B31C
Terrestrial and Aquatic Responses to Changing Climate and Disturbance Regimes in Arctic and Sub-Arctic Regions I Posters

Wednesday, 16 December 2015: 08:00-12:20
Poster Hall (Moscone South)
Primary Conveners:  Marion Syndonia Bret-Harte, University of Alaska Fairbanks, Fairbanks, AK, United States
Conveners:  Jeffrey R White, Indiana Univ-Environ Sciences, Bloomington, IN, United States, Merritt R Turetsky, University of Guelph, Guelph, ON, Canada and Thomas A Douglas, Cold Regions Research and Engineering Laboratory Alaska, Fort Wainwright, AK, United States
Chairs:  Jeffrey R White, Indiana Univ-Environ Sciences, Bloomington, IN, United States and Marion Syndonia Bret-Harte, University of Alaska Fairbanks, Fairbanks, AK, United States
OSPA Liaisons:  Jeffrey R White, Indiana Univ-Environ Sciences, Bloomington, IN, United States
 
Carbon and nutrient responses to fire and climate warming in Alaskan arctic tundra (62725)
Yueyang Jiang1,2, Edward B Rastetter2, Gaius R Shaver3, Adrian V Rocha4, Bonnie Kwiatkowski2, Andrea Pearce5, Qianlai Zhuang6 and Umakant Mishra7, (1)Oregon State University, Forest Ecosystems and Society, Corvallis, OR, United States, (2)Marine Biological Laboratory, Woods Hole, MA, United States, (3)Marine Bio Lab, Woods Hole, MA, United States, (4)University of Notre Dame, Notre Dame, IN, United States, (5)University of Vermont, Burlington, VT, United States, (6)Purdue University, West Lafayette, IN, United States, (7)Argonne National Laboratory, Environmental Science, Argonne, IL, United States
 
Arctic Shrub Growth Response to Climate Variation and Infrastructure Development on the North Slope of Alaska (82021)
Daniel Ackerman, University of Minnesota Twin Cities, Ecology, Evolution, and Behavior, St. Paul, MN, United States
 
HIGH LATITUDE FOREST DYNAMICS – CO2 EXCHANGE MEASUREMENTS AND FOREST GROWTH AT THE ALTITUDINAL FOREST LINE IN HIGH SUBARCTIC FINNISH LAPLAND (64833)
Sigrid Dengel1,2, Erkki Siivola2, Tuomas Aakala3,4, Pasi Kolari2, Pertti Hari4, Jaana K Back4, John Grace5 and Timo Vesala2, (1)University of Helsinki, Helsinki, Finland, (2)University of Helsinki, Department of Physics, Helsinki, Finland, (3)University of Helsinki, University of Helsinki, Finland, (4)University of Helsinki, Department of Forest Sciences, Helsinki, Finland, (5)University of Edinburgh, School of GeoSciences, Edinburgh, United Kingdom
 
Chemical and Physical Controls, and Microbial Implications, on Methane Fluxes During an Unusually Warm Spring Thaw in Barrow, Alaska (84867)
Robert Wagner, San Diego State University, San Diego, CA, United States
 
Identifying nitrogen limitations to organic sediments accumulation in various vegetation types of arctic tundra (Hornsund, Svalbard) (78559)
Grzegorz Skrzypek1, Bronisław Wojtuń2, Quan Hua3, Dorota Richter4, Dariusz Jakubas5, Katarzyna Wojczulanis–Jakubas5 and Aleksandra Samecka–Cymerman2, (1)University of Western Australia, Crawley, WA, Australia, (2)The University of Wrocław, Department of Ecology, Biogeochemistry and Environmental Protection, Wrocław, Poland, (3)Australian Nuclear Science and Technology Organization, Kirrawee, Australia, (4)The Wrocław University of Environmental and Life Sciences, Department of Botany and Plant Ecology, Wrocław, Poland, (5)The University of Gdańsk, Department of Vertebrate Ecology and Zoology, Gdańsk, Poland
 
Canopy Spectral Imaging (NDVI) As A Proxy For Shrub Biomass And Ecosystem Carbon Fluxes Across Arctic Tundra Habitats (79439)
Charles Elliot Flower1, Jeffrey M Welker2 and Miquel A Gonzalez-Meler1, (1)University of Illinois at Chicago, Chicago, IL, United States, (2)University of Alaska Anchorage, Anchorage, AK, United States
 
Carbon Cycling-Climate Change Feedback of Thawing Permafrost in Arctic Alaskan Lakes: Monitoring Methane Emissions (68027)
Frida Sofia Akerstrom1, Amy Townsend-Small2 and Kenneth M Hinkel1, (1)University of Cincinnati Main Campus, Cincinnati, OH, United States, (2)University of Cincinnati, Cincinnati, OH, United States
 
The Contribution of Moss to Plot-Based Spectral Signals in Moist Acidic Low Arctic Tundra (74719)
Alison Leslie Beamish, Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany and Jeremy L May, Florida International University, Biological Sciences, Miami, FL, United States
 
Successional change in photosynthetic capacities after wildfires across the North American boreal forests (68200)
Narumi Tahara, Osaka Prefecture University, Sakai, Japan
 
Soil Microbial Activity Provides Insight to Carbon Cycling in Shrub Ecotones of Sub-Arctic Sweden (75052)
Erin Marek1, Natalie N Kashi2, Janet Chen3, Erik Alan Hobbie1, Melissa Renee Schwan4 and Ruth K Varner1, (1)University of New Hampshire Main Campus, Durham, NH, United States, (2)Villanova University, Villanova, PA, United States, (3)University of Wyoming, Laramie, WY, United States, (4)University of Arizona, Tucson, AZ, United States
 
Increases in Growing Season Length and Changes in Precipitation at Six Different Arctic and Subarctic Ecosystems from 1906-Present (69211)
Lauren E Culler, Rebecca Finger, Ellen Plane, Matt Ayres and Ross A Virginia, Dartmouth College, Hanover, NH, United States
 
Succession Stages of Tundra Plant Communities Following Wildfire Disturbance in Arctic Alaska (76027)
Amy Lynn Breen, University of Alaska Fairbanks, Scenarios Network for Alaska & Arctic Planning, Fairbanks, AK, United States, Teresa N Hollingsworth, University of Alaska Fairbanks, Fairbanks, AK, United States, Michelle C Mack, Northern Arizona University, Flagstaff, AZ, United States and Benjamin M Jones, Alaska Science Center, U.S. Geological Survey, Anchorage, AK, United States
 
The effect of warm summer 2012 on seasonal and annual methane dynamics in adjacent small lakes on the ice-free margin of Greenland (69595)
Sarah Beth Cadieux, Indiana University, Bloomington, IN, United States and Jeffrey R White, Indiana Univ-Environ Sciences, Bloomington, IN, United States
 
Seasonal Changes in Diversity and Metabolic Potential of Freshwater Microbial Communities in an Arctic Lake (77454)
Sarah Nalven1, Byron C Crump1 and George W Kling2, (1)Oregon State University, College of Earth, Ocean, and Atmospheric Science, Corvallis, OR, United States, (2)University of Michigan, Ann Arbor, MI, United States
 
Post-fire stand structure impacts carbon storage within Siberian larch forests (68485)
Heather Dawn Alexander, University of Texas at Brownsville, Brownsville, TX, United States, Susan Natali, Woods Hole Science Center Falmouth, Falmouth, MA, United States, Michael M Loranty, Colgate University, Geography, Hamilton, NY, United States, Michelle C Mack, Northern Arizona University, Flagstaff, AZ, United States, Sergei P Davydov, Russian Academy of Sciences, Moscow, Russia and Nikita Zimov, Northeast Scientific Station, Cherskiy, Russia
 
Real-time measurements of CH4 and CO2 flux and del13C from a proglacial wetland in southwestern Greenland. (80619)
Jeffrey R White, Indiana Univ-Environ Sciences, Bloomington, IN, United States, Lisa M Pratt, Indiana University Bloomington, Bloomington, IN, United States, Jennifer C Stern, NASA Goddard Space Flight Center, Greenbelt, MD, United States and Hilary Anne Thompson, Indiana University Bloomington, School of Public and Environmental Affairs, Bloomington, IN, United States
 
Mercury storage in sub-arctic lake sediments in Stordalen Mire, Abisko Sweden (81557)
Maria Florencia Fahnestock, University of New Hampshire Main Campus, Durham, NH, United States
 
Long-term Nutrient Fertilization Increases CO2 Loss in Arctic Tundra (82050)
Laura M Graham1, Susan Natali2, Edward B Rastetter3, David A Risk1, Julie D Jastrow4 and Gaius R Shaver5, (1)St. Francis Xavier University, Ottawa, ON, Canada, (2)Woods Hole Science Center Falmouth, Falmouth, MA, United States, (3)Marine Biological Laboratory, Woods Hole, MA, United States, (4)Argonne National Laboratory, Argonne, IL, United States, (5)Marine Bio Lab, Woods Hole, MA, United States
 
Seasonal Variation in Dissolved Organic Matter Composition and Photoreactivity within a Small Sub-arctic Stream. (83470)
Jennifer Guerard and Ruth Osborne, University of Alaska Fairbanks, Fairbanks, AK, United States
 
High-Resolution Remote Sensing and Stable Isotope Patterns Across Heath-Shrub-Forest Ecotone at Abisko and Vassijaure, Northern Sweden (85235)
Melissa Renee Schwan1, Christina Herrick2, Erik Alan Hobbie2, Janet Chen2, Ruth K Varner2, Michael W Palace2, Erin Marek2 and Natalie N Kashi3, (1)University of Arizona, Tucson, AZ, United States, (2)University of New Hampshire Main Campus, Durham, NH, United States, (3)Villanova University, Villanova, PA, United States
 
See more of: Biogeosciences
<< Previous Session | Next Session >>