B41E:
Changing Ecosystems of the Arctic and Antarctic Posters II

Thursday, 18 December 2014: 8:00 AM-12:20 PM
Chairs:  Gaius R Shaver, Marine Bio Lab, Woods Hole, MA, United States, Jacqueline M Grebmeier, Univ MD Center Enviro Science, Solomons, MD, United States and Eileen E Hofmann, Old Dominion University, Gloucester, VA, United States
Primary Conveners:  Lauren M Everett, National Academy of Sciences, Polar Research Board, Washington, DC, United States
Co-conveners:  Eileen E Hofmann, Old Dominion U-Innov Res Bldg, Norfolk, VA, United States, Jacqueline M Grebmeier, Univ MD Center Enviro Science, Solomons, MD, United States and Gaius R Shaver, Marine Bio Lab, Woods Hole, MA, United States
OSPA Liaisons:  Gaius R Shaver, Marine Bio Lab, Woods Hole, MA, United States

Abstracts Submitted to this Session:

 
Changing Seasonality of Tundra Vegetation and Associated Climatic Variables
Uma Suren Bhatt1, Donald A Walker1, Martha K Raynolds1, Peter Bieniek2, Howard E Epstein3, Josefino C Comiso4, Jorge Pinzon4, Compton J Tucker5, Michael Steele6, Wendy S Ermold7 and Jinlun Zhang8, (1)University of Alaska Fairbanks, Fairbanks, AK, United States, (2)International Arctic Research Center, Fairbanks, AK, United States, (3)University of Virginia Main Campus, Environmental Sciences, Charlottesville, VA, United States, (4)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (5)NASA Goddard Space Flight Cen., Greenbelt, MD, United States, (6)Univ Washington, Seattle, WA, United States, (7)Applied Physics Laboratory University of Washington, Kenmore, WA, United States, (8)University of Washington, Seattle, WA, United States
 
Transformation of Peat-Forming Ecosystems in a Changing Climate and Landscape on the Western Antarctic Peninsula
Zicheng Yu1, Julie Loisel1, Dave Beilman2 and Kate Cleary1, (1)Lehigh University, Department of Earth and Environmental Sciences, Bethlehem, PA, United States, (2)University of Hawaii at Manoa, Department of Geography, Honolulu, HI, United States
 
Diverging Plant and Ecosystem Strategies in Response to Climate Change in the High Arctic
Kadmiel S Maseyk1,2, Jeffrey M Welker3, Claudia I Czimczik4, Massimo Lupascu4, Celine Lett2,5 and Ulrike H Seibt2,6, (1)Open University, Milton Keynes, MK7, United Kingdom, (2)University Pierre and Marie Curie Paris VI, Paris, France, (3)University of Alaska Anchorage, Department of Biological Sciences, Anchorage, AK, United States, (4)Univ of California, Irvine, Irvine, CA, United States, (5)NERC British Antarctic Survey, Cambridge, United Kingdom, (6)University of California Los Angeles, Los Angeles, CA, United States
 
A Greener Arctic: Vascular Plant Litter Input in Subarctic Peat Bogs Changes Soil Invertebrate Diets and Decomposition Patterns
Eveline J. Krab1,2, Matty P. Berg2, Rien Aerts2, Richard S.P. van Logtestijn2 and Johannes H.C. Cornelissen2, (1)Umeå University, Umeå, Sweden, (2)VU University Amsterdam, Ecological Sciences, Amsterdam, Netherlands
 
Developmental History of an Intriguing Peat-Forming Community Along the West Antarctic Peninsula
Julie Loisel, University of California Los Angeles, Los Angeles, CA, United States, Zicheng Yu, Lehigh University, Department of Earth and Environmental Sciences, Bethlehem, PA, United States, Dave Beilman, University of Hawaii at Manoa, Department of Geography, Honolulu, HI, United States and Karl Kaiser, Texas A&M University at Galveston, Galveston, TX, United States
 
Modeling study of phytoplankton and sea ice algal production and phenology in the Antarctic Ocean
Meibing Jin, University of Alaska Fairbanks, Fairbanks, AK, United States
 
A Shift to Melted Sea Ice From Runoff as the Major Component of Chukchi Shelf Open Water Freshwater Fractions, 1993-2013
Lee W Cooper1, Karen E Frey2, Christie L Logvinova2, Dana M Biasatti1 and Jacqueline M Grebmeier1, (1)Univ MD Center Enviro Science, Solomons, MD, United States, (2)Clark University, Graduate School of Geography, Worcester, MA, United States
 
CO2 Flux From Antarctic Dry Valley Soils: Determining the Source and Environmental Controls
David A Risk1, Chris M Macintyre1, Fiona Shanhun2, Peter C Almond2, Charles Lee3 and Craig Cary3, (1)St. Francis Xavier University, Earth Sciences, Antigonish, NS, Canada, (2)Lincoln University, Agriculture and Life Sciences, Lincoln, New Zealand, (3)University of Waikato, International Centre for Terrestrial Antarctic Research, Hamilton, New Zealand
 
Linking Hydrology, Shrub Habitat, and Novel Wildlife in the Arctic
Ken D Tape1, Jonathan A. O'Donnell2 and Katie Christie1, (1)University of Alaska Fairbanks, Fairbanks, AK, United States, (2)National Park Service Anchorage, Anchorage, AK, United States
 
Variability in Canopy Transpiration with Atmospheric Drivers and Permafrost Thaw Depth in an Arctic Siberian Larch Forest
Michael M Loranty, Colgate University, Geography, Hamilton, NY, United States, Logan T. Berner, Oregon State University, Las Vegas, NV, United States, Heather Dawn Alexander, University of Texas at Brownsville, Brownsville, TX, United States and Sergey P Davydov, Far Eastern Branch of Russian Academy of Sciences, Pacific Institute of Geography, North-East Science Station, Cherskii, Russia
 
An Inter-Disciplinary Approach to Assess Adaptation Processes Resulting From a Long-Term Drainage Disturbance of a Permafrost Ecosystem
Mathias Goeckede1, Min Jung Kwon1, Fanny Kittler1, Ina Burjack1, Martin Heimann1, Nikita Zimov2 and Sergei A Zimov2, (1)Max Planck Institute for Biogeochemistry, Jena, Germany, (2)Northeast Scientific Station, Cherskiy, Russia
 
Effects of Winter Climate Change on Plant and Soil Ecology of Cryoturbated Non-Sorted Circles Tundra
Sylvain Monteux1, Eveline J. Krab2, Jonas Rönnefarth3, Marina Becher2, Gesche Blume-Werry1, Jürgen Kreyling3, Frida Keuper1, Jonatan Klaminder2, Makoto Kobayashi4, Erik J Lundin5, Ann Milbau1, Laurenz Michael Teuber2, James Weedon6 and Ellen Dorrepaal7, (1)Umeå University, Abisko, Sweden, (2)Umeå University, Umeå, Sweden, (3)University of Bayreuth, Bayreuth, Germany, (4)Hokkaido University, Sapporo, Japan, (5)Stockholm University, Stockholm, Sweden, (6)University of Antwerp, Antwerp, Belgium, (7)Umeå University, Climate Impacts Research Centre, Ecology and Environmental Science, Umeå, Sweden
 
Experimental evidence that microbial activity lowers the albedo of glacier surfaces: the cryoconite casserole experiment.
Michaela Musilova, University of Bristol, Geography, Bristol, United Kingdom, Martyn Tranter, University of Bristol, Bristol, United Kingdom, Nozomu Takeuchi, Chiba University, Chiba, Japan and Alexandre M Anesio, University of Bristol, Bristol, BS8, United Kingdom
 
Future Biome Projections in Alaska and East Russia
Amy Hendricks1,2, Kazuyuki Saito1,3, Nancy H Bigelow2,4 and John E Walsh1,2, (1)International Arctic Research Center, Fairbanks, AK, United States, (2)University of Alaska Fairbanks, Fairbanks, AK, United States, (3)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (4)Alaska Quaternary Center, Fairbanks, AK, United States
 
Distribution of dissolved and particulate trace metals in Arctic sea ice
Meghan Taylor1, Ingrid L Hendy2, Sarah Aciego1 and Kyle Meyer3, (1)University of Michigan Ann Arbor, Ann Arbor, MI, United States, (2)University of Michigan Ann Arbor, Geological Sciences, Ann Arbor, MI, United States, (3)University of Michigan, Ann Arbor, MI, United States
 
A Spatially-Explicit Modeling Approach to Examine the Interaction of Reproductive Traits and Landscape Characteristics on Arctic Shrub Expansion
Adam T Naito, Texas A & M University, Geography, College Station, TX, United States, David M. Cairns, texas a and m university, college station, TX, United States, Richard M. Feldman, Texas A & M University, Industrial & Systems Engineering, College Station, TX, United States and William E. Grant, Texas A & M University, Wildlife and Fisheries Sciences, College Station, TX, United States
 
Benthic Food Webs of the Chukchi and Beaufort Seas: Relative Importance of Ultimate Carbon Sources in a Changing Climate
Kenneth H Dunton1, Susan V Schonberg1, Nathan Mctigue2, Philip A Bucolo1, Tara L Connelly1 and James W McClelland1, (1)University of Texas Marine Science Institute, Port Aransas, TX, United States, (2)National Ocean Service, Silver Spring, MD, United States
 
Seasonal and inter-annual variability of dissolved inorganic nutrients along the western Antarctic Peninsula: is the Southern Annular Mode a potential driver? 
Hyewon Kim1,2, Douglas G Martinson2,3, Richard A Iannuzzi3 and Hugh W Ducklow1,2, (1)Lamont-Doherty Earth Observatory, Columbia University, Division of Biology & Paleo Environment, Palisades, NY, United States, (2)Columbia University, Department of Earth and Environmental Sciences, New York, NY, United States, (3)Lamont-Doherty Earth Observatory, Columbia University, Division of Ocean and Climate Physics, Palisades, NY, United States
 
Chromophoric Dissolved Organic Matter across a Marine Distributed Biological Observatory in the Pacific Arctic Region
Samuel L Berman, Clark University, Worcester, MA, United States, Karen E Frey, Clark University, Graduate School of Geography, Worcester, MA, United States, Kristen Laurel Shake, Clark Labs, Worcester, MA, United States, Lee W Cooper, Univ Maryland, Solomons, MD, United States and Jacqueline M Grebmeier, Univ MD Center Enviro Science, Solomons, MD, United States
 
Evaluating Post-fire Ecosystem Effects in Tussock Tundra of the Seward Peninsula: Characterizing Above-ground Biomass Accumulation, Soil Nutrient Pools, and Foliar Nitrogen.
Teresa N Hollingsworth, University of Alaska Fairbanks, Fairbanks, AK, United States, Michelle C Mack, University of Florida, Gainesville, FL, United States and Amy Lynn Breen, University of Alaska Fairbanks, Scenarios Network for Alaska & Arctic Planning, Fairbanks, AK, United States
 
Compound-Specific Amino Acid Isotopic Analysis of Benthic Food Webs in the Chukchi Sea
Mengjie Zhang1,2, Lee W Cooper2, Dana M Biasatti2 and Jacqueline M Grebmeier2, (1)Univ Maryland, Solomons, MD, United States, (2)Univ MD Center Enviro Science, Solomons, MD, United States
 
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