Alewives
Former Michigan conservation director recounts “spectacular” fish story
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Howard Tanner’s revolutionary decision 50 years ago dramatically changed the ecology of the Great Lakes.
Wildlife
Gene discovery may help restore Great Lakes lake trout
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Researchers link alewife gene with vitamin B1 deficiency and the decline of lake trout.
Wildlife
Shrinking alewife population could deplete Great Lakes salmon
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The alewife, once the most hated fish in the Great Lakes, is now facing steep declines in population, but it’s not a cause for celebration.
Wildlife
Tenth day of Christmas: Alewives croaking
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Editor’s Note: It’s an Echo tradition to revisit one of our favorite holiday stories: Tim Campbell’s The Twelve Days of Aquatic Invasive Species Christmas. Campbell rewrote the lyrics of the holiday tune for the Wisconsin Sea Grant in 2011. We’re publishing a new verse on each of the actual twelve days of Christmas.
On the tenth day of Christmas, a freighter sent to me…
Ten alewives croaking — Alewives are one of the few invasive species that foul Great Lakes beaches throughout the summer. Until the introduction of Pacific salmon, alewives died off in such great numbers that tractors were required to remove them from beaches. Salmon now do a great job controlling alewife numbers, but there are still alewife die-offs due to spawning-related stresses.
Echo
Lake Ontario alewives help some fish, hurt others and vex officials
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The fate of all Lake Ontario fish depends on alewives in one way or another. But officials must balance the health of non-native, but popular, sport fish and native species.
Echo
Canadian, US scientists trying to revive Atlantic salmon in Lake Ontario
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Atlantic salmon once thrived in Lake Ontario but went extinct when their habitat and spawning grounds were ruined. U.S. and Canadian scientists are now trying to bring the species back.
Wildlife
Fish food: Hungry salmon overwhelm Lake Ontario alewives
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A biological balancing act between the premier Great Lakes sportfish and its prey could be at a tipping point in Lake Ontario.
Chinook salmon are the foundation of the Lake Ontario recreational fishery.
Wildlife
Special report: The alewife question
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Alewives are a Great Lakes invasive fish that baffle native fish reproduction but give imported Pacific salmon — the target of a profitable fishery — something to eat. What’s a Great Lakes fishery manager to do? Sept. 2, 2009
Alewives: Should Great Lakes managers kill ‘em or keep ‘em? Fishery managers have made little progress in restoring lake trout, the Great Lakes’ dominant predator until the species collapsed in the 1940s and 1950s.
Wildlife
Great Lakes fish in the balance; biologists have little control
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By Jeff Gillies, jeffgillies@gmail.com
Great Lakes Echo
Sept. 4, 2009
Editors note: This is the final story in a three-part series about the challenges of managing non-native fish in the Great Lakes. Managing invasive alewives in the Great Lakes is like walking a tightrope. Too many stymie native lake trout reproduction. Too few cripple the profitable salmon fishery.