Factors influencing the density and distribution of breeding waterfowl in North-Central Montana
Continental waterfowl population declines in the early 1980s led to the development and implementation of the North American Waterfowl Management Plan. The plan identified wetland and grassland losses in the Prairie Pothole Region (PPR) of Canada and the United States as the major causes of low cont...
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| Language: | en |
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2011
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| Online Access: | http://etd.lib.montana.edu/etd/2011/fields/FieldsS0511.pdf |