Zoom a Scientist: Restoring Landlocked Atlantic Salmon in Lake Champlain
Speaker: Bill Ardren, U.S. Fish and Wildlife Service
By the 1850s, dams, habitat degradation in rivers, and other factors had eliminated (extirpated) landlocked Atlantic salmon (LATS) from the Lake Champlain basin. Restoration efforts, including hatchery culture, stocking, and sea lamprey control, have been successful in restoring the lake fishery valued at more than $200 million, but this depends on ongoing stocking. Dr. William (Bill) Ardren has developed a series of large scale, adaptive management experiments to restore naturally reproducing LATS with the goal of fish returning to multiple tributaries, migrating up river, spawning, and producing fry that will lead to self-sustaining populations.
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