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CURRICULUM VITAE

Thomas H. Johengen

Cooperative Institute for Limnology & Ecosystem Research
CILER Assistant Research Scientist
CILER - School of Natural Resources and the Environment
University of Michigan Ann Arbor, MI 48109
Phone: (734) 741-2203 Fax: (734) 741-2205
Email: johengen@umich.edu

Education
Ph.D., 1991. Department of Atmospheric and Oceanic Science, University of Michigan, Ann Arbor, MI.
M.Sc., 1986. Department of Oceangraphy, Florida State University, Tallahassee, FL
B.Sc., 1981. Department of Biology, Michigan State University, East Lansing, MI
Secondary Teaching Certificate, 1981, College of Education, Michigan State University, East Lansing, MI.


Professional Experiences
Assistant Research Scientist, Cooperative Institute for Limnology & Ecosystem Research, University of Michigan, Ann Arbor, MI. 1995 to present.
Director, Cooperative Institute for Limnology & Ecosystem Research, University of Michigan, Ann Arbor, MI. Sept. 2000 to December 2004.
Post-doctoral Research Fellow, Cooperative Institute for Limnology & Ecosystem Research, University of Michigan, Ann Arbor, MI. 1991 to 1994.
Graduate Research and Teaching Assistant, University of Michigan, Ann Arbor, MI. 1987 to 1991
Graduate Research Assistant, Florida State University, Tallahassee, FL. 1983 to 1986


Research Interests
Nutrient cycling and lower food-web dynamics in the Great Lakes. Ecological impacts of non-indigenous species on nutrient cycling and water quality. Prevention and control of non-indigenous species introductions associated with shipping activities. Factors affecting watershed-scale nutrient loading. Nutrient dynamics associated with the development of hypoxia in central basin of Lake Erie.


Teaching Experience
Teaching Assistant, Department of Oceanic Science, University of Michigan. August 1990 to May 1991.
Secondary Science/Math Teacher, Liberty County High School, Bristol, FL, August 1982 to June 1983.


Guest Lecturer
University of Michigan, Ann Arbor, MI.
Grand Valley State University, Allendale, MI.
University of Akron, Akron, OH.
Michigan State University, East Lansing, MI.
Bowling Green State University
Inland Seas Association, Suttons Bay, MI.


Honors and Awards

Certificate for Outstanding Mentor, Cooperative Inst. for Limnology & Ecosystems Research. January 2006
IAGLR Appreciation Award, June 2005.
Certificate for Exceptional Service, NOAA Great Lakes Environmental Research Lab. February 2004
Certificate of Excellence, National Oceanic & Atmospheric Administration. October 2000.
Certificate of Recognition, National Oceanic & Atmospheric Administration. May 1991.
Tau Beta Pi Engineering Honor Society. January 1989.
Distinguished Graduate Student Award, College of Engineering, Univ. of Michigan. March 1988.

Professional Activities
Co-Chair of 48th annual conference of International Association for Great Lakes Research
Member of International Association for Great Lakes Research, 1992 - present
Member of American Society of Limnology and Oceanography, 1986 - present
Board member of International Association for Great Lakes Research, 2002 - 2005
Committee member of Great Lakes Aquatic Nuisance Species Panel, 2001 – present
Committee member of State of Michigan Aquatic Nuisance Species Council, 2002 - 2005t
External reviewer for proposals from Michigan Sea Grant, Great Lakes Protection Fund, NOAA-COP, NURC
External reviewer of submitted manuscripts for various aquatic science journals
Chief Scientist on over a dozen research cruises on various research vessels, 1998 – present


Management Training
Management Problems of the Technical Person in a Leadership Role, Fred Pryor Seminar Series, Ann Arbor, Mi,
July 8, 1999.
How to Supervise People, Fred Pryor Seminar Series, Ann Arbor, Mi, October 22, 1999.


