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Welcome to the technical sessions schedule for the 2015 SEAFWA Annual Meeting.

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Tuesday, November 3 • 9:20am - 9:40am
Renovating a 60 year-old Wetland Management Area for the Future

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Matt Bowyer, Frank Nelson, Keith Cordell –Missouri Department of Conservation

The wetlands of southeastern Missouri have a long history of alteration. Since the 1950’s, Duck Creek Conservation Area has been managed by the Missouri Department of Conservation to provide wetland habitat for waterfowl and other wetland dependent species within this altered landscape. Over time our philosophy of wetland management, the implications of infrastructure design, and the interaction of natural features has evolved. Based on a hydrogeomorphic assessment of the larger Mingo basin surrounding Duck Creek we identified the four following objectives to renovate the aging wetland management area: 1) restore natural water flow patterns where possible, 2) mimic natural water regimes, 3) restore natural vegetation communities, and 4) accommodate public uses that are consistent with resource objectives. A multi-disciplined team of biologists and engineers used a basin wide digital elevation model, aerial photos, and field observations to examine the landscape features and identify opportunities to rehabilitate wetland system processes to achieve these objectives. Levees were notched in specific locations to create broad spillways, thereby connecting historic drainages during flood events. Rehabilitating the topographic diversity by cutting sloughs, tearing down high cross levees and putting low levees on the contours, and tying these features in with water control structures reconfigured the depth and distribution of shallowly flooded habitats on portions of the area. These steps have reduced several chronic management challenges, increased the wetland habitat diversity, and enhanced the wetland function of the area. This in turn should increase the quality of public use on Duck Creek in the future.

Tuesday November 3, 2015 9:20am - 9:40am EST
Ballroom Salon B

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