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PLEASE NOTE: The schedule posted here is as of 1/25/16, and is subject to change. Please check back for updates.

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Monday, January 25 • 1:20pm - 1:40pm
Emerging Technologies For Sea Lamprey Control

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AUTHORS: Michael J. Siefkes*, Great Lakes Fishery Commission; Nicholas S. Johnson, U.S. Geological Survey

ABSTRACT: The Great Lakes Fishery Commission (Commission) implements a program to control the invasive, parasitic sea lamprey in the Great Lakes. The primary methods of control are periodic applications of selective pesticides (lampricides) that kill larval sea lampreys in their natal tributaries and the use of barriers to prevent adult sea lampreys from accessing spawning habitats in hundreds of Great Lakes tributaries. Although lampricides and barriers have been successful at reducing sea lamprey abundance by 90% from peak levels, the Commission is heavily invested in the development of alternative methods of sea lamprey control. Having more tools in the tool box will allow for a truly integrated approach to sea lamprey control and will also provide options to better balance the sometimes conflicting practices of sea lamprey control and the connectivity of lotic ecosystems. One area of particular interest is the development of behavioral manipulation tactics to either 1) block adult sea lamprey migrations without the use of physical barriers, 2) guide adult sea lampreys into traps, and 3) guide out-migrating juvenile sea lampreys into traps. The use of reproductive pheromones, alarm substances, and electricity are currently being explored in management-scale trials to determine their potential use for sea lamprey control.

Monday January 25, 2016 1:20pm - 1:40pm
Pearl

Attendees (25)