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

Appendix

Table 3. Numbers of adult predators removed annually during April-June from tracts of federal land managed for waterfowl production in the center of each of three small unit management study areas in the prairie pothole region, 1987-88.

Area		Year	Size of tract (ha)	Species
Area		Year	Size of tract (ha)	Red Fox	Raccoon	Striped Skunk	Badger	Mink	Ermine	Long- tailed weasel	Franklin's Ground Squirrel
Minnesota
	Lake Park	1987	63	0	11	22	0	2	1	0	0
	Lake Park	1988	128	2	6	22	1	1	0	0	0
North Dakota
	Eldrige	1987	65	2	0	7	0	0	0	0	12
	Eldrige	1988	65	0	1	6	0	0	0	0	4
	Fredonia	1987	303	0	5	20	1	0	0	8	13
	Fredonia	1988	303	1	4	26	2	0	0	2	7

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

Appendix

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