Waterfowl Production on the Woodworth Station
in South-central North Dakota, 1965-1981
Table 34. Average ducklings hatched (ducklings per 40.5 ha) in habitat
treatments by species,
Woodworth Study Area, 1966-81.
Table 34. Average ducklings hatched (ducklings per 40.5 ha) in habitat
treatments by species,
Woodworth Study Area, 1966-81.
Habitat and treatment |
Ha searched |
Mallard |
Gadwall |
Northern pintail |
Green-winged
teal |
Blue-winged
teal |
Northern shoveler |
American wigeon |
Lesser scaup |
Total |
Native prairie |
Burned |
3,279 |
2.10 |
9.22 |
1.95 |
0.38 |
28.92 |
2.44 |
0.99 |
0.88 |
46.86 |
Grazed |
1,273 |
1.37 |
9.60 |
0.95 |
1.11 |
26.26 |
0.32 |
0.0 |
1.05 |
40.65 |
Idle |
902 |
6.82 |
12.38 |
4.39 |
2.91 |
37.22 |
4.62 |
0.94 |
1.39 |
70.67 |
Seeded cover |
Burned |
397 |
6.53 |
28.57 |
4.80 |
1.02 |
35.61 |
4.18 |
2.04 |
1.12 |
83.88 |
Grazed |
48 |
0.0 |
0.0 |
7.63 |
0.0 |
6.78 |
7.63 |
0.0 |
0.0 |
22.03 |
Idle |
1,037 |
19.47 |
30.67 |
15.02 |
1.05 |
62.04 |
9.48 |
3.32 |
0.43 |
141.47 |
Cropland |
Standing crop |
376 |
0.0 |
0.86 |
0.86 |
0.0 |
6.02 |
0.0 |
0.0 |
1.18 |
8.93 |
Stubble |
285 |
0.0 |
0.0 |
0.0 |
0.0 |
0.85 |
0.0 |
0.0 |
0.0 |
0.85 |
Mulched stubble |
75 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
Summer fallow |
82 |
4.9 |
0.0 |
4.42 |
0.0 |
11.36 |
0.0 |
0.0 |
0.0 |
20.83 |
Previous Section -- Table 33.
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