Great Lakes Salmon Trout Lake Huron and Lake

Great Lakes Salmon & Trout Lake Huron and Lake Erie Brad Utrup Lake St. Clair Fisheries Research Station

Superior Huron Ontario Michigan Erie

Timeline Howard Tanner Coho Planted Zebra/Quagga Mussels New “Normal”… 1964 1966 1980 2010 1967 Salmon Fever! 2003 “Good old Days” Chinook Planted Lake Huron Alewife Crash © Tim Knepp

The State of Things – 1960’s Lake Trout and Lake Whitefish Crashing Overfishing Sea Lamprey Alewife

Alewife © Muskegon Chronicle 1967 © Muskegon Chronicle 1968

“…do something spectacular. ” • Howard Tanner • “…we are going to produce the world's greatest freshwater fishery. ” • Great Lake’s first shift from a commercial to recreational fishery

How excited were people?

Glory Days

Energy Forage Predators Prior to mussel invasion…

Energy Forage Predators

After the crash…

Timeline Howard Tanner Coho Planted Zebra/Quagga Mussels New Normal… 1964 1966 1980 2010 1967 Salmon Fever! 2003 “Good old Days” Chinook Planted Lake Huron Alewife Crash © Tim Knepp

After mussel invasion… “New Normal” Energy Forage Predators

A New Lake Huron Losers • Alewife Winners • Walleye • Chinook Salmon • Atlantic Salmon • Tourist Industry • Anglers

What does it all mean? • Mussels Here to Stay • Less Food • Alewives Gone • New Normal is a Reality • Adapt • Re-Evaluate • Learn and Apply

Lake Erie

Lake Erie Bathymetry Map - NOAA

Productivity

Lake Erie Walleye

Lake Erie Steelhead

Lake Erie Steelhead Alley

Predator Communities Lake Trout Lake Whitefish Salmon Lake Trout Lake Whitefish Walleye Lake Trout Lake Whitefish Chinook Salmon Steelhead Coho Salmon Brown Trout Walleye Steelhead Atlantic Salmon Brown Trout Coho Salmon Chinook Salmon Walleye Steelhead Lake Trout Lake Whitefish

Fisheries Are Complicated People Fish FISHERY Habitat

Native Vs. Sport Fishery

Moving Forward…

Questions?