Faculty Experiences
Committee member of Ph.D. candidate, Nate Bosch, SNRE, Univ. of Michigan, present.
Committee member of Ph.D. candidate Denise Pascual, Dept. EIH, Univ. of Michigan
Committee member of Megan Agy, M.Sc. Degree, SNRE, Univ. of Michigan, 2001.
Mentor for the University of Michigan, UROP program, 1998 - present.
Mentor for the University of Michigan, SROP program, 2000 – present.
Mentor for CILER summer fellows, 2001 – present.


Peer-reviewed Publications

Welty, L., M.L. Stein, B.M. Lesht, H.A. Vanderploeg and T.H. Johengen. (In review). A quantitative correction for non-photochemical quenching in the calibration of chlorophyll fluorescence to chlorophyll a concentration, applied to Lake Michigan. Limnol. & Ocean. Methods.

Biddanda, B. A., D. F. Coleman, T. H. Johengen, S. A. Ruberg, G. A. Meadows, H. W. VanSumeren, R. R. Rediske and S. T. Kendall: Exploration of a submerged sinkhole environment in lake Huron. (In press). Ecosystems.

Ruberg,S.A., D.F. Coleman, T.H. Johengen, G.A. Meadows, H.W. Van Sumeren, G.A. Lang, B.A. Biddanda (2005). Groundwater Plume Mapping in a Submerged Sinkhole in Lake Huron. Marine Technology Series, 39(2):65-69.

Bailey, S., I. Duggan, K. Nandakumar, I.C. Duggan, C.D.A. van Overdijk, T.H. Johengen, D.F. Reid, and H.J. MacIsaac (2005). In situ hatching of invertebrate diapausing eggs from ship’ ballast sediment. Biodiversity Research, Diversity Distrib., 11:453-460.

Chen, C., L. Wang, J. Qi, H. Liu, J. W. Budd, D. J. Schwab, D. Beletsky, H. A. Vanderploeg, B. J. Eadie, T. H. Johengen, J. Cotner, and P. J. Lavrentyev (2004). A modeling study of benthic detritus flux’s impacts on heterotrophic processes in Lake Michigan. J. Geophysical Research 109(C10S11):13.

Nassauer, J.I., J. D. Allan, T.Johengen, S. Kosek, and D. Infante (2004). Exurban Residential Subdivision Development: Effects on Water Quality and Public Perception. Urban Ecosystems, 7(3): 267-291.

Lohrenz, S. E, G.L. Fahnenstiel, D.F. Millie, O.M. Schofield, T.H. Johengen and T. Bergmann. 2004. Spring phytoplankton photosynthesis, growth and primary production and relationships to a recurrent coastal sediment plume and river inputs in southeastern Lake Michigan. J. Geophysical Research, 109:C10S14 13 pp. (2004).

Gardner, W.S., P. Lavrentyev, J.Cavaletto, M.McCarthy, B. Eadie, T. Johengen, and J. Cotner (2004). Distribution and dynamics of nitrogen and microbial plankton in southern Lake Michigan during spring transition 1999-2000. J. Geophysical Research, 109:C03007.

Bailey, S., I. Duggan, C. van Overdijk, T. Johengen, D. Reid, and H. MacIsaac (2004). Salinity Tolerance of Diapausing eggs of freshwater zooplankton. Freshwater Biology, 49(3):286-295.

Millie, D. F., Fahnenstiel, G. L., Lohrenz, S. E., Carrick, H. J., Johengen, T. H., & Schofield, O. (2003). Physical-biological coupling in southern Lake Michigan: influence of episodic resuspension on phytoplankton. Aquatic Ecology, 37: 393-408.

Madenjian, C., G. Fahnenstiel, T. Johengen, T. Nalepa, H. Vanderploeg, G. Fleischer, P. Schneeberger, D. Benjamin, E. Smith, J. Bence, E. Rutherford, D. Lavis, D. Robertson, D. Jude, and M. Ebener (2002). Dynamics of the Lake Michigan food web, 1970-200. Can J Fish Aquatic Science, 59:736-753.

