Estimating waterfowl abundance and productivity in the Prairie Pothole Region of northern Iowa / Steven D. Cordts
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TextPublication details: Ames, IA : Iowa State University, 1999.Description: iv, 131 leaves : ill. ; 28 cmOnline resources: Abstract: Concern over decling waterfowl populations prompted the formation of the North American Waterfowl Management Plan in 1986 (U.S. Dept. of Interior 1998). A set of high priority joint venture regions was established to address species or habitat-specific concerns. The Prairie Pothole Joint Venture (PPJV) was formed in 1987 to protect and restore prairie wetland ecosystems in the Prairie Pothole Region (PPR) of the northern U.S.(U.S. Dept of Interior 1995). The region has long been recognized for its importance to waterfowl breeding populations (Batt et al. 1989), but estimates of waterfowl abundance in the southern portion of the PPR are scarce. Waterfowl habitat in the southern portion of the PPR has been severely affected by the drainage of wetlands. Over 90% of the original wetlands in northern Iowa have been drained and most have been converted to agricultural production (Tiner 1984, Dahl 1990, Bishop et al. 1998).In 1987, the Iowa Department of Natural Resources, under the auspic
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Thesis(M.S.)--Iowa State University, 1999.
Includes bibliographical references.
Concern over decling waterfowl populations prompted the formation of the North American Waterfowl Management Plan in 1986 (U.S. Dept. of Interior 1998). A set of high priority joint venture regions was established to address species or habitat-specific concerns. The Prairie Pothole Joint Venture (PPJV) was formed in 1987 to protect and restore prairie wetland ecosystems in the Prairie Pothole Region (PPR) of the northern U.S.(U.S. Dept of Interior 1995). The region has long been recognized for its importance to waterfowl breeding populations (Batt et al. 1989), but estimates of waterfowl abundance in the southern portion of the PPR are scarce. Waterfowl habitat in the southern portion of the PPR has been severely affected by the drainage of wetlands. Over 90% of the original wetlands in northern Iowa have been drained and most have been converted to agricultural production (Tiner 1984, Dahl 1990, Bishop et al. 1998).In 1987, the Iowa Department of Natural Resources, under the auspic