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- Input Projects
- Ecosystem TWG Scoping and Strategy Development
- Ecosystem Contextual Narrative
Ecosystem Technical Working Group Synthesis and Summary
- Scudder Mackey;
- Describes the overall strategy and methods used to assess potential ecological implications of proposed Lake Superior water level regulation plans. The St. Marys River provides critically important wetland, fish spawning, and nursery habitat for many species in the upper Great Lakes. An approach was adopted that focused on assessing ecosystem vulnerabilities to changing upper Great Lakes water level regimes. The objective of this approach is to identify water-level ranges and threshold criteria that minimize adverse impacts to biotic communities and ecosystem function, i.e., a range of water levels and water-level variability that supports diverse biotic communities and ecosystem functions. The objective is to describe for the ecosystem interest group how the overall strategy and methods were implemented and to identify key technical and management issues encountered along the way.
- Additional Data and Information
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- Supporting Content
- Main Topics
- - Lake Superior Regulation
- Questions We Asked
- - Can a regulation plan be designed to perform better than Plan 1977A?
- - Does the plan reduce environmental impacts?
- Key Findings
- - Plan 2012 avoids serious impacts to Lake Sturgeon breeding habitat
- - St. Marys River flows will be more natural under Plan 2012