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STREAM BANKING PROTOCOL: A PROPOSAL FOR MINNESOTA

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Paper number  701P0904,  . (doi: 10.13031/2013.17382)
Authors:   E. S. Verry
Keywords:   Wetland Banking, Stream Banking, Stream and Wetland Evaluation Protocols, Stream and Wetland Valuation

Field methods to classify, delineate, and value wetland acres have been used for wetland banking for decades. These methods judge the value of wetlands destroyed during highway and land development. They also prescribe the number of acres and value of wetlands restored at a wetland bank restoration site. Methods to classify, delineate and value streams destroyed or restored were first authorized by the U S Army Corps of Engineers southwest of St. Louis, Missouri in 1999. The recognition of stream geomorphology principles in the 1990s provides a rigorous professional basis to fulfill a belated promise in the 1972 Clean Water Act: to protect wetlands and other waters of the United States.

Many streams and wetlands in Minnesota and the Lake States occur together in the same floodplain. New methods to classify delineate, and value streams and wetlands together are presented in this paper. Rigorous protocols using measured attributes for streams and wetlands in combination promise a fair evaluation, a fair valuation, and a sustainable restoration in a fully functional landscape. Two states are considering combining wetland and stream banking in the same institution. This is a first step. Addressing development pressure with combined stream and wetland restoration in a landscape context is the second step.

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