Marine biogeochemistry is critical to the ocean’s ability to regulate atmospheric concentrations of carbon dioxide and other greenhouse gases. Here we examine the nutrient and microbial processes that are important for sustaining the marine biological carbon pump (e.g. new/export production, nitrogen fixation, denitrification), focusing on the use of stable isotope probing, ‘omics’techniques, trace metals, radioisotopes, micro-nutrients, numerical simulations, and more. The goal of this session is to bring together marine biogeochemists using these various methods to obtain a more accurate view of biologically-related elemental cycling in the ocean—from microbes to macro fauna.
Primary Chair: Patrick A Rafter, University of California Irvine, Earth System Science, Irvine, CA, United States
Co-chairs: Alexis Pasulka, California Polytechnic State University, San Luis Obispo, Department of Biological Sciences, San Luis Obispo, CA, United States, Robert T Letscher, University of New Hampshire, Earth Sciences, Durham, United States and Katherine Dawson, Caltech MC 100-23, Pasadena, United States
Primary Liaison: Patrick A Rafter, University of South Florida, College of Marine Science, St Petersburg, United States
Moderators: Robert T Letscher, University of New Hampshire, Earth Sciences, Durham, United States and Katherine Dawson, Caltech MC 100-23, Pasadena, United States
Student Paper Review Liaison: Robert T Letscher, University of New Hampshire, Earth Sciences, Durham, United States
A Targeted Lipidomics and Compound- Specific Isotope Ratio Analysis Approach in Profiling Microbial Community in Submarine Groundwater Discharge in Southern Luzon, Philippines (657746)
Jihan Al-Shdifat, The Marine Science Institute, University of the Philippines - Diliman, Quezon City, Philippines, Caroline Marie Jaraula, Marine Science Institute, University of the Philippines, Metro Manila, Philippines, M. Bayani Cardenas, University of Texas at Austin, Earth and Planetary Sciences, Austin, United States, Aljon Francis Koji Elegado, The Marine Science Institute, University of the Philippines- Diliman, Philippines, Danie Mao-Chang Liang, Academia Sinica, Taiwan, Raymond Rodolfo, Ateneo de Manila University, Department of Environmental Science, Quezon City, Philippines and Mark Lapus, Ridge to Reef Solutions, Inc., Philippines
Ammonium Dynamics in the South China Sea-Kuroshio and the Mid-Atlantic Shelf Break Frontal Zones (647335)
Yifan Zhu, Old Dominion University, Ocean, Earth and Ocean Sciences, Norfolk, United States, Minhan Dai, Xiamen University, State Key Laboratory of Marine Environmental Science, Xiamen, China, Dennis Joseph McGillicuddy Jr, Woods Hole Oeanographic Institution, Woods Hole, MA, United States, Margaret R Mullholland, Old Dominion University, Ocean and Earth Sciences, Norfolk, VA, United States, Phoebe Dreux Chappell, Old Dominion University, Ocean, Earth and Atmospheric Sciences, Norfolk, United States and Sophie Clayton, National Oceanography Centre, Southampton, United Kingdom
Controls on dissolved organic carbon and nitrogen distributions in the upper South Pacific Ocean (643503)
Mariana Bernardi Bif, Monterey Bay Aquarium Research Institute (MBARI), Moss Landing, United States, Annie Bourbonnais, University of South Carolina, School of Earth, Ocean, and Environment, Columbia, United States, Julie Granger, University of Connecticut, Marine Sciences, Groton, United States, Mark A Altabet, Univ Massachusetts Darmouth, New Bedford, United States and Dennis A Hansell, University of Miami, Miami, FL, United States
Nitrification in Mode Water Formation Regions and its Contribution to Low Latitude Nitrogen Supply (652091)
Robyn Tuerena, University of Edinburgh, Edinburgh, United Kingdom, Pearse Buchanan, University of Liverpool, Department of Earth, Ocean and Ecological Sciences, Liverpool, United Kingdom, Alessandro Tagliabue, University of Liverpool, Earth, Ocean and Ecological Sciences, Liverpool, L69, United Kingdom and Raja Ganeshram, University of Edinburgh, School of Geosciences, Edinburgh, United Kingdom
Nitrogen fixation can support a substantial fraction of pelagic primary production in Brazilian waters (640290)
Ana Fernández-Carrera, University of Vigo, Ecoloxia e Bioloxia Animal, Ourense, Spain, Amalia Maria Sacilotto Detoni, Instituto Nacional de Pesquisas Espaciais, São José dos Campos, Brazil, Peter Brandt, GEOMAR, Kiel, Germany and Ajit Subramaniam, Columbia University, Lamont-Doherty Earth Observatory, Palisades, United States
Nitrogenous Nutrient Preferences and Intracellular Ammonium Accumulation by the Bloom-Forming Mixotroph Green Noctiluca scintillans (652835)
Alisa D'Souza, Peekskill High School, Peekskill, NY, United States, Aviva Schwarz, Bronx High School of Science, Bronx, NY, United States, Hao Luo, Xiamen University, State Key Laboratory of Environmental Sciences, Xiamen, China, Helga R Gomes, Lamont Doherty Earth Obs, Palisades, NY, United States and Joaquim I Goes, Lamont Doherty Earth Obs, Palisades, United States
Primary productivity and nitrogen uptake in the eastern tropical Pacific Ocean (656789)
Margaret R Mullholland, Old Dominion University, Ocean and Earth Sciences, Norfolk, VA, United States, Corday R. Selden, Cuernavaca, Mexico, Peter W Bernhardt, Old Dominion University, Ocean and Earth Sciences, Norfolk, United States and Brittany Widner, Woods Hole Oceanographic Institution, Marine Chemistry & Geochemistry, Woods Hole, MA, United States
The kinetics of ammonium uptake and oxidation during winter across the Indian sector of the Southern Ocean (646519)
Mhlangabezi Mdutyana1, Xin Sun2, Jessica Burger1, Sandy Jane Thomalla3, Bess B Ward4 and Sarah Fawcett5, (1)University of Cape Town, Oceanography, Cape Town, South Africa, (2)Princeton University, Princeton, NJ, United States, (3)CSIR, Southern Ocean Carbon and Climate Observatory, South Africa, (4)Princeton University, Department of Geosciences, Princeton, NJ, United States, (5)University of Cape Town, Oceanography Department, Cape Town, South Africa
Vitamin B12 and the microbial heterotrophic and autotrophic metabolism in two regions influence by the California current. (648537)
Josue Villegas-Mendoza1, Mary Carmen Ruiz-de la Torre2, Karina Lugo-Ibarra3, Diana Rodriguez Escobar3 and Andrés Cano-Suzan4, (1)Autonomous University of Baja California, Marine Science Faculty, Ensenada, BJ, Mexico, (2)Autonomous University of Baja California, Marine Science Faculty, Mexicali, BJ, Mexico, (3)Universidad Autónoma de Baja California, Facultad de Ciencias Marinas, Ensenada, BJ, Mexico, (4)Universidad Autónoma de Baja, Facultad de Ciencias Marinas, Ensenada, BJ, Mexico
