Lake Michigan Fish Community Goal and Guiding Principles Mark E. Holey U.S. Fish and Wildlife...
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Transcript of Lake Michigan Fish Community Goal and Guiding Principles Mark E. Holey U.S. Fish and Wildlife...
![Page 1: Lake Michigan Fish Community Goal and Guiding Principles Mark E. Holey U.S. Fish and Wildlife Service Green Bay, WI.](https://reader030.fdocuments.net/reader030/viewer/2022032802/56649e105503460f94afbfab/html5/thumbnails/1.jpg)
Lake Michigan Fish Community Goal and
Guiding Principles
Mark E. HoleyU.S. Fish and Wildlife Service
Green Bay, WI
![Page 2: Lake Michigan Fish Community Goal and Guiding Principles Mark E. Holey U.S. Fish and Wildlife Service Green Bay, WI.](https://reader030.fdocuments.net/reader030/viewer/2022032802/56649e105503460f94afbfab/html5/thumbnails/2.jpg)
The Lake Michigan fish community is a highly complex, biological system that requires a broader, ecological approach than offered by single species management
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To define objectives for the structure of each of the Great lakes fish communities and develop a means of measuring progress toward their achievement
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Goal Statements
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Great Lakes Water Quality Agreement
To restore and maintain the chemical, physical, and biological integrity of the waters of the Great Lakes basin ecosystem
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Joint Strategic Plan for Management of Great Lakes Fisheries
To secure fish communities, based on foundations of stable, self-sustaining stocks, supplemented by judicious plantings of hatchery-reared fish, and provide from these communities an optimum contribution of fish, fishing opportunities and associated benefits to meet needs identified by society for:
• WHOLESOME FOOD• RECREATION• EMPLOYMENT AND INCOME• HEALTHY HUMAN ENVIRONMENT
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Lake Michigan Fish Community Objectives
Restore and maintain the biological integrity of the fish community so that production of desirable fish is sustainable and ecologically efficient
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Guiding Principles
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Recognize limits of lake productivity
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Complex Foodweb
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Preserve and restore fish habitat
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Preserve native Species
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Enhance natural reproduction ofnative and desirable introduced fishes
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Acknowledge the role of planted fish
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Recognize naturalized species
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Adopt the genetic stock concept
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Recognize that fisheries are an important cultural heritage
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Prevent the unintentional introductions
of exotic species
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Protect and enhance threatened and
endangered species
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Planktivore Objective
Maintain a diversity of planktivore (prey) species at population levels matched to primary production and to predator demands.
Expectations are for a lakewide planktivore biomass of 0.5 to 0.8 billion kg. (1.2 - 1.7 billion lb.)
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Salmonine Objectives(Salmon and Trout)
• Establish diverse salmonine community capable of sustaining an annual harvest of 2.7 to 6.8 million kg (6 to 15 million lb.) of which 20 - 25% is lake trout
• Establish self-sustaining lake trout populations
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