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Walleye and Sauger Populations in Lake Champlain's South Bay Inventoried
Northeast Region, April 16, 2004
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U.S. Fish and Wildlife Service and New York State Department of Environmental Conservation staff conducted an extensive trap-netting survey of walleye and sauger populations from South Bay of Lake Champlain. A week of netting (24 overnight sets) captured 149 walleye and no sauger. These catch rates represent a substantial decline from the 1980s surveys conducted by New York state agencies. During this year's surveys, a large number of potential walleye predators were noted in the catch, including white perch and white crappie, both non-indigenous species, suspected to have entered Lake Champlain in the 1980s. The large numbers of potential juvenile walleye predators, including these invasives, may help explain the observed decline in South Bay walleye and the absence of sauger in this spring's catches.

Ripe females and males were provided to the Southern Lake Champlain Walleye Association for fertilization and hatching to fry stage. A total of 1,223,000 walleye eggs were being hatched in the association's portable hatchery. The association will stock the walleye fry in South Bay in an attempt to enhance survival and improve the walleye population there.

Contact Info: Jennifer Lapis, (413) 253-8303, jennifer_lapis@fws.gov



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