Aquatic Habitats of Breeding Waterfowl

  • George A. Swanson


A unique combination of glaciation and climatic conditions in the Prairie Pothole Region has produced abundant, biologically productive wetlands (Leitch, 1964). Wetlands in a major portion of this region are dominated by a moisture deficit, and much of the surface water is non-integrated. Non-integrated basins have the potential to impound large volumes of water and undergo longterm, rather extreme changes in water depth and biotic conditions in response to climatic trends. An assessment of the role of wetlands in supporting breeding waterfowl must include the long-term cycles common to these dynamic aquatic ecosystems.


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© Donal D. Hook 1988

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  • George A. Swanson

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