Chen, C., R. Ji, D.J. Schwab, D. Beletsky, G.L. Fahnenstiel, M. Jiang, T.H. Johengen, H. Vanderploeg, B. Eadie, J.W. Budd, M.H. Bundy, W. Gardner, J. Cotner, and P.J. Lavrentyev (2002). A model study of the coupled biological and physical dynamics in Lake Michigan. Ecol. Modeling, .152:145-168

Ji, R., C. Chen, J.W. Budd, D.J. Schwab, D. Beletsky, G.L. Fahnenstiel, T.H. Johengen, H. Vanderploeg, B. Eadie, J. Cotner, W. Gardner, and M.H. Bundy (2002). Influences of suspended sediments on the ecosystem in Lake Michigan: a 3-D coupled bio-physical modeling experiment. Ecol. Modeling, 152:169-190.

Eadie, B., D. Schwab, T. Johengen, P. Lavrentyev, G. Miller, R. Holland, G. Leshkevich, M. Lansing, N. Morehead, J. Robbins, N. Hawley, D. Edgington, and P. Van Hoof (2002). Particle transport, nutrient cycling, and algal community structure associated with a major winter-spring resuspension even in southern Lake Michigan. J. Great Lakes Res., 28(3):324-337.

Vanderploeg, H.A., J.R. Liebig, W.W. Carmichael, M.A. Agy, T.H. Johengen, G.L. Fahnenstiel, and T.F. Nalepa (2001). Zebra mussel (Dreissena polymorpha) selective filtration as a mechanism of Microcystis bloom promotion in Saginaw Bay (Lake Huron) and Lake Erie. Can. J. Fish Aquatic. Science, 58: 1208-1221.

Gardner, W.S., L.Yang, J.B. Cotner, T.H. Johengen, and P. J. Laverentyev (2001). Nitrogen dynamics in sandy freshwater sediments (Saginaw Bay, Lake Huron). J. Great Lakes Res,. 27(1):84-97.

Fanslow, D.L., T.F. Nalepa, and T.H. Johengen (2001). Seasonal changes in the respiratory electron transport system (ETS) and respiration of the zebra mussel, Dreissena polymorpha in Saginaw Bay, Lake Huron. Hydrobiologia, 448: 61-70.

Cotner, J.B., T.H. Johengen, and B.A. Biddanda (2000). Intense winter heterotrophic production stimulated by benthic resuspension. Limnol. and Ocean. 45:1672-1676.

Cotner, J.B., R.H. Sada, H. Bootsma, T.H. Johengen, J.F. Cavaletto, and W.S. Gardner (2000). Nutrient limitation of heterotrophic bacteria in Florida Bay. Estuaries, 23(5):611-620.

Nalepa, T., G. Fahnenstiel, and T. Johengen (1999). Impacts of the Zebra Mussel (Dreissena polymorpha) on Water Quality: A Case Study in Saginaw Bay , Lake Huron. In, R. Claudi & J. Leach (Eds), Non-indigenous Freshwater Organisms in North America; their biology and impacts. CRC Press LLC, p255-271.

Lavrentyev, P.J., H.A. Bootsma, T.H. Johengen, J.F. Cavaletto, and W.S. Gardner (1998). Microbial plankton response to resource limitation: insights from the community structure and seston stoichiometry in Florida Bay. Marine Ecol. Prog. Series, 165: 45-57.

Tomaszek, J., W. Gardner, and T. Johengen (1997). Denitrification in sediments of a Lake Erie coastal wetland (Old Woman Creek, Huron, Ohio). J. Great Lakes Research, 23: 403-415.

Eadie, B., D. Schwab, G. Leshkevich, T. Johengen, R. Assel, N. Hawley, R. Holland, M. Lansing, P. Lavrentyev, G. Miller, N. Morehead, J. Robbins, and P. Van Hoof (1996). Recurrent Coastal Plume in southern Lake Michigan. EOS, Trans., AGU, 77:337-338.

