OB017
Marine Sediments: Fluxes, Fauna, and Forecasting
Session ID#: 84623
Session Description:
Marine sediments are home to a diverse assemblage of microbes and, as a result, are the setting for a wide array of biogeochemical cycles. From permeable sands to organic-rich muds, these environments support larger communities of benthic flora and fauna who, in turn, enhance biogeochemical cycling through bioturbation, nutrient delivery, and microbial gardening. Physical processes, such as advective flow and fluctuations in temperature, can lead to oscillating redox boundaries and altered rates of carbon burial. As sampling and research techniques have become more advanced, appreciation for the role of marine sediments in global biogeochemical cycles has grown. However, many marine sediment environments remain understudied and face a variety of immediate concerns, such as bottom trawling, seabed mining, deoxygenation in the overlying water, and increased sediment deposition following terrestrial soil erosion events. This session will combine modeling, laboratory, and field-based studies, especially ones that are multidisciplinary in nature, in an effort to further our understanding of marine sediments and more precisely predict their response to changing ocean conditions. Abstract topics may include, but are not limited to, biogeochemical fluxes, bioturbation/bioirrigation processes, organismal/microbial community structure and function, biophysical coupling, and human-mediated disturbances.
Index Terms:
3022 Marine sediments: processes and transport [MARINE GEOLOGY AND GEOPHYSICS]
4804 Benthic processes, benthos [OCEANOGRAPHY: BIOLOGICAL]
4805 Biogeochemical cycles, processes, and modeling [OCEANOGRAPHY: CHEMICAL]
4815 Ecosystems, structure, dynamics, and modeling [OCEANOGRAPHY: BIOLOGICAL]
Primary Chair: Heili Lowman, University of California, Santa Barbara, Department of Ecology, Evolution, and Marine Biology, Santa Barbara, CA, United States
Co-Chair: Tina Treude, University of California Los Angeles, Department of Earth, Planetary and Space Sciences, Los Angeles, United States; University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States
Primary Liaison: Heili Lowman, University of California, Santa Barbara, Department of Ecology, Evolution, and Marine Biology, Santa Barbara, CA, United States
Another Skate, Another dollar: Correlations Between Substrate and Geoform on Benthic Fauna in the New York Bight (636270)
Michael William Sautter II, NOAA Washington DC, National Center for Coastal Ocean Science, Washington, DC, United States and Bethany Williams, NOAA, National Centers for Coastal Ocean Science, Silver Spring, MD, United States
Coupling of sulfur, nitrogen and carbon biogeochemistry in oxygen minimum zone sediments covered by giant sulfur bacteria mats (Santa Barbara Basin, California) (636413)
Tina Treude1, David W Valentine Jr2, Kelsey Gosselin3, Felix Janssen4, Frank Kinnaman3, Sebastian Krause5, Na Liu6, Xuefeng Peng7, Qianhui Qin8, De'Marcus Robinson8, Jonathan Tarn9, Frank Wenzhofer10 and David John Yousavich11, (1)University of California Los Angeles, Department of Earth, Planetary and Space Sciences, Los Angeles, United States, (2)University of California Santa Barbara, CA, United States, (3)University of California Santa Barbara, Earth Science, Santa Barbara, CA, United States, (4)Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany, (5)University of California Los Angeles, Los Angeles, CA, United States, (6)University of California Santa Barbara, Inderdepartmental Graduate Program in Marine Science, Santa Barbara, CA, United States, (7)University of California Santa Barbara, Marine Science Institute, Santa Barbara, CA, United States, (8)University of California Los Angeles, United States, (9)University of California Santa Barbara, Santa Barbara, CA, United States, (10)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, HGF-MPG Group for Deep Sea Ecology and Technology, Bremerhaven, Germany, (11)University of California Los Angeles, CA, United States
The effect of anthropogenically induced sediment disturbances on carbon mineralisation pathways in coastal sediments (638793)
Sebastiaan van de Velde, University of California, Riverside, Department of Earth and Planetary Sciences, Riverside, CA, United States and Filip J R Meysman, Universiteit Antwerpen, Department of Biology, Antwerpen, Belgium
Sequestration of Methane by Symbiotic Deep-Sea Annelids: Ancient and Future Implications of Redefining the Seep Influence (642002)
Shana Goffredi, Occidental College, Los Angeles, CA, United States, Ekin Tilic, University of Bonn, Germany, Lisa A Levin, Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, United States, Greg W. Rouse, Scripps Institution of Oceanography, University of California San Diego, Marine Biology Research Division, La Jolla, CA, United States, Erik E Cordes, Temple University, Philadelphia, PA, United States and Victoria J Orphan, California Institute of Technology, Pasadena, CA, United States
Cable bacteria promote electrogenic nitrification in marine sediment (643214)
Hang Yin1, Qingzhi Zhu2, Josephine Y Aller2 and Robert C Aller3, (1)Stony Brook University, Stony Brook, NY, United States, (2)Stony Brook University, School of Marine and Atmospheric Sciences, Stony Brook, NY, United States, (3)SUNY StonyBrook, Stony Brook, NY, United States
Diversity and Environmental Tolerance of Benthic Diatoms Occurring in the Tidal Flat of Seto Inland Sea, Japan (645025)
Ayami Hagiwara1, Ayu Lana Nafisyah2, Daichi Tanaka3 and Kazuhiko Koike1, (1)Hiroshima University, Graduate School of Integrated Sciences for Life, Higashi-Hiroshima, Japan, (2)Hiroshima University, Graduate School of Biosphere Science, Higashi-Hiroshima, Japan, (3)Hiroshima University, Faculty of Applied Biological Science, Japan
Determining the role of benthic diatoms in ecosystem primary production in the Damariscotta River Estuary (646079)
Emilee Burris1,2, Jeremy Joel Rich3, Sean O'Neill3 and Christopher K Algar4, (1)University of Southern Maine, Gorham, ME, United States, (2)Dalhousie University, Oceanography, Halifax, NS, Canada, (3)University of Maine, School of Marine Sciences, Orono, ME, United States, (4)Dalhousie University, Halifax, NS, Canada
Evidence of Changes in Sedimentation Rate and Sediment Fabric in a Low Oxygen Setting: Santa Monica Basin, CA (646546)
Nathaniel James Kemnitz1, William Berelson2, Douglas E Hammond2 and Tina Treude3, (1)University of Southern California, CA, United States, (2)University of Southern California, Los Angeles, CA, United States, (3)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
In Situ Techniques for Measuring Carbonate Chemistry in Deep-Sea Pore Waters (647244)
Jaclyn E Pittman1, Nick Rollins1, Jess F Adkins2 and William Berelson1, (1)University of Southern California, Los Angeles, CA, United States, (2)California Institute of Technology, Pasadena, CA, United States
Benthic Foraminiferal Mediated Denitrification as the Major Nitrogen Sink in a Semi-Enclosed Estuary (647428)
Subhadeep Rakshit1, Andrew Dale2, Maria Armstrong1 and Christopher K Algar3, (1)Dalhousie University, Department of Oceanography, Halifax, NS, Canada, (2)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (3)Dalhousie University, Halifax, NS, Canada
Diversity of benthic diatoms inhabiting on/in the sediment of mangroves in Indonesia (649064)
Ayu Lana Nafisyah1,2, Ayami Hagiwara3, Yuji Sakuno4, Endang Dewi Masithah2 and Kazuhiko Koike3, (1)Hiroshima University, Graduate School of Biosphere Science, Higashi-Hiroshima, Japan, (2)Universitas Airlangga, Fisheries and Marine Faculty, Surabaya, Indonesia, (3)Hiroshima University, Graduate School of Integrated Sciences for Life, Higashi-Hiroshima, Japan, (4)Hiroshima University, Graduate School of Engineering, Higashi-Hiroshima, Japan
The Effect of Radium Partitioning on Hydrothermal Fluid Flow Determination across Guaymas Basin (651753)
Charlotte Kollman, Coastal Carolina University, Coastal and Marine Wetland Studies, Conway, SC, United States, Richard N Peterson, Coastal Carolina University, Coastal and Marine Systems Science, Conway, SC, United States, Andreas Teske, Univ of North Carolina, Marine Science, Chapel Hill, United States and Leigha Peterson, Coastal Carolina University, Conway, SC, United States
Benthic ecosystem functioning across the deep seafloor biome of the western Clarion-Clipperton Zone, a deep-sea mining region. (651838)
Marta Maria Cecchetto1, Annabell Moser1, Dick van Oevelen2, Clayton Magill1, Kristina Peterson1, Craig R Smith3 and Andrew K Sweetman1, (1)Heriot-Watt University, Lyell Centre, Edinburgh, United Kingdom, (2)NIOZ, Royal Netherlands Institute for Sea Research and Utrecht University, Department of Estuarine and Delta Systems, Yerseke, Netherlands, (3)University of Hawaii at Manoa, Department of Oceanography, Honolulu, HI, United States
Environmental constraints of microbial carbon dynamics in hydrothermally impacted sediments of the Guaymas Basin (654822)
Andy Montgomery1, Guangchao Zhuang1, Kimberley Hunter1, Andreas Teske2 and Samantha Benton Joye3, (1)University of Georgia, Department of Marine Sciences, Athens, GA, United States, (2)Univ of North Carolina, Marine Science, Chapel Hill, United States, (3)Univ Georgia, Department of Marine Sciences, Athens, GA, United States
MACROBENTHIC FAUNA IN DEAD-END CANALS OF THE MARYLAND COASTAL BAYS, USA (656530)
Kayle Krieg, University of Maryland Eastern Shore, Princess Anne, MD, United States, Andres Morales-Nunez, University of Maryland Eastern Shore (UMES), Natural Sciences, Princess Anne, MD, United States and Paulinus Chigbu, University of Maryland Eastern Shore, Natural Sciences, Princess Anne, MD, United States
Living with the Toxic Legacy of DDT, Floods Accelerating the Pathway from Catchments to the Coast (656762)
Nathaniel Deering1, Simon Albert1, Maia Dupes2, Craig Wilson3, Jessica Rudd3 and Alistair Robert Grinham4, (1)The University of Queensland, Aquatic Systems Research Group, School of Civil Engineering, Brisbane, QLD, Australia, (2)Virginia Polytechnic Institute and State University, Blacksburg, United States, (3)The Port of Brisbane Pty Ltd, QLD, Australia, (4)The University of Queensland, School of Civil Engineering, Brisbane, QLD, Australia
Determination of Sediment Impacts Due to Exploratory Oil Operations Using Likelihood Based Statistics. (657526)
Kenia Whitehead1, Dreas Nielsen2, Brandon Sackmann1, Michael Macrander2 and Damian Preziosi3, (1)Integral Consulting Inc., Olympia, WA, United States, (2)Integral Consulting Inc., WA, United States, (3)Integral Consulting Inc., MD, United States
