Thomas Johengen

Current Research Projects:
(See also All Research Projects for Johengen)

• NOBOB-B: Identifying, Verifying, and Establishing Options for Best Management Practices for NOBOB Vessels

Recent GLERL Publications:
(See also All GLERL Publications for Johengen)

• Gray, D. K., T. H. JOHENGEN, D. F. REID, and H. J. MacIsaac. Efficacy of open-ocean ballast water exchange as a means of preventing invertebrate invasions between freshwater ports. Limnology and Oceanography 52(6):2386-2397 (2007). http://www.glerl.noaa.gov/pubs/fulltext/2007/20070038.pdf
• VANDERPLEOG, H.A., T.H. JOHENGEN, P.J. Lavrentyev, C. Chen, G.A. LANG, M.A. Agy, M.H. Bundy, J.F. CAVALETTO, B.J. EADIE, J.R. LIEBIG, G.S. MILLER, S.A. RUBERG, and M.J. McCORMICK. Anatomy of the recurrent coastal sediment plume in Lake Michigan and its impacts on light climate, nutrients, and plankton. Journal of Geophysical Research 112(C03S90, doi:10.1029/2004JC002379):23 pp. (2007). http://www.glerl.noaa.gov/pubs/fulltext/2007/20070010.pdf
• 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 ecosystem in Lake Michigan. Ecosystems 9:828-842 (2006). http://www.springerlink.com/content/r106152q530xn0m1/
  http://www.glerl.noaa.gov/pubs/fulltext/2006/20060020.pdf
• HAWLEY, N., T. H. JOHENGEN, Y. R. Rao, S. A. RUBERG, D. BELETSKY, S. A. LUDSIN, B. J. EADIE, D. J. SCHWAB, T. E. CROLEY II, and S. B. BRANDT. Lake Erie hypoxia prompts Canada-U.S. study. EOS Transactions 86(32):313-319 (2006). http://www.glerl.noaa.gov/pubs/fulltext/2006/20060021.pdf
• RUBERG, S.A., D.F. Coleman, T.H. JOHENGEN, G.A. Meadows, H.W. VanSumeren, G.A. LANG, and B.A. Biddanda. Groundwater plume mapping in a submerged sinkhole in Lake Huron. Marine Technology Society Journal 39(2):65-69 (2005). http://www.glerl.noaa.gov/pubs/fulltext/2005/20050038.pdf
• Bailey, S. A., K. Nandakumar, I. C. Duggan, C. D. A. Van Overdijk, T. H. JOHENGEN, D. F. REID, and H. J. MacIsaac. In situ hatching of invertebrate diapausing eggs from ships’ ballast sediment. Diversity and Distributions 11:453-460 (2005). http://www.glerl.noaa.gov/pubs/fulltext/2005/20050027.pdf
• RUBERG, S.A., D.F. Chapman, T.H. JOHENGEN, G.A. Meadows, H.W. VanSumeren, G.A. LANG, and B.A. Bidanda. Groundwater plume mapping in a submerged sinkhole in Lake Huron. Marine Technology Society Journal 39(2):65-69 (2005). http://www.glerl.noaa.gov/pubs/fulltext/2005/20050038.pdf
• Lohrenz, S. E., G. L. FAHNENSTIEL, D. F. Millie, O. M. E. Schofield, T. H. JOHENGEN, and T. Bergman. Spring phytoplankton photosynthesis, growth, and primary production and relationships to a recurrent coastal sediment plume and river inputs in southeastern Lake Michigan. Journal of Geophysical Research 109(C10S14):13 pp. (2004). http://www.glerl.noaa.gov/pubs/fulltext/2004/20040035.pdf

Recent Presentations:
* denotes speaker

• Gray, D. K., H. J. MacIsaac, T. H. JOHENGEN, and D.F. *REID. Biological effectiveness of open-ocean ballast exchange for preventing invertebrate invasions between freshwater ports. 15th International Conference on Aquatic Invasive Species (ICAIS), Nijmegen, The Netherlands, September 2007. (2007).
• *JOHENGEN, T. H., D.F. REID, C. van Overdijk, D. Gray, and P.T. Jenkins. The use of instrumented ballast tanks to examine ballast management practices. 50th Annual Conference of the International Association for Great Lakes Research, Penn State University, University Park, PA, May 28-31, 2007. (2007).
• *Reichert, J., S.A. LUDSIN, B.J.Fryer, G. Milanowski, T. Johnson, J. Tyson, T.H. JOHENGEN, and N. HAWLEY. Role of river plumes in mediating larval yellow perch foraging, growth, and survival in Lake Erie. 2007 Annual Meeting of the American Fisheries Society, San Francisco, CA, September 2-6, 2007. (2007).
• *REID, D.F., T. H. JOHENGEN, and P.T. Jenkins. Residual sediment resuspension and discharge from ballast tanks. 50th Annual Conference of the International Association for Great Lakes Research, Penn State University, University Park, PA, May 28-31, 2007. (2007).
• *Santagata, S., Z.R. Gasiunaite, E. Verling, J.R. Cordel, K. Eason, J. S. Cohen, K. Bacela, G. Quilez-Badia, T.H. JOHENGEN, D.F. REID, and G.M. Ruiz. The efficacy of ballast water exchange for preventing the spread of nonindigenous species among freshwater and low-salinity ports of the U.S. and Europe. Fifth International Marine Bioinvasions Conference, Cambridge, MA, May 2007. (2007).
• *Santagata, S., Z.R. Gasiunaite, E. Verling, J.R. Cordell, K. Eason, J.S. Cohen, K. Bacela, G. Quilez-Badia, D.F. REID, T.H. JOHENGEN, and G.M. Ruiz. The efficacy of ballast water exchange for preventing the spread of nonindigenous species among freshwater and estuarine ports of the United States and Europe. 50th Annual Conference of the International Association for Great Lakes Research, State College, PA, May 28-31, 2007. (2007).
• *EADIE, B. J., N. HAWLEY, M. Charlton, R. Yerubandi, M. B. LANSING, and T. H. JOHENGEN. Rates of delivery of organic carbon and nutrients to the hypoxic region of Lake Erie. Lake Erie Milennial Meeting, Windsor, Ontario, Canada, February 2, 2006. (2006).
• *EADIE, B. J., N. HAWLEY, M. B. LANSING, and T. H. JOHENGEN. Rates of delivery of organic carbon and nutrients to the hypoxic region of Lake Erie. AGU ASLO Ocean Sciences Meeting, Honolulu, HI, February 23, 2006. (2006).
• *Gray, D., C. D. A. vanOverdijk, H. J. MacIsaac, T. H. JOHENGEN, and D. F. REID. Does open-ocean ballast exchange prevent transfer of invertebrates between freshwater ports? 14th International Conference on Aquatic Invasive Species, Key Biscayne, FL, May 14-19, 2006. (2006).
• *Jenkins, P. T., T. H. JOHENGEN, and D. F. REID. Best ballast management practices. Great Lakes Ballast Water Conference - Targeting Technology, Cleveland, OH, September 27, 2006. U.S. Coast Guard, (2006).
• *JOHENGEN, T. H., and S. A. LUDSIN. Spatial and temporal development of hypoxia and associated trophic conditions in Lake Erie during 2005. 49th Annual Conference of the International Association for Great Lakes Research, Windsor, Ontario, Canada, May 22-26, 2006. (2006).
• *JOHENGEN, T. H., D. F. REID, and P. T. Jenkins. Instrumenting ballast tanks to evaluate the effectiveness of best management practices. Great Lakes Ballast Water Conference - Targeting Technology, Cleveland, OH, September 27, 2006. U.S. Coast Guard, (2006).
• *REID, D. F., P. T. Jenkins, and T. H. JOHENGEN. Ballast water best management practices for transoceanic ships: theory and practicability. 14th International Conference on Aquatic Invasive Species, Key Biscayne, FL, May 16-19, 2006. (2006).
• *EADIE, B. J., K. MARKO, T. H. JOHENGEN, and M. B. LANSING. Carbon and nutrient transport into and through Muskegon Lake. 48th Annual Conference of the International Association for Great Lakes Research, Ann Arbor, MI, May 23-27, 2005. (2005).
• *JOHENGEN, T. H., D. F. REID, and P. T. Jenkins. Great Lakes NOBOB assessment: final briefing. Great Lakes Protection Fund, Chicago, IL, March 4, 2005. (2005).
• *MOREHEAD, N. R., J. R. LIEBIG, H. A. VANDERPLOEG, and T. H. JOHENGEN. A mass balance approach for assessing the nutrient excretion of Lake Erie and Saginaw Bay dreissenid mussels (poster). 48th Annual Conference of the International Association for Great Lakes Research, Ann Arbor, MI, May 23-27, 2005. (2005).
• *REID, D. F., T. H. JOHENGEN, and P. T. Jenkins. Great Lakes NOBOB assessment final briefing. Fednav International, Montreal, Canada, May 4, 2005. (2005).
• *REID, D. F., T. H. JOHENGEN, and P. T. Jenkins. Great Lakes NOBOB assessment - findings and conclusions. Public Meeting on Ballast Water Management for Vessels Declaring No Ballast On Board, Cleveland, OH, May 8, 2005. U.S. Coast Guard, (2005).
• *REID, D. F., T. H. JOHENGEN, and P. T. Jenkins. Great Lakes NOBOB assessment: summary and overview. Technical Workshop on Ballast Water Management for Vessels Declaring No Ballast Onboard (NOBOB), Cleveland, OH, May 9, 2005. U.S. Coast Guard, (2005).
• *REID, D. F., T. H. JOHENGEN, and P. T. Jenkins. Great Lakes NOBOB assessment - summary of findings. National Interagency Aquatic Nuisance Species Task Force, Monterey, CA, May 24-25, 2005. (2005).