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Tuesday, January 26 • 11:00am - 11:20am
Sea Lamprey Control In The Great Lakes

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AUTHORS: Lynn Kanieski*, USFWS Marquette Biological Station, Sea Lamprey Control

ABSTRACT: The sea lamprey Petromyzon marinus is a destructive invasive species in the Great Lakes that contributed to the collapse of lake trout Salvelinus namaycush and other native species in the mid-20th century and continues to affect efforts to restore and rehabilitate the fish-community. Sea lampreys attach to large bodied fish and extract blood and body fluids. It is estimated that about half of sea lamprey attacks result in the death of their prey and an estimated 18 kg (40 lbs) of fish are killed by every sea lamprey that reaches adulthood. The Sea Lamprey Control Program (SLCP) is administered by the Great Lakes Fishery Commission (Commission) and implemented by two control agents: Fisheries and Oceans Canada (Department) and the United States Fish and Wildlife Service (Service). The SLCP is a critical component of fisheries management in the Great Lakes because it facilitates the rehabilitation of important fish stocks by significantly reducing sea lamprey-induced mortality. As part of A Joint Strategic Plan for Management of Great Lakes Fisheries, the lake committees developed fish-community objectives for each of the Great Lakes. The fish-community objectives include goals for the SLCP that, if achieved, should establish and maintain self-sustaining stocks of lake trout and other salmonines by minimizing sea lamprey impacts on these stocks. The SLCP uses an integrated approach of lampricides, barriers, and trapping to control sea lampreys, assesses the population at various life stages to plan and evaluate control efforts, and coordinates with partners to research and develop new alternatives and tactics.

Tuesday January 26, 2016 11:00am - 11:20am EST
Ambassador E