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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
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