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Waterfowl and Habitat Changes
After 40 Years on the Waubay Study Area

Table 3

Table 3. Percent composition of wetland basins by class (Stewart and Kantrud 1971) and percent drainage of 504 wetlands in the Waubay study area, Day County, South Dakota, 1992.
Wetlands		Comp	Drained
Class	No.	%	No.	%
I	57	11.3	26	45.6
II	44	8.7	25	56.8
III	219	43.5	68	31.1
IV	61	12.1	5	8.2
III^t	37	7.3	15	40.5
T-2	41	8.1	11	26.8
T-3	43	8.5	30	69.8
T-4	2	0.4	0	0.0
Total	504	99.9	180	35.7

U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/birds/waubay/tab3.htm
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