Anas discors) in northwest Iowa / Neil Glenn Heiser.
Material type:
TextPublication details: Ames, IA : Iowa State University, 1971.Description: ii, 29 leaves ; 29 cmOnline resources: Abstract: Evaluation and management of waterfowl nesting habitat require a thorough knowledge of characteristics of the nest site that influence utilization. Weller (1964) speculated that nesting areas satisfy certain innate psychological requirements including both general habitat and nest site features. Macrohabitat features of nesting areas relate primarily to wetland quality and general upland physiography affecting pair and nest distribution. A positive correlation between wetland numbers and breeding pair densities in waterfowl was established by Evans and Black (1956). In addition, the period of availability of water was found to be an essential factor in the attractiveness of an area to nesting pairs (Anderson and Glover 1967). Adequate nesting cover in proximity to seasonal and semi-permanent potholes appears to be of equal importance (Drewien and Springer 1969, Dwyer 1970). When relating topographic features to nest site locations of blue-winged teal, Glover (1956) found a majority of
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Thesis(M.S.)--Iowa State University, 1971.
Includes bibliographical references (leaves 26-28).
Evaluation and management of waterfowl nesting habitat require a thorough knowledge of characteristics of the nest site that influence utilization. Weller (1964) speculated that nesting areas satisfy certain innate psychological requirements including both general habitat and nest site features. Macrohabitat features of nesting areas relate primarily to wetland quality and general upland physiography affecting pair and nest distribution. A positive correlation between wetland numbers and breeding pair densities in waterfowl was established by Evans and Black (1956). In addition, the period of availability of water was found to be an essential factor in the attractiveness of an area to nesting pairs (Anderson and Glover 1967). Adequate nesting cover in proximity to seasonal and semi-permanent potholes appears to be of equal importance (Drewien and Springer 1969, Dwyer 1970). When relating topographic features to nest site locations of blue-winged teal, Glover (1956) found a majority of