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

Appendix


Table 1. Predator surveys in study areas in the prairie pothole region, 1983-88.a

Areab Years Predator Surveys and Method of Survey
Striped Skunk (live- trapping) Franklin's ground squirrel (live- trapping) Carnivore tracks (counts) Predator sightings (counts) Corvids (road transect counts) Avian predators (nest counts)
Canada
Alberta
Gayford 1985 Xc X X X X X
Hay Lakes* 1983-84 X X X X X X
Holden* 1983 X X X X X X
Penhold* 1984-85 X X X X X X
Manitoba
Cartwright 1983 X X X X X X
Moore Park* 1983-84 X X X X X X
Saskatchewan
Ceylon 1983-84 X X X X X X
Craik 1984-85 X X X X X X
Denzil 1984-85 X X X X X X
Earl Grey* 1985 X X X X X X
Goodwater 1983 X X X X X X
Hanley* 1983-85 X X X X X X
Inchkeith* 1984-85 X X X X X X
Leask* 1984-85 X X X X X Xd
Shamrock 1983-85 X X X X X X
Yorkton* 1985 X X X X X X
United States
Minnesota
Hawley* 1987-88     X X   X
Hitterdal* 1988     X X   X
Lake Park* 1987-88     X X   X
Montana
Plentywood 1983   X Xe,f X X  
Morgan 1983   X Xe X X  
North Dakota
Courtenay 1988     X X   X
Eldrige 1987-88     X X   X
Fredonia 1987-88     X X   X
Jud 1987-88     X X   X
Kulm 1988     X X   X
Litchville 1987-88     X X   X
Plaza 1983   X Xf X X  
Sharon 1983   X Xf X X  
Streeter 1983   X Xf X X  
South Dakota
Hosmer 1983   X Xf X X  
Madison 1983   X Xf X X  
Parkston 1983   X Xf X X  

aSearches were incomplete during 1983.
bStudy areas denoted with an asterisk (*) are in the aspen parkland, all others are in the prairie.
cAn (X) denotes that the particular survey was conducted annually during all indicated years.
dSearches limited to 21 quarter sections during 1984; included were searches in all quarter sections in the eastern 7.2 km of the study area.
eOnly one search was conducted.
fTrack search was limited to 19 quarter sections in the western 9.6 km of the study area.


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