HE54C:
Western Antarctic Seas: From Trace Metals to Trophic Levels II Posters
Session ID#: 11383
Session Description:
Western Antarctic Seas are some of the most productive on earth. Therefore, it is no surprise that they have been the focus of numerous studies over the past several decades highlighting the importance of this region to the Southern Ocean and global elemental cycles. Western Antarctic Seas support a highly productive and diverse marine ecosystem that is strongly driven by seasonal shifts in micronutrient and light availability. Although mostly isolated from many of the direct anthropogenic influences in temperate regions, these seas remain highly susceptible to seasonal and climatic environmental change. This session invites research that is focused on changes occurring in the Western Antarctic due to disruptive singular events or changes over seasonal, annual or decadal (climate change) time scales. We encourage a variety of research topics including observational and manipulative studies spanning from trace metals to trophic levels. Abstracts may encompass the response of organisms to change at the physiological level and impacts of change on the structure and function of the Western Antarctic ecosystem.
Primary Chair: Jenna Spackeen, Virginia Institute of Marine Science, College of William & Mary, Gloucester Point, VA, United States
Chairs: Rachel E Sipler, Virginia Institute of Marine Science, College of William & Mary, Gloucester Point, VA, United States and Deborah Ann Bronk, College William & Mary/VIMS, Gloucester Point, VA, United States
Moderators: Jenna Spackeen, Virginia Institute of Marine Science, College of William & Mary, Gloucester Point, VA, United States and Rachel E Sipler, Virginia Institute of Marine Science, College of William & Mary, Gloucester Point, VA, United States
Student Paper Review Liaison: Deborah Ann Bronk, College William & Mary/VIMS, Gloucester Point, VA, United States
Co-Sponsor(s):
Abstracts Submitted to this Session:
Organic matter amount and types affect sediment microbial community in the Larsen A embayment after ice shelf disintegration (87925)
Megumi S Shimizu1, Michael McCormick2, Marcos Y Yoshinaga3, Kai-Uwe Hinrichs3 and Cindy Lee Van Dover1, (1)Duke University Marine Laboratory, Marine Science and Conservation, Beaufort, NC, United States, (2)Hamilton College, Clinton, United States, (3)MARUM - University of Bremen, Bremen, Germany
Transport of terrestrially derived nutrients along the Western Antarctic Peninsula, Anvers Island (92526)
David Reide Corbett, East Carolina University, Department of Coastal Studies, Greenville, NC, United States, Jared Crenshaw, East Carolina University, Greenville, NC, United States and Kimberly A Null, Moss Landing Marine Laboratories, Moss Landing, CA, United States
Summer ice melt influence on net community production along the Western Antarctic Peninsula (92679)
Rachel Eveleth1, Nicolas Cassar2, Robert M Sherrell3, Michael Paul Meredith4, Hugh W Ducklow5, Yajuan Lin6 and Zuchuan Li6, (1)Duke University, Earth and Ocean Sciences, Nicholas School of the Environment, Durham, NC, United States, (2)IUEM Institut Universitaire Européen de la Mer, LEMAR, Plouzané, France, (3)Rutgers University, Marine and Coastal Sciences and Earth and Planetary Sciences, New Brunswick, NJ, United States, (4)NERC British Antarctic Survey, Cambridge, United Kingdom, (5)Lamont -Doherty Earth Observatory, Division of Biology and Paleo Environment, Palisades, NY, United States, (6)Duke University, Durham, NC, United States
Ocean Color Reveals Multi-scale Responses of Phytoplankton to Changing Sea Ice and Ocean Temperatures along the Western Antarctic Peninsula. (93198)
Maria Kavanaugh, Woods Hole Oceanographic Institution, Woods Hole, MA, United States, Oscar Schofield, Rutgers University, Department of Marine and Coastal Sciences, New Brunswick, NJ, United States, Hugh W Ducklow, Lamont -Doherty Earth Observatory, Division of Biology and Paleo Environment, Palisades, NY, United States and Scott C Doney, University of Virginia, Department of Environmental Sciences, Charlottesville, VA, United States
Climate-sensitive carbon cycling on the western Antarctic continental shelf: results from the Amundsen Sea Polynya International Research Expedition (ASPIRE)
(Invited) (93407)
Patricia L Yager, University of Georgia, Athens, GA, United States, Robert M Sherrell, Rutgers University, Marine and Coastal Sciences and Earth and Planetary Sciences, New Brunswick, NJ, United States, Sharon Elisabeth Stammerjohn, University of Colorado Boulder, Boulder, CO, United States and the rest of the ASPIRE Science Team
Planktonic Responses to Simulated Warming and Elevated Iron Availability in McMurdo Sound: Community Composition and Microbial Interactions (91406)
Erin Marie Bertrand1, John McCrow2, Kai Xu3, Zhi Zhu3, David A Hutchins4, Rachel E Sipler5, Jenna Spackeen5, Deborah Ann Bronk6, Jeff McQuaid2 and Andrew E Allen7, (1)Dalhousie University, Halifax, NS, Canada, (2)J. Craig Venter Institute, La Jolla, CA, United States, (3)University of Southern California, Biology, Los Angeles, CA, United States, (4)University of Southern California, Marine and Environmental Biology, Los Angeles, CA, United States, (5)Virginia Institute of Marine Science, Gloucester Point, VA, United States, (6)College William & Mary/VIMS, Gloucester Point, VA, United States, (7)University of California, San Diego / J Craig Venter Institute, Scripps Institution of Oceanography, La Jolla, CA, United States
Iron and temperature interactive effects on diatoms and
Phaeocystis antarctica from the Ross Sea, Antarctica
(87935)
Zhi Zhu1, Kai Xu1, Feixue Fu1, Jenna Spackeen2, Deborah Ann Bronk2 and David A Hutchins1, (1)University of Southern California, Biology, Los Angeles, CA, United States, (2)Virginia Institute of Marine Science, Gloucester Point, VA, United States
Antarctic Phytoplankton down-regulate Their Carbon-Concentrating Mechanisms under High CO
2 with no Change in Growth Rates (88833)
Sven Alexander Kranz1, Jodi N Young2, Johanna Goldman2, Philippe Daniel Tortell3 and Francois M Morel2, (1)Florida State University, Earth, Ocean and Atmospheric Science, Tallahassee, FL, United States, (2)Princeton University, Geoscience, Princeton, NJ, United States, (3)University of British Columbia, EOAS, Vancouver, BC, Canada
Effects of iron and dissolved N:P stoichiometry on the uptake of bicarbonate, nitrate, and amino acids by a Ross Sea microbial community (93582)
Jenna Spackeen1, Rachel E Sipler1, Erin Marie Bertrand2, David A Hutchins3, Andrew E Allen4 and Deborah Ann Bronk1, (1)Virginia Institute of Marine Science, College of William & Mary, Gloucester Point, VA, United States, (2)Dalhousie University, Halifax, NS, Canada, (3)University of Southern California, Marine and Environmental Biology, Los Angeles, CA, United States, (4)University of California, San Diego / J Craig Venter Institute, Scripps Institution of Oceanography, La Jolla, CA, United States
Photoinhibition of phytoplankton and ice algae in the West Antarctic Peninsula (89858)
Hannah Joy-Warren, Kevin R Arrigo, Gert van Dijken, Anne-Carlijn Alderkamp and Kate M Lewis, Stanford University, Earth System Science, Stanford, CA, United States
Microbial response to different phytoplankton-derived dissolved organic matter sources in the Ross Sea, Antarctica (91854)
Rachel E Sipler1, Jenna Spackeen2, Jeff McQuaid3, Erin Marie Bertrand4, Quinn N Roberts2, Steven Baer5, David A Hutchins6, Andrew E Allen7 and Deborah Ann Bronk8, (1)Virginia Institute of Marine Science, Gloucester Point, VA, United States, (2)Virginia Institute of Marine Science, College of William & Mary, Gloucester Point, VA, United States, (3)J. Craig Venter Institute, La Jolla, CA, United States, (4)Dalhousie University, Halifax, NS, Canada, (5)Bigelow Lab for Ocean Sciences, East Boothbay, ME, United States, (6)University of Southern California, Marine and Environmental Biology, Los Angeles, CA, United States, (7)University of California, San Diego / J Craig Venter Institute, Scripps Institution of Oceanography, La Jolla, CA, United States, (8)College William & Mary/VIMS, Gloucester Point, VA, United States
Project CONVERGE: Estimated physical and biological decorrelation time and space scales from coordinated AUV observations in coastal Antarctica (92201)
Matthew J Oliver1, Josh T Kohut2, Megan A Cimino1, Peter Winsor3, Hank Statscewich3, Travis N Miles4, Katherine Todoroff2, William Fraser5, Filipa Carvalho2 and Donna Patterson-Fraser5, (1)University of Delaware, Lewes, DE, United States, (2)Rutgers University New Brunswick, New Brunswick, NJ, United States, (3)University of Alaska Fairbanks, College of Fisheries and Ocean Sciences, Fairbanks, AK, United States, (4)Rutgers University, Marine and Coastal Sciences, New Brunswick, NJ, United States, (5)Polar Oceans Research Group, United States
Environmental Factors Influencing Antarctic Krill Recruitment along the Western Antarctic Peninsula (92328)
Joseph S Cope1, Deborah K Steinberg1 and Stéphane Thanassekos2, (1)Virginia Institute of Marine Science, Department of Biological Sciences, Gloucester Point, VA, United States, (2)Virginia Institute of Marine Science, Department of Fisheries Science, Gloucester Point, VA, United States
Spatial and Developmental Effects on the Accumulation of Mercury in Antarctic Krill (
E. superba)
Along the West Antarctic Peninsula (WAP) (88168)
Philip Sontag, Rutgers University, Environmental Sciences, New Brunswick, NJ, United States, Deborah K Steinberg, College of William and Mary, Williamsburg, VA, United States and John R Reinfelder, Rutgers University New Brunswick, New Brunswick, NJ, United States
Dissolved elemental mercury and dimethylmercury in continental shelf surface waters west of the Antarctic Peninsula (90491)
John R Reinfelder, Rutgers Univ, New Brunswick, NJ, United States, Philip Sontag, Rutgers University, Environmental Sciences, New Brunswick, NJ, United States, Oscar Schofield, Rutgers University, Department of Marine and Coastal Sciences, New Brunswick, NJ, United States and Hugh W Ducklow, Lamont -Doherty Earth Observatory, Division of Biology and Paleo Environment, Palisades, NY, United States
Specialist Individuals, Generalist Populations, and Gentoo Penguin Foraging Ecology Across the Scotia Arc During a Time of Rapid Environmental Change (88887)
Rachael Herman and Michael J Polito, Louisiana State University, Oceanography and Coastal Sciences, Baton Rouge, LA, United States
Claw Strength of Lithodid King Crabs in Antarctic Waters (88225)
Brittan Victoria Steffel1, Kathryn Smith1 and Richard B Aronson2, (1)Florida Institute of Technology, Biological Sciences, Melbourne, FL, United States, (2)Florida Institute of Technology, Department of Biological Sciences, Melbourne, FL, United States
