B52D:
Vegetation Canopies: Observations and Theory of Physiology, Structure, and Function I
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Session ID#: 15292
Session Description:
The optimality principle proposes that organisms adjust to environmental variations so as to maximize measures that impinge on fitness, and are thereby subject to natural selection. A generalization is that ecosystem function is maintained by acclimation within individuals, adaptation within species, changing abundances within ecosystems, and migration within regions.
In an emerging paradigm, optimality concepts are used to generate testable predictions at multiple scales. This approach may eventually resolve the stubborn, largely untraceable differences among current ecosystem models’ projections of the impacts of environmental change. Optimality concepts have been applied to aspects of plant and ecosystem function including stomatal behaviour, plant water use and photosynthetic capacity, nitrogen uptake, and phenology. To seed communication and collaboration among pioneers of this field, including observational scientists and experimental ecologists, we invite contributions on all topics related to optimality principles in plant and ecosystem function including theoretical analyses, experimental tests, and models.
Primary Convener: Prof. Trevor F Keenan, Lawrence Berkeley National Laboratory, Berkeley, United States
Conveners: Han Wang, Northwest A&F University, Yangling, China, Iain COLIN C Prentice, Imperial College London, AXA Chair of Biosphere and Climate Impacts, Department of Life Sciences, London, United Kingdom and Ulo Niinemets, Estonian University of Life Sciences, Institute of Agriculture and Environmental Sciences, Tartu, Estonia
Chairs: Han Wang, Northwest A&F University, Yangling, China, Prof. Trevor F Keenan, Lawrence Berkeley National Laboratory, Berkeley, United States, Ulo Niinemets, Estonian University of Life Sciences, Institute of Agriculture and Environmental Sciences, Tartu, Estonia and Iain COLIN C Prentice, Imperial College London, AXA Chair of Biosphere and Climate Impacts, Department of Life Sciences, London, United Kingdom
OSPA Liaison: Prof. Trevor F Keenan, Lawrence Berkeley National Laboratory, Berkeley, United States
Abstracts Submitted to this Session:
Gregory Paul Asner, Carnegie Institution for Science, Department of Global Ecology, Stanford, CA, United States
Richard A Wehr, University of Arizona, Ecology and Evolutionary Biology, Tucson, AZ, United States, J William Munger, Harvard University, School of Engineering and Applied Sciences, Cambridge, MA, United States, J Barry McManus, Aerodyne Research, Inc., Billerica, MA, United States, David D Nelson, Aerodyne Research Inc., Billerica, United States, Mark S Zahniser, Aerodyne Research Inc., Billerica, MA, United States, Eric A Davidson, University of Maryland Center for Environmental Science Appalachian Laboratory, Frostburg, MD, United States, Steven C Wofsy, Harvard University, Cambridge, MA, United States and Scott R Saleska, University of Arizona, Department of Ecology & Evolutionary Biology, Tucson, AZ, United States
Sean T Michaletz1, Benjamin Wong Blonder2, Jeffrey Q Chambers3, Brian Joseph Enquist4, Boris Faybishenko5, Charlotte Grossiord1, Kolby Jardine5, Robinson I Negron Juarez6, Charuleka Varadharajan7, Nathan G G McDowell1, Matteo Detto8 and Brett Wolfe9, (1)Los Alamos National Laboratory, Los Alamos, NM, United States, (2)Arizona State University, Tempe, United States, (3)University of California Berkeley, Department of Geography, Berkeley, United States, (4)University of Arizona, Department of Ecology and Evolutionary Biology, Tucson, United States, (5)Lawrence Berkeley National Laboratory, Earth and Environmental Sciences Area, Berkeley, United States, (6)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (7)Lawrence Berkeley National Laboratory, Earth and Environmental Sciences Area, Berkeley, CA, United States, (8)Smithsonian Tropical Research Institute, LaVerne, United States, (9)Louisiana State University, School of Renewable Natural Resources, Baton Rouge, LA, United States
Stephan Pietsch, IIASA International Institute for Applied Systems Analysis, ESM, Laxenburg, Austria
Michael L Roderick, The Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia, Yuting Yang, Australian National University, Research School of Earth Sciences, Canberra, Australia, Randall J Donohue, CSIRO Land and Water Canberra, Canberra, Australia, Graham D Farquhar, Australian National University, Canberra, ACT, Australia and Tim Mc Vicar, CSIRO Land and Water Canberra, Canberra, ACT, Australia
Brian Joseph Enquist, University of Arizona, Department of Ecology and Evolutionary Biology, Tucson, United States
Ralph F Keeling, University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, Heather D Graven, Imperial College London, London, SW7, United Kingdom, Lisa R Welp, Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States, Stephen C Piper, University of Calif, San Diego, La Jolla, CA, United States, Alane Bollenbacher, University of California San Diego, La Jolla, CA, United States, Laure Resplandy, Scripps Institution of Oceanography, La Jolla, CA, United States and Harro A J Meijer, University of Groningen, Groningen, 9727, Netherlands
Brenden E McNeil1, Edward R Brzostek2, Robert Timothy Fahey3, Chris J King4, Evelin A Flamenco4, Sam Rescorl4, Dara Erazo5 and Ty Heimerl5, (1)West Virginia University, Department of Geology and Geography, Morgantown, United States, (2)West Virginia University, Biology, Morgantown, WV, United States, (3)University of Connecticut, Natural Resources and the Environment, Storrs, United States, (4)West Virginia University, Morgantown, WV, United States, (5)West Virginia University, Geology and Geography, Morgantown, WV, United States
