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 | ||||||||
| 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 | |
| 1988 | 128 | 2 | 6 | 22 | 1 | 1 | 0 | 0 | 0 | ||
| North Dakota | |||||||||||
| Eldrige | 1987 | 65 | 2 | 0 | 7 | 0 | 0 | 0 | 0 | 12 | |
| 1988 | 65 | 0 | 1 | 6 | 0 | 0 | 0 | 0 | 4 | ||
| Fredonia | 1987 | 303 | 0 | 5 | 20 | 1 | 0 | 0 | 8 | 13 | |
| 1988 | 303 | 1 | 4 | 26 | 2 | 0 | 0 | 2 | 7 | ||
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