Waterfowl Production on the Woodworth Station
in South-central North Dakota, 1965-1981
Table 18. Percent upland duck nests that occurred in subjectively rated
cover,
Woodworth Study Area, 1966-81.
Table 18. Percent of upland duck nests that occurred in subjectively
rated cover, Woodworth Study Area, 1966-81.
|
Nests |
Cover quality |
Species |
n |
Poor |
Fair |
Good |
Excellent |
Mallard |
324 |
7 |
34 |
42 |
18 |
Gadwall |
609 |
1 |
33 |
50 |
16 |
Northern pintail |
183 |
16 |
51 |
24 |
9 |
Green-winged teal |
53 |
4 |
47 |
36 |
13 |
Blue-winged teal |
1,958 |
8 |
71 |
18 |
2 |
Northern shoveler |
169 |
6 |
66 |
27 |
2 |
American wigeon |
55 |
2 |
40 |
47 |
11 |
Lesser scaup |
51 |
4 |
57 |
31 |
8 |
Total |
3,402 |
7 |
58 |
28 |
7 |
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