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Waterfowl Production on the Woodworth Station
in South-central North Dakota, 1965-1981

Table 39. Linear regression values between broods per year
and percent of wet basins during 1-15 May duck counts,
Woodworth Study Area, 1965-81.

Table 39. Linear regression values between broods per year and percent of wet basins during 1-15 May duck counts, Woodworth Study Area, 1965-81.

Species	r-values^a
Dabbling ducks
Mallard	0.0363
Gadwall	0.1197
Northern pintail	0.5066
Green-winged teal	0.4720
Blue-winged teal	0.7035
Northern shoveler	0.6823
American wigeon	-0.0374
Total dabbling ducks	0.6226
Diving ducks
Redhead	0.0631
Canvasback	-0.0548
Lesser scaup	-0.1654
Ruddy duck	0.5048
Ring-necked duck	0.2851
Total diving ducks	0.2814
Total broods	0.6417

^ar-values > 0.48 were significant, 16df.

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Waterfowl Production on the Woodworth Station in South-central North Dakota, 1965-1981

Table 39. Linear regression values between broods per year and percent of wet basins during 1-15 May duck counts, Woodworth Study Area, 1965-81.

Waterfowl Production on the Woodworth Station
in South-central North Dakota, 1965-1981

Table 39. Linear regression values between broods per year
and percent of wet basins during 1-15 May duck counts,
Woodworth Study Area, 1965-81.