Waterfowl Production on the Woodworth Station
in South-central North Dakota, 1965-1981
Table 17. Percent of upland duck nests occurring by vegetation types,
Woodworth Study Area, 1966-81.
Table 17. Percent of upland duck nests occurring by vegetation types,
Woodworth Study Area, 1966-81.
|
Nests |
Vegetation type |
Species |
n |
Marsh |
Brush |
Forb |
Grass |
Mallard |
329 |
5 |
21 |
27 |
34 |
Gadwall |
611 |
1 |
30 |
33 |
22 |
Northern pintail |
183 |
2 |
14 |
30 |
45 |
Green-winged teal |
54 |
0 |
33 |
26 |
39 |
Blue-winged teal |
1,973 |
1 |
8 |
11 |
67 |
Northern shoveler |
171 |
0 |
4 |
15 |
68 |
American wigeon |
55 |
4 |
35 |
31 |
27 |
Lesser scaup |
53 |
9 |
0 |
8 |
75 |
Total |
3,429 |
1 |
14 |
18 |
54 |
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