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Black Bay and Sturgeon Bay, Lake Superior: Impacts of Water Level Fluctuations on Wetland Vegetation

Allan Harris;Rob Foster
Development of regulation plan performance indicators describing water-level regime impacts on bulrush marsh distribution in Black Bay and Sturgeon Bay, Lake Superior, Ontario. The performance indicator metric is the surface area of bulrush marsh at Black Bay and Sturgeon Bay. Bulrush marsh is the most common emergent wetland community on the north shore of Lake Superior in Ontario. The dominant plant species are typically hardstem bulrush and softstem bulrush (Schoenoplectus acutus and S. tabernaemontani) along with spikerush (Eleocharis smallii). The evaluation was based in part on field research mapping marsh extent and elevation/bathymetry conducted in 2010.
Ecosystem PI 02: Bulrush Marsh, Black and Sturgeon Bay
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Supporting Content (Show)
Main Topics
Lake Superior Regulation
Questions We Asked
What constitutes improved plan performance?
Does the plan reduce environmental impacts?
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How vulnerable are interest groups to extremes?
Key Findings
Plan 2012 will be more robust and provide important benefits compared to Plan 77A
Plan 2012 performs similar to Plan 77A under 20th century NBS
Ecosystems Evaluation
Performance Indicators
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Coping Zones