Saginaw Bay, Lake Huron: Impacts of Water Level Fluctuations on Wetland Vegetation
- Douglas Wilcox;
- Development of regulation plan performance indicators describing water-level regime impacts on the distribution and area of wetland bulrush marsh and meadow marsh communities in Saginaw Bay, Lake Huron, Michigan. The performance indicator metric is the estimated surface area of bulrush marsh and meadow marsh (hectares) for Saginaw Bay (extrapolated bay-wide estimates from vegetation data collected at Fish Point Wetland in Saginaw Bay). Bulrushes reduce erosion and trap coastal sediments along shorelines exposed to high wave energy. Meadow marsh plant communities are highly diverse and often occur within a relatively narrow hydrologic range in comparison to other wetland vegetation communities. These wetland plant communities provide fish spawning and nursery habitats and habitat for wildlife and birds. The performance indicator was developed from elevation-specific vegetation data collected annually between 1988 and 1993 at Fish Point Marsh in Saginaw Bay.
- Additional Data and Information
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- Supporting Content
- Main Topics
- - Lake Superior Regulation
- Questions We Asked
- - What constitutes improved plan performance?
- - Does the plan reduce environmental impacts?
- 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