Assistant
Research Professor Department of Marine Science 1020 Balch Blvd. Stennis Space Center, MS39529-9904 phone: (228) 688-1510 fax: 228-688-1121 Kjell.Gundersen@usm.edu
EDUCATION
Ph.D.
Biological Oceanography, University of Southampton, England,UK, 1999
M.S.
Biology, University of Bergen, Norway, 1989
RESEARCH INTERESTS
Single cell measurements of growth, nutrient stress and potential diazotrophy
Marine microbial biomass, growth and nutrient dynamics
Marine/brackish water cyanobacteria; abundance, growth and nitrogen fixation
Synergetic interactions between autotrophs and heterotrophic microplankton
Physio-chemical factors driving coastal autotroph plankton structure and growth
Ocean/brackish water time-series and biogeochemistry
Ohlendieck, U., K. Gundersen, M. Meyerhöfer, P. Fritsche, K. Nachtigall & B. Bergmann (Accepted) The significance of nitrogen fixation to new production during early summer in the Baltic Sea. Biogeosciences
Degerholm, J., K. Gundersen, B. Bergman & E. Soderback ( Accepted ) Phosphorus limiting growth in the filamentous cyanobacteria Nodularia sp. and Aphanizomenon sp. FEMS Microbiology Ecology
Degerholm, J., K. Gundersen, S. Hajdu, B. Bergman & E. Söderbäck (In revision) Seasonal significance of N 2 fixation in coastal and off-shore waters of the north-western Baltic Sea . Marine Ecology Progress Series
Gundersen, K., M. Heldal, S. Norland & D.A. Purdie (2002) Elemental C, N and P content of individual bacteria collected at the Bermuda Atlantic Time-series Study (BATS) site. Limnology & Oceanography 47:1525-1530.
Gallon, J.R., P. Albertano, B. Bergman, K.v. Bröckel, A. Canini, R. Congresti, A.M. Evans, P. Fritsche, K. Gundersen, S.te L. Hekkert, A. Jones, M. Meyerhöfer, K. Nachtigall, U. Ohlendieck, K.M. Orcutt, S. Repka, K. Sivonen, M. Staal & L.J. Stal (2002) Uncoupling of N 2 fixation and primary production in a developing cyanobacterial bloom in the Baltic Sea. Limnology & Oceanography 47:1514-1521.
Orcutt, K., U. Rasmussen, E.A. Webb, J.B. Waterbury, K. Gundersen & B. Bergman (2002) Characterization of Trichodesmium spp. using genetic techniques including HIP1 DNA fingerprinting. Applied Environmental Microbiology 68:2236-2245.
Gundersen, K., K.M. Orcutt, D.A. Purdie, A.F. Michaels & A.H. Knap (2001) Particulate organic carbon mass distribution at the Bermuda Atlantic Time-series Study (BATS) site. Deep-Sea Research II 48:1697-1718.
Orcutt, K.M., F. Lipschultz, K. Gundersen, R. Arimoto, A.F. Michaels, A.H. Knap & J.R. Gallon (2001) A seasonal study of the significance of N 2 fixation by Trichodesmium spp. at the Bermuda Atlantic Time-series Study (BATS) site. Deep-Sea Research II 48:1583-1608.
Heiskanen, A.-S., Haapala, J. & K. Gundersen (1998) Sedimentation and pelagic retention of particulate C, N and P in the coastal northern Baltic Sea. Estuarine, Coastal and Shelf Science 46:703-712.
Gundersen, K., G. Bratbak & M. Heldal (1996) Factors influencing the loss of bacteria in preserved seawater samples. Marine Ecology Progress Series 137:305-310.
Heiskanen, A.-S., T. Tamminen & K. Gundersen (1996) Impact of planktonic food web structure on nutrient retention and loss from late summer pelagic system in the northern Baltic Sea. Marine Ecology Progress Series 145:195-208.
Hansell, D., N.R. Bates & K. Gundersen (1995) Mineralization of dissolved organic carbon in the Sargasso Sea . Marine Chemistry 51:201-212.
Michaels, A.F., A.H. Knap, R.L. Dow, K. Gundersen, R.J. Johnson, J. Sorensen, A. Close, G.A. Knauer, S.E. Lohrenz, V.A. Asper, M. Tuel & R. Bidigare (1994) Seasonal patterns of ocean biogeochemistry at the U.S. JGOFS Bermuda Atlantic Time-series Study site. Deep-Sea Research 41:1013-1038.
Lignell, R., A.-S. Heiskanen, H. Kuosa, K. Gundersen, P. Kuuppo-Leinikki, R. Pajuniemi & A. Uitto (1993) Fate of phytoplankton spring bloom: sedimentation and carbon flow in the planktonic food web in the northern Baltic. Marine Ecology Progress Series 94:239-252.
