NPWRC :: Waubay Study Area

Table 14. Mean water depths (cm) and distances (m) from nearest shoreline of 127 over water nests in the Waubay study area, Day County, South Dakota, 1992-1993.
*Species*	n	*Depth*	*Min. - Max.*	*Distance*	*Min. - Max.*
Mallard	26	37.8 (3.3)^a	7.6-61.0	25.3 (2.9)	0.0-54.9
Redhead	62	56.4 (1.8)	25.4-101.6	38.1 (3.0)	6.4-137.2
Canvasback	17	61.2 (2.6)	40.6-81.3	41.6 (5.6)	22.9-114.3
Ruddy duck	22	62.5 (3.4)	40.6-96.5	26.0 (3.1)	9.1-73.2
^a Values in ( ) are SE for mean depths and distances.

U.S. Department of the Interior | U.S. Geological Survey
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Waterfowl and Habitat Changes After 40 Years on the Waubay Study Area