B44D:
When and Where Does Biology Matter? Identifying Physical and Biological Controls on Organic Matter Fluxes and Fate in Aquatic Ecosystems I

Submit an Abstract to this Session



Session ID#: 31869

Session Description:
Recent work has highlighted the role of water residence time, storm events, environmental change, and ecosystem metabolism in controlling the magnitude, timing, and location of organic matter processing and ensuing biological contributions to carbon emissions and export in fluvial networks. Despite these recent advances, concomitant measurements of whole-ecosystem processes, organic matter structure/quality, and/or carbon emissions and transport are rare, especially over the multi-season to multi-annual timescales required to fully understand the scope of different controls on carbon fluxes and fate. We invite submissions that aim to further our understanding of when/where biology matters in ecosystem/catchment organic matter dynamics, linked carbon and nutrient cycles, consequences of organic matter processing for larger-scale carbon budgets, broader implications for downstream ecology and water quality, and/or other related topics.
Primary Convener:  Erin R Hotchkiss, Virginia Polytechnic Institute and State University, Biological Sciences, Blacksburg, United States
Conveners:  Matthew Bogard, University of Lethbridge, Department of Biological Sciences, Lethbridge, AB, Canada, David E Butman, University of Washington Seattle Campus, Department of Civil & Environmental Engineering; School Environmental & Forest Sciences, Seattle, United States and Francois Guillemette, Universite du Quebec a Trois-Riviere, Quebec City, QC, Canada
Chairs:  David E Butman, University of Washington Seattle Campus, Department of Civil & Environmental Engineering; School Environmental & Forest Sciences, Seattle, United States, Matthew Bogard, University of Lethbridge, Department of Biological Sciences, Lethbridge, AB, Canada, Francois Guillemette, Universite du Quebec a Trois-Riviere, Quebec City, QC, Canada and Erin R Hotchkiss, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
OSPA Liaison:  Matthew Bogard, University of Lethbridge, Department of Biological Sciences, Lethbridge, AB, Canada

Cross-Listed:
  • GC - Global Environmental Change
  • H - Hydrology
Index Terms:

0414 Biogeochemical cycles, processes, and modeling [BIOGEOSCIENCES]
0426 Biosphere/atmosphere interactions [BIOGEOSCIENCES]
0428 Carbon cycling [BIOGEOSCIENCES]
0439 Ecosystems, structure and dynamics [BIOGEOSCIENCES]

Abstracts Submitted to this Session:

SOIL DISSOLVED ORGANIC CARBON FLUXES ARE CONTROLLED BY BOTH PRECIPITATION AND LONGER-TERM CLIMATE EFFECTS ON BOREAL FOREST ECOSYSTEMS (Invited) (232221)
Susan E Ziegler, Memorial University of Newfoundland, Earth Science, St John's, NL, Canada, Kate A Edwards, Natural Resources Canada, Ottawa, ON, Canada and Keri L. Bowering, Memorial University of Newfoundland, St John's, NL, Canada
Burning transformations: Fire history effects on organic matter processing from hillslopes to streams (298699)
Rebecca T Barnes, Colorado College, Environmental Studies Program, Colorado Springs, CO, United States, Asheton Gilbertson, Colorado College, Colorado Springs, CO, United States and Kelsey Maxwell, Colorado College, Environmental Program, Colorado Springs, CO, United States
Assimilation of old carbon by stream food webs in arctic Alaska (256232)
Dr. Jonathan A O'Donnell, National Park Service Anchorage, Anchorage, United States, Michael Carey, USGS Alaska Science Center, Anchorage, AK, United States, Xiaomei Xu, Univ California Irvine, Irvine, CA, United States, Joshua C Koch, U.S. Geological Survey, Anchorage, AK, United States, Jennifer Clare Walker, University of California, Irvine, Irvine, CA, United States and Christian E. Zimmerman, Alaska Science Center, U.S. Geological Survey, Anchorage, AK, United States
Physical and biological influences on coupled C and N cycling and fluxes in headwater streams (288340)
Brian L McGlynn, Duke University, Nicholas School of the Environment, Durham, NC, United States and Erin Cedar Seybold, University of Kansas, Kansas Geological Survey, Lawrence, United States
Bioavailable dissolved and particulate organic carbon flux from coastal temperate rainforest watersheds (282710)
Jason Fellman1, Eran W Hood1, Dave D'Amore2 and Anneliese Moll1, (1)University of Alaska Southeast, Juneau, AK, United States, (2)Pacific Northwest Research Station, USDA Forest Service, Juneau, AK, United States
Light limitation plays a central role in regulating DOM reactions in temperate watersheds (274478)
Byungman Yoon1, Jacob D Hosen1, Ethan Kyzivat2, Jenn Hoyle Fair1, Lisa C Weber3, Kelly S Aho4, Aron Stubbins5, Rachel S Lowenthal6 and Peter A Raymond7, (1)Yale University, School of Forestry and Environmental Studies, New Haven, CT, United States, (2)Brown University, Providence, RI, United States, (3)Yale University, New Haven, CT, United States, (4)Yale University, School of the Environment, New Haven, CT, United States, (5)Northeastern University, Chemistry and Chemical Biology, Boston, MA, United States, (6)The Nature Conservancy, New Haven, CT, United States, (7)Yale University, New Haven, United States
Temporal Patterns in Dissolved Organic Carbon Composition in an Urban Lake (284253)
Hilairy Ellen Hartnett1, Monica Marie Palta2, Nancy B Grimm3, Albert Ruhi4 and Maria van Shaijik2, (1)University of Washington, Seattle, United States, (2)Arizona State University, Tempe, AZ, United States, (3)Arizona State University, School of Life Sciences, Tempe, AZ, United States, (4)University of California Berkeley, Berkeley, CA, United States
Advancing approaches for multi-year high-frequency monitoring of temporal and spatial variability in carbon cycle fluxes and drivers in freshwater lakes (235197)
Ankur R Desai1, David E Reed2, Hilary A Dugan3, Luke C Loken4, Paul Schramm5, Malgorzata Golub6, Hayley Huerd7, Angela K Baldocchi1, Robyn Roberts1, Zachary Taebel1, Julia Hart8, Paul C Hanson9, Emily H Stanley10 and Elisabeth Cartwright11, (1)University of Wisconsin Madison, Atmospheric and Oceanic Sciences, Madison, WI, United States, (2)Michigan State University, Center for Global Change and Earth Observations, East Lansing, MI, United States, (3)University of Wisconsin-Madison, Center for Limnology, Madison, United States, (4)University of California-Davis, Davis, CA, United States, (5)University of Wisconsin Madison, Freshwater and Marine Sciences, Madison, WI, United States, (6)University of Wisconsin, Madison, WI, United States, (7)University of California Merced, Merced, CA, United States, (8)University of Wisconsin Madison, Freshwater and Marine Science, Madison, WI, United States, (9)University of Wisconsin Madison, Center for Limnology, Madison, WI, United States, (10)Univ Wisconsin, Madison, United States, (11)Verona Area High School, Verona, WI, United States
Hydrology or biology? Modeling simplistic physical constraints on lake carbon biogeochemistry to identify when and where biology is likely to matter (278195)
Stuart Jones, University of Notre Dame, Biological Sciences, Notre Dame, United States, Jacob A Zwart, USGS Wisconsin Water Science Center, Middleton, WI, United States, Chris Solomon, Cary Institute of Ecosystem Studies, Millbrook, NY, United States and Patrick T Kelly, Miami University, Oxford, OH, United States

See more of: Biogeosciences