Johengen, T., T. Nalepa, G. Fahnenstiel, and G. Goudy (1995). Nutrient changes in Saginaw Bay, Lake Huron after the establishment of the zebra mussel Dreissena polymorpha. J. Great Lakes Research, 21: 449-464.

Gardner, W., J. Cavaletto, T. Johengen, J. Johnson, R. Heath, and J. Cotner (1995). Effects of the zebra mussel (Dreissena polymorpha) on community nitrogen dynamics in Saginaw Bay, Lake Huron. J. Great Lakes Research, 21: 529-544.

Fahnenstiel, G., G. Lang, T. Nalepa and T. Johengen (1995). Effects of the zebra mussel (Dreissena polymorpha) colonization on water quality parameters in Saginaw Bay, Lake Huron. J. Great Lakes Research, 21: 435-448.

Holland, R., T. Johengen, and A. Beeton (1995). Trends in nutrient concentrations in Hatchery Bay, Bass Island area, western Lake Erie before and after Dreissena polymorpha. Canadian J. Fisheries and Aquatic Sciences, 52: 1202-1209.

Johengen, T., O. Johannsson, G. Pernie, and E. Millard (1994). Temporal and seasonal trends in nutrient dynamics and biomass measures in lakes Michigan and Ontario in response to phosphorus control. Canadian J. Fisheries and Aquatic Sciences, 51: 2570-2578.

Johengen, T. and P. LaRock (1993). Quantifying nutrient removal processes within a constructed wetland designed to treat urban stormwater runoff. J. Ecological Engineering, 2: 347-366.

Moll, R., T. Johengen, A. Bratkovich, J. Saylor, G. Meadows, L. Meadows, and G. Pernie (1993). Vernal thermal fronts in large lakes: A case study from Lake Michigan. Verh. Internat. Verein. Limnol., 25: 65-68.

Johengen, T., A. Beeton, and D. Rice (1989). Evaluating the effectiveness of best management practices to reduce agricultural nonpoint source pollution. Journal of Lake & Reservoir Management, 5: 63-70.


Other Publications

Johengen, T.H., D.F. Reid, Assessment of Transoceanic Final Report to the Great Lakes Protection Fund, March 2005. 285pp.

D. Allan, T. Johengen, and E. Rutherford. 2002. Nutrient Loading and its Relevance to the Great Lakes Basin. A White Paper prepared for a University of Michigan Initiative in Great Lakes Research.

D. Jude, E. Stoermer, T. Johengen, and T. Perakis. 2002. Non-indigenous species in the Great Lakes: Ecology, interactions, impacts and future research directions. A White Paper prepared for a University of Michigan Initiative in Great Lakes Research.

Johengen, T. H., T. F. Nalepa, G. A. Lang, D. L. Fanslow, H. A. Vanderploeg, and M. A. Agy (2000). Physical and chemical variables of Saginaw Bay, Lake Huron in 1994-1996. NOAA Technical Memorandum GLERL-115, Great Lakes Environmental Research Laboratory, Ann Arbor, MI, NTIS# PB2000-102421/XAB, 39 pp.

Nalepa,T.F., G.L. Fahnenstiel, M.J. McCormick, T.H., Johengen, G. A. Lang, J.F. Cavaletto, and G. Goudy (1966). Physical and chemical variables of Saginaw Bay, Lake Huron in 1991-1993. NOAA Technical Memorandum GLERL-91, Great Lakes Environmental Research Laboratory, Ann Arbor, MI, 78 pp.


Selected Presentations

Great Lakes Commission Bi-annual Meeting, Buffalo, N.Y. 2005.

Promoting the Development and Evaluation of Sensor Technologies Through the NOAA Alliance for Coastal Technologies Program. 48th IAGLR Conference, Ann Arbor, MI. June 2005.

Assessment of NOBOB ballast tank residual as a potential vector of ANS: A summary of field activities and chemical conditions within the tanks. 46th IAGLR Conference, Chicago, IL. June 2003.

The Great Lakes NOBOB Study: 38 ships and 82 ballast tanks later. 12th Aquatic Invasive Species Conference, Windsor, Ontario, June 2003

Assessment of Transoceanic NOBOB Vessels and Low-Salinity Ballast Water as Vectors for Non-indigenous Species Introductions to the Great Lakes. Binational Executive Committee, Toronto, Ontario, June 2002.

Assessment of Transoceanic NOBOB Vessels as Vectors for Nonindiginous Species Introductions into the Great Lakes. State of Lake Michigan Conference, EPA/GVSU, Nov 2001, Muskegon, MI.

The Impact of Sediment Resuspension and Riverine Inputs on Biological Productivity in the Nearshore Zone. 44th Conference of International Association of Great Lakes Research, June 2001, Green Bay, WI.

Assessment of Transoceanic NOBOB Vessels and Low-salinity Ballast Water as Vectors for Nonindiginous Species Introductions into the Great Lakes. 44th Conference of International Association of Great Lakes Research, June 2001, Green Bay, WI.

Chemical and Biological Distributions Associated with the Recurrent Coastal Sediment Plume in Southern Lake Michigan. 42nd Conference of International Association of Great Lakes Research, June 1999, Cleveland, OH.

Effects of food quantity and quality on nutrient excretion by zebra mussels. 40th Conference of International Association for Great Lakes Research, June 1997, Buffalo, NY.

Nutrient cycling and respiration rates of zebra mussels in Saginaw Bay, Lake Huron, Measured using in situ benthic chambers. 38th Conference of International Association for Great Lakes Research, June 1995, East Lansing, MI.

Comparison of the effects of zebra mussels on water quality and nutrient dynamics in Saginaw Bay, Lake Huron and Hatchery Bay, western Lake Erie. 37th Conference of International Association for Great Lakes Research, June 1994, Windsor, Ontario.

Comparisons of biotic community structure and nutrient dynamics in the open waters of Lake Michigan and Lake Ontario over the past decade. 36th Conference of International Association for Great Lakes Research, June 1993, De Pere, WI.

Nutrient and plankton dynamics associated with thermal front formation in Lake Michigan. 35th Conference of International Association for Great Lakes Research, May 1992, Waterloo, Ontario.

Transport and removal of nutrients within an agricultural stream: Implications for monitoring nonpoint source control at the watershed level. 53rd Meeting of American Society of Limnology & Oceanography, June 1991, Halifax, Nova Scotia.

A cost-effectiveness comparison between water quality improvements derived from point source versus nonpoint source treatment programs. 52nd Meeting of American Society of Limnology & Oceanography, June 1990, Williamsburg, VA.

Monitoring the effectiveness of best management practices to reduce agricultural nonpoint source pollution. 8th International Symposium on Lake & Watershed Management, November 1988, St. Louis, MO.

Nutrient fluxes in an artificial marsh designed for treatment of urban stormwater runoff. 49th Meeting of American Society of Limnology & Oceanography, June 1986, Kingston, RI


Current Grants

NOAA Coastal Service Center, Alliance for Coastal Technologies. May 2003 – April 2007.
Great Lakes Protection Fund, Identifying, Verifying, and Establishing Options for Best Management Practices for NOBOB Vessels. April 2004 – December 2006.
CILER, Nutrient dynamics and trophic conditions in association with Lake Erie Hypoxia, May 2005 – April 2006.
U.S. Coast Guard, NOBOB Best Management Practices (“NOBOB-B”): Enhanced Tank Instrumentation for Examining Sediment Behavior, and Great Lakes Ballast Operations Survey. July 2004 – May 2006

Last updated: 2006-02-01 mbl