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Investigating the Daily Migration of Fish and Their Prey in Lake Superior

Where fish and their prey go in Lake Superior on a daily basis remains  unclear to scientists. This project proposes to measure the  top-to-bottom (vertical) migration of prey fish, predatory fish, and  an important zooplankton species, Mysis relicta, in western Lake  Superior over various seasons. Researchers will conduct day and night  surveys on the research vessel Blue Heron in the deep trench off  Taconite Harbor (Schroeder, MN) in May through late September. They  will also work with the US Geological Survey and their research vessel  the Kiyi to conduct day and night bottom and midwater trawls for fish.     Through diet and growth studies on fish caught during the trawls,  researchers will examine how energy flows through the food webs in  these locations. They also hope to evaluate food web linkages between  the deep and shallow habitats in the lake. Understanding these  linkages and migration patterns will help natural resource agencies  better manage commercially important fish species such as ciscoes,  salmon, and lake trout. 

Status
In progress
Type
Project
Start Date
End Date
Researchers
Thomas HrabikPrincipal Investigator
Associated with 4 projects
Jason StockwellResearcher
Associated with 1 projects
Agencies
Minnesota Sea Grant College Program $ 100,625.00USDEstimates

Funding 30 projects for a total of $2,568,917.00
Scope of Study
Field Investigation
Scale of Phenomena
Community
Ecosystem
Population
Resource Management
Fisheries
Lake Basin Connecting Channels
Lake Superior
State Province
Minnesota
Annex Numbers
Remedial Action Plans and Lakewide Management Plans
Research & Development
Surveillance and Monitoring
Annex 17
Physical and transformational processes affecting delivery of pollutants
General
Annex
  • Annex Numbers
    Annex Numbers
    Remedial Action Plans and Lakewide Management Plans
    Research & Development
    Surveillance and Monitoring
  • Annex 17
    Annex 17
    Physical and transformational processes affecting delivery of pollutants

The Great Lakes - St. Lawrence Research Inventory is an
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up-to-date information about research projects in the
Great Lakes - St. Lawrence Region.