Publications

Sohm JA, Mahaffey C, and Capone DG. 2008. Assessment of relative phosphorus limitation of Trichodesmium spp. in the North Pacific and Atlantic and the North Coast of Australia. Limnology and Oceanography 53(6):2495-2502

Sohm JA and Capone DG (2006) Phosphorus dynamics of the tropical and subtropical north Atlantic: Trichodesmium vs. bulk plankton. Marine Ecology Progress Series 317:21-28 PDF

Krauk J, Villareal TA, Sohm JA, Montoya DG, Capone DG (2006) Plasticity of N:P ratios in laboratory and field populations of Trichodesmium spp. Aquatic Microbial Ecology 42:243-253 PDF

McFadden CS, Tullis LD, Hutchinson MB, Winner K, Sohm JA (2004) Variation in coding (NADH dehydrogenase subunits 2, 3, and 6) and noncoding intergenic spacer regions of the mitochondrial genome in Octocorallia (Cnidaria : Anthozoa). Marine Biotechnology 6(6):516-526 PDF

 

Presentations

2008. Harvey Mudd College.  To fix or not to fix: nutrient controls on N2 fixation.  Invited talk.

2008. University of Washington.  Nutrient controls on N2 fixation.  Invited talk.

2008. American Society of Limnology and Oceanography Ocean Sciences Meeting.  Nitrogen Fixation in the North Pacific Ocean: rates and spatial variability in Functional group activity.  Talk.

2007. Laboratoire Oceanoligique Villefranche. Phosphorus limitation of diazotrophs in field populations and culture.  Invited talk.

2006. American Society of Limnology and Oceanography Ocean Sciences Meeting.  Assessment of Relative Phosphorus Limitation of Trichodesmium in the North Pacific and Atlantic and the North Coast of Australia.  Poster.

2005. American Society of Limnology and Oceanography Aquatic Sciences Meeting.  Phosphorus dynamics of the North Atlantic: Trichodesmium vs. bulk plankton.  Poster.

2004. American Society of Limnology and Oceanography Ocean Sciences Meeting.  Phosphorus acquisition in Trichodesmium and other nitrogen fixers in the Subtropical North Atlantic and Pacific.  Poster.

 

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