[UNKNOWN: PRESTIME] BARNES, FAIRLEY^*,1, BRESHEARS, DAVID¹, MYERS, ORRIN², ¹ Los Alamos National Laboratory, Los Alamos, NM² University of New Mexico, Albuqueque, NM. Vertical, horizontal, and temporal variation in plant-available water over 14 years in a piñyon-juniper woodland.

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[UNKNOWN: PRESTIME] Schuur, Edward^*,1, ¹ University of Florida, Gainesville, FL. The sensitivity of tropical forest growth to climate.

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[UNKNOWN: PRESTIME] Ignace, Danielle^*,1, Economo, Evan¹, Enquist, Brian¹, Huxman, Travis¹, ¹ University of Arizona, Tucson, AZ. Latitudinal variation in forest community productivity: A comparison between North America and Europe.

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[UNKNOWN: PRESTIME] Mack, Michelle^*,1, Chapin, F. Stuart², Schuur, Edward¹, Valentine, David², ¹ University of Florida, Gainesville, Fl² University of Alaska Fairbanks, Fairbanks, AK. Post-fire plant species composition and fire severity determine nitrogen retention in upland black spruce forests.

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[UNKNOWN: PRESTIME] Raich, Jim^*,1, Dornbush, Matt¹, ¹ Iowa State University, Ames, IA. Plant phenology affects seasonal patterns of soil respiration in central Iowa grasslands.

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[UNKNOWN: PRESTIME] Classen, Aimee^*,1,3, Hart, Stephen^2,3, Whitham, Thomas^1,3, Cobb, Neil^1,3, Koch, George^1,3, ¹ Department of Biological Sciences, Flagstaff, AZ³ Merriam-Powell Center for Environmental Research, Flagstaff, AZ² School Of Forestry, Flagstaff, AZ. Insect herbivory alters soil microclimate in a semi-arid woodland: nutrient cycling implications.

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[UNKNOWN: PRESTIME] Fischer, D.^*,1, Hart, S.¹, Whitham, T.¹, ¹ Northern Arizona University, Flagstaff, AZ, USA. Ecosystem consequences of genes: Genetic variation in a dominant riparian tree affects gas exchange.

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[UNKNOWN: PRESTIME] BERSIER, LOUIS-FELIX^*,1,2, BALTENSPERGER, RICHARD³, GABRIEL, JEAN-PIERRE³, ¹ University of Neuchatel, Neuchatel, Switzerland² Swiss federal Institute of Technology, Lausanne, Switzerland³ University of Fribourg, Fribourg, Switzerland. Why are chordless cycles so common in niche overlap graphs ?

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[UNKNOWN: PRESTIME] BANASEK-RICHTER, CAROLIN^*,1, BERSIER, LOUIS-FELIX^1,2, CATTIN, MARIE-FRANCE¹, ¹ University of Neuchatel, Neuchatel, Switzerland² Swiss federal Institute of Technology, Lausanne, Switzerland. Quantity defies quality - A new approach to food web analysis.

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[UNKNOWN: PRESTIME] Skillen, Jennifer^*,1, Maurer, Brian¹, Kahl, Katherine¹, ¹ Michigan State University, East Lansing, MI. Do discontinuous body mass distributions of species within landscapes provide evidence of hierarchical landscape structure?

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[UNKNOWN: PRESTIME] Balbach, Harold^*,1, Goran, William¹, DeBusk, William², Davo, Theresa³, Brent, John³, ¹ US Army Engineer Research and Development Center, Champaign, IL² Soil and Water Science, Gainesville, FL³ Environmental Management Division, Fort Benning, GA. Monitoring, environmental data, indicators, and thresholds: How will SEMP relate them to military installation ecosystem management needs?

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