HE53B:
Western Antarctic Seas: From Trace Metals to Trophic Levels I


Session ID#: 9633

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
Index Terms:

1630 Impacts of global change [GLOBAL CHANGE]
4845 Nutrients and nutrient cycling [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]
4855 Phytoplankton [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]
9310 Antarctica [GEOGRAPHIC LOCATION]
Co-Sponsor(s):
  • B - Biogeochemistry and Nutrients
  • PC - Past, Present and Future Climate
  • PP - Phytoplankton and Primary Production

Abstracts Submitted to this Session:

HE53B-01
Ross Sea Ecosystem Responses to Climatic Changes during the Mid-to-Late Holocene as Indicated by Bulk Stable Isotope Analyses of Antarctic Seals (93568)
Emily Brault1, Paul L. Koch2, Matthew McCarthy3, Brenda L Hall4, A. R. Hoelzel5, Andreanna J Welch5, Jonathan W Nye6 and Aaron P Rosenfield1, (1)University of California, Santa Cruz, Ocean Sciences, Santa Cruz, CA, United States, (2)University of California Santa Cruz, Santa Cruz, CA, United States, (3)University of California Santa Cruz, Ocean Sciences Department, Santa Cruz, CA, United States, (4)University of Maine, School of Earth and Climate Sciences and Climate Change Institute, Orono, ME, United States, (5)Durham University, School of Biological and Biomedical Sciences, Durham, United Kingdom, (6)University of California, Merced, Merced, CA, United States
HE53B-02
Decadal variability in phytoplankton community structure along the West Antarctic Peninsula. (91775)
Oscar Schofield1, Grace Saba2, Travis N Miles3, Filipa Carvalho4 and Nicole Couto3, (1)Rutgers University, Department of Marine and Coastal Sciences, New Brunswick, NJ, United States, (2)Mid-Atlantic Regional Association Coastal Ocean Observing System and Rutgers University, Department of Marine and Coastal Science, New Brunswick, NJ, United States, (3)Rutgers University, Marine and Coastal Sciences, New Brunswick, NJ, United States, (4)Institute of Marine and Coastal Science, New Brunswick, NJ, United States
HE53B-03
Long-Term Patterns in Production and Export of Fecal Pellets by Krill and Salps along the Western Antarctic Peninsula (91607)
Deborah K Steinberg, Kate E Ruck and Joseph S Cope, Virginia Institute of Marine Science, College of William and Mary, Gloucester Point, VA, United States
HE53B-04
Climate-driven Sympatry does not Lead to Foraging Competition Between Adélie and Gentoo Penguins (88247)
Megan A Cimino1, Mark A Moline1, William Fraser2, Donna Patterson-Fraser2 and Matthew J Oliver1, (1)University Of Delaware, Lewes, DE, United States, (2)Polar Oceans Research Group, United States
HE53B-05
Project CONVERGE: Impacts of local oceanographic processes on Adélie penguin foraging ecology (92141)
Josh T Kohut1, Kim Sarah Bernard2, William Fraser3, Matthew J Oliver4, Hank Statscewich5, Donna Patterson-Fraser3, Peter Winsor5, Megan A Cimino4 and Travis N Miles1, (1)Rutgers University, Marine and Coastal Sciences, New Brunswick, NJ, United States, (2)Oregon State University, Corvallis, OR, United States, (3)Polar Oceans Research Group, United States, (4)University Of Delaware, Lewes, DE, United States, (5)University of Alaska Fairbanks, College of Fisheries and Ocean Sciences, Fairbanks, AK, United States
HE53B-06
Durophagous Predation by King Crabs on the Continental Slope off Antarctica (88219)
Kathryn Smith1, Richard B Aronson2, Brittan Victoria Steffel1, James B McClintock3, Margaret Amsler3 and Sven Thatje4, (1)Florida Institute of Technology, Biological Sciences, Melbourne, FL, United States, (2)Florida Institute of Technology, Department of Biological Sciences, Melbourne, FL, United States, (3)University of Alabama at Birmingham, (4)University of Southampton
HE53B-07
Meltwater Pathways and Iron Delivery to the Antarctic Coastal Ocean (93563)
Kimberly A Null, Moss Landing Marine Laboratories, Moss Landing, CA, United States, David Reide Corbett, East Carolina University, Department of Coastal Studies, Greenville, NC, United States, Jared Crenshaw, East Carolina University, Greenville, NC, United States, Richard N Peterson, Coastal Carolina University, Coastal and Marine Systems Science, Conway, SC, United States, Leigha Peterson, Coastal Carolina University, Conway, SC, United States, Clifton S Buck, Skidaway Institute of Oceanography, Savannah, GA, United States and William B Lyons, Ohio State Univ, Columbus, OH, United States
HE53B-08
Effect of increased temperature, CO2, and iron on nitrate uptake and primary productivity in the coastal Ross Sea (93489)
Deborah Ann Bronk1, Jenna Spackeen1, Rachel E Sipler1, Erin Marie Bertrand2, Quinn N Roberts1, Kai Xu3, Steven Baer4, Jeff McQuaid5, Zhi Zhu3, Nathan gerard Walworth6, David A Hutchins7 and Andrew E Allen8, (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, Biology, Los Angeles, CA, United States, (4)Bigelow Lab for Ocean Sciences, East Boothbay, ME, United States, (5)J. Craig Venter Institute, La Jolla, CA, United States, (6)University of Southern California, (7)University of Southern California, Marine and Environmental Biology, Los Angeles, CA, United States, (8)University of California, San Diego / J Craig Venter Institute, Scripps Institution of Oceanography, La Jolla, CA, United States
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