Population assessment tools, habitat use, and behavior of cisco. Lead Investigators: Tyler Ahrenstorff (ahre0051@d.umn.edu) and Dr. Tom Hrabik; University of Minnesota-Duluth, Funded by the Environment and Natural Resources Trust Fund (proj. #067-B4). Lakes Investigated: Carlos, Cedar, Elk, South Twin, Trout, White Iron, Ten Mile. Target completion date: June 2012.
Cisco (Coregonus artedi) stomach composition and fullness in Minnesota lakes varying by depth and mixing regimes. Lead investigators: Kyle Gilles, Tyler Ahrenstorff (ahre0051@d.umn.edu), Dr. Tom Hrabik; University of Minnesota-Duluth, Funded by UMD's Undergraduate Research Opportunities Program. Lakes investigated: Carlos, Elk, Ten Mile, White Iron. Report available upon request.
Cisco (Coregonus artedi) reverse diel vertical migrations in Ten Mile Lake, Minnesota. Lead Investigators: Logan Jacobson, Tyler Ahrenstorff (ahre0051@d.umn.edu), Dr. Tom Hrabik; University of Minnesota-Duluth, Funded by UMD's Undergraduate Research Opportunities Program. Lakes investigated: Ten Mile. Target completion date: November 2011.
Jiang, L., X. Fang, H. G. Stefan, P. C. Jacobson, and D. L. Pereira. 2012. Oxythermal habitat parameters and identifying cisco refuge lakes in Minnesota under future climate scenarios using variable benchmark periods. Ecological Modelling 232:14-27.
Fang, X., Alam, S.R., Stefan, H.G., Jiang, L., Jacobson, P.C., Pereira, D.L., In press. Simulations of water quality and oxythermal cisco habitat in Minnesota lakes under past and future climate scenarios. Water Quality Research Journal of Canada 47.
Simulating the combined effects of future watershed land cover and climate change on cold-water fish habitat. Primary coordinator of projects: Peter Jacobson (peter.jacobson@state.mn.us); DNR Fisheries Habitat Research Supervisor. Partners include Dr. Richard Kiesling USGS; Dr. Lucinda Johnson Natural Resource Research Institute; Dr. Heinz Stefan, U of MN; and Dr. Xing Fang, Auburn University. Lakes investigated: Carlos, Cedar, Elk, South Twin, Trout, White Iron, Ten Mile.
Pelagic habitat preference of muskellunge, walleye, and cisco. Investigators: Dr. Andrew Carlson (andrew.carlson@state.mn.us), Jerry Younk, Rodney Pierce (DNR Fisheries Research). Lake investigated: Elk Lake. Funded in parts by the Game and Fish Fund, Federal Sportfish Restoration Act, and Muskies Inc. Target Completion Date: June 2012.
Zooplankton
Reconstruction of how a century of nutrient-enrichment of lakes has affected evolutionary changes in organisms, particular Daphnia pulex zooplankton. Lead investigator: Punidan Jeyasingh (puni.jeyasingh@okstate.edu). Funded by the National Science Foundation (proj. #0924401). Lakes investigated: Trout, Elk, Madison, Hill, South Center, Shaokotan. Target completion date: June 2012.
Zooplankton diel vertical migration patterns in Minnesota lakes Lead Investigators: Jiethyl Piersak, Tyler Ahrenstorff (ahre0051@d.umn.edu), Dr. Tom Hrabik; University of Minnesota-Duluth, Funded by UMD's Undergraduate Research Opportunities Program. Lakes investigated: Ten Mile. Report available upon request .
Hydrology and Limnology
Evaluation of sediment cores to reconstruct historical water quality conditions and correlation to major environmental events. Lead Investigator: Dr. Mark Edlund (mbedlund@smm.org); St. Croix Watershed Research Station Funded by the Environment and Natural Resources Trust Fund (proj. #067-B4). Lakes Investigated: Carlos, Cedar, Elk, South Twin, Trout, White Iron, Ten Mile. Target completion date: June 2012.
Classification of Selected Minnesota Lakes Using Deuterium and δ18O to Characterize Hydrologic Residence Time. All sentinel lakes will be investigated. Lead investigators: Lee Engel (enge0332@d.umn.edu) and Dr. Joe Magner; University of Minnesota - Twin Cities). Funded in part by the Environment and Natural Resources Trust Fund (proj. #067-B4). Target Completion Date: December 2011.
Aquatic Plants
Curly-leaf pondweed trends and interrelationships with water quality: Lead Investigator: Steve Heiskary (steven.heiskary@state.mn.us). Funded in parts by the Minnesota Pollution Control Agency, Game and Fish Fund, Federal Sportfish Restoration Act, and Environment and Natural Resources Trust Fund (proj. #067-B4). Lakes Investigated: Belle, Carlos, Carrie, Cedar, Hill, Pearl, Peltier, Portage, South Center, St. James, St. Olaf. Target Completion Date: January 2011.
