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Distribution and Abundance of Predators that Affect
Duck Production: Prairie Pothole Region

Tables


Table 1. Habitat composition (%) of study areas in the prairie pothole region where predator populations were assessed during 1 or more years, 1983-88.

Areab Habitat Typesa
CroplandGrasslandc Woodland Wetland Odd Aread Barrene
Canada
Alberta
Gayford305011441
Hay Lakes*4423101651
Holden*452471751
Penhold*502151951
Manitoba
Cartwright66192761
Moore Park*62861491
Saskatchewan
Ceylon5631trf931
Craik8431751
Denzil7691761
Earl Grey8024861
Goodwater5036tr941
Hanley*701121151
Inchkeith*71104581
Leask*4026161251
Shamrock5929tr741
Yorkton*452514115tr
United States
Minnesota
Hawley452412145tr
Hitterdal61126174tr
Lake Park57175174tr
Montana
Morgan177904trtr
Plentywood4537tr162tr
North Dakota
Courtenay71111125tr
Eldridge816292tr
Fredonia1237tr465tr
Jud58211146tr
Kulm33431194tr
Litchville54202204tr
Plaza5527tr153tr
Sharon797tr104tr
Streeter4038tr148tr
South Dakota
Hosmer3649tr105tr
Madison7216tr57tr
Parkston4740175tr

aHabitat determinizations were by the U.S. Fish and Wildlife Serice National Wetland Inventory from interpretations of aerial photographs of May and July 1982 (all study areas in Canada, Montana, South Dakota, and the Plaza, Sharon, and Streeter study areas in North Dakota) and from outdated photography that was ground-truth corrected in 1987 (all areas in Minnesota and in the Courtenay, Eldridge, Fredonia, Jud, Kulm, and Litchville study areas in North Dakota). See Cowardin et al. (1985) and Greenwood et al. (1987) for details of habitat classification.
bStudy areas denoted with an asterisk (*) are in the aspen parkland, all others are in the prairie.
cIncludes hayland.
dIncludes many different small features such as farmsteads and gravel pits (Cowardin et al. 1985).
eBarren habitats are roads and similar non-farmed areas.
ftr = <0.50%.

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