Advances in the Understanding of the Activity and Diversity of Nitrogen-Fixing Organisms in the Marine Environment


Session ID#: 31553

Session Description:
We propose to convene a town hall meeting to discuss recent advances in our understanding of the activity and diversity of nitrogen-fixing organisms in the marine environment. Specifically, we aim to provide a forum to discuss potential refinements of methods for detection of diazotrophic activity and diversity. Presentations will be led by members of a newly formed Ocean Carbon and Biogeochemistry (OCB) working group focused on this topic as well as invited speakers. With this town hall, we will seek feedback on the development of standardized practices that can reconcile rate measurements with molecular diversity and activity to better constrain the marine nitrogen cycle. The format of this town hall will include a series of short presentations, followed by an open forum for discussion with a rapporteur. Our target audience includes members of the oceanographic community who are interested in marine nitrogen cycling, particularly researchers employing isotopic tracer techniques to assess bulk rates of diazotrophy, as well as those seeking to characterize diazotrophic diversity in the marine environment.
Primary Contact:  Angelicque E White, Oregon State University, Corvallis, OR, United States
Presenter:  Jonathan P Zehr, UC Santa Cruz, Ocean Sciences, Santa Cruz, CA, United States
Cross-Topics:
  • B - Biodiversity
  • CT - Chemical Tracers, Organic Matter and Trace Elements
  • EP - Ecology and Physical Interactions
  • MM - Microbiology and Molecular Ecology
 

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