This report describes a long-term study to monitor and evaluate the ecosystem recovery of seven wetland restorations
in south central Minnesota. The study looks at the impact of planting on wetland restoration success in inland
wetlands and develops a methodology to assess wetland restoration success.
The study focused on the following question: To what extent can revegetation stimulate overall biological recovery
in isolated restoration sites? Researchers used aspects of ecosystem function and structure to characterize recovery
rates in planted and unplanted restored sites relative to one another and to reference wetlands, as well as indices of
biotic integrity for plants, invertebrates, birds, and amphibians in addition to other indicators of ecosystem structure,
such as soil organic matter and water chemistry.
Researchers developed field protocols, created biotic indices, and established baseline monitoring on each site
including an as-built topographic survey, installation of groundwater and surface water stations, characterization of
soils, vegetation, and vertebrates. A long-term monitoring system is now in place that will allow for the assessment
of ecosystem recovery of seven restored wetlands relative to four reference wetlands.
Galatowitsch, Susan M.; Lehtinen, Rich; Budelsky, Rachel; Whited, Diane; Mulhouse, John; Tester, John; Capistrant, Anne.
Factors Affecting Biological Recovery of Wetland Restorations.
Minnesota Department of Transportation.
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