Poster # 158. Natali, Susan^*,1, Lerdau, Manuel¹, Sañudo-Wilhelmy, Sergio¹, ¹ Stony Brook University, Stony Brook, NY, United States, Effects of elevated CO₂ on trace metals in plants.

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Poster # 159. Morgan, Jack^*,1, Miglietta, Franco², Kimball, Bruce³, Parton, William⁴, Reeder, Jean ¹, Pendall, Elise ⁵, Williams, David⁵, Blumenthal, Dana¹, ¹ USDA-ARS, Ft. Collins, CO, USA² IBIMET-CNR, Florence, Toscana, Italy³ USDA-ARS, Phoenix, AZ, USA⁴ Colorado State University, Fort Collins, CO, USA⁵ University of Wyoming, Laramie, WY, USA, The High Plains Global Change Experiment: semi-arid grassland responses to combined elevated CO₂ and warming.

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Poster # 160. Eller, Allyson^*,1, Sparks, Jed¹, McGuire, Krista², ¹ Cornell University, Ithaca, NY² University of Michigan, Ann Arbor, Ann Arbor, MI, Effects of elevated nitrogen dioxide and carbon dioxide on the growth of sugar maple and hemlock seedlings.

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Poster # 161. McPeek, Tamara^*,1, Wang, Xianzhong¹, ¹ Indiana University-Purdue University Indianapolis, Indianapolis, IN, Effects of elevated CO₂ on reproduction and seed dispersal of Taraxacum officinale.

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Poster # 163. Weng, Ensheng^{1, 2}, Luo, Yiqi², Rustad, Lindsey³, ¹ School of Life Sciences, Fudan University, Shanghai, Shanghai, P.R.China² Department of Botany and Microbiology, University of Oklahoma, Norman, Oklahoma, U.S.A.³ US Forest Service, Cumberland, Maine, U.S.A., Ecosystem responses to multiple global change factors: a modeling approach.

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Poster # 164. Bhotika, Smriti^*,1, Grawe DeSantis, Larisa¹, Williams, Kimberlyn², Putz, Francis¹, ¹ University of Florida, Gainesville, FL² California State University, San Bernardino, CA, Accelerated decline of Sabal palmetto in a Florida coastal forest.

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Poster # 165. DeGennaro, Melissa^*,1, DeLucia, Evan², Dermody, Orla ², Eastburn, Darin², McElrone, Andrew¹, ¹ Saint Joseph's University, Philadelphia, PA² University of Illinois, Urbana-Champaign, Urbana-Champaign, IL, Futuristic disease: the effect of atmospheric change on foliar soybean pathosystems.

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Poster # 166. Mainali, Kumar^*,1, Heckathorn, Scott¹, ¹ Department of Earth, Ecological and Environmental Sciences, Toledo, OH, USA, Climate change and plant-soil linkages: effect of heat waves on exchange of C and N between plant and soil and on microbial communities associated with Andropogon gerardii.

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Poster # 167. Briske, David^*,1, Tjoelker, Mark ¹, Volder, Astrid¹, ¹ Texas A&M University, College Station, TX, Drought-induced decoupling of plant water status and gas exchange in southern oak savanna in response to rainfall redistribution and warming.

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Poster # 168. Neff, Mark^*,1, Chhetri, Netra¹, Hidinger, Lori¹, Sarewitz, Dan¹, ¹ Arizona State University, Tempe, AZ, A preliminary methodology for analysis of ecosystem sensitivity to climate and other drivers of change.

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Poster # 169. Baldwin, Patrick^*,1, Bauerle, William¹, ¹ Clemson University, Clemson, SC, Development of a molecular imprinting tool for the plant stress response hormone abscisic acid.

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Poster # 170. Londre, Ronald¹, Schnitzer, Stefan^*,1, ¹ University of Wisconsin-Milwaukee, Milwaukee, WI, 53212, The distribution of lianas and their 45-year change in abundance in temperate deciduous forests.

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Poster # 171. Gunderson, Carla^*,1, Campion, Christina², O'Hara, Keiran³, ¹ Oak Ridge National Laboratory, Oak Ridge, TN² Rhodes College, Memphis, TN³ Florida State University, Tallahassee, FL, Will atmospheric warming reorganize the forest? Relative influences of acclimation and adaptation.

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Poster # 172. Molina-Montenegro, Marco^{*,1, 2}, Cavieres, Lohengrin^{1, 2}, ¹ ECOBIOSIS, Departamento de Botánica, Universidad de Concepción, Concepción, Chile² Instituto de Ecología y Biodiversidad, Santiago, Chile, The importance of positive interactions in a high-alpine environment under global warming.

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Poster # 173. Holzer, Karen^*,1, Fagre, Daniel¹, Millar, Constance², ¹ USGS Biological Resources Division, West Glacier, MT² USDA Forest Service Sierra Nevada Research Center, Albany, CA, GLORIA in North America, an alpine ecology monitoring network.

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Poster # 174. Liu, Heping^*,1, Zhang, Ning ¹, ¹ Jackson State University, Jackson, MS, Response of high-latitude terrestrial ecosystems to climate warming for the past two decades: modeling studies on energy and water vapor exchanges.

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Poster # 175. Martinez, Karla^*,1, Lin, David¹, Tweedie, Craig¹, ¹ University of Texas at El Paso, El Paso, TX, USA, Dendrochronology of willow stems collected on the Sweedish Beringia 2005 Expedition to the Russian Far East.

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Poster # 176. DeMarco, Jennie^*,1, Mack, Michelle², Schuur, Edward³, Neff, Jason⁴, Finlay, Jacques⁵, ¹ University of Florida, Gainesville, FL² University of Florida, Gainesville, FL³ University of Florida, Gainesville, FL⁴ University of Colorado, Boulder, Boulder, CO⁵ University of Minnesota, St. Paul, MN, Potential nutrient leaching following thawing of permafrost soils of northeastern Siberia.

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Poster # 177. Ruhland, Christopher ^*,1, Strauss, Sarah², Krna , Matthew ¹, Day , Thomas ², ¹ Minnesota State University, Mankato, MN² Arizona State University, Tempe, AZ, The effects of supplemental warming and precipitation on growth and reproduction of Antarctic vascular plants.

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Poster # 178. Strauss, Sarah^*,1, Ruhland, Christopher², Secott, Timothy², Day, Thomas¹, ¹ Arizona State University, Tempe, AZ² Minnesota State University, Mankato, MN, Soil development and nutrient cycling during early succession of glacial forelands along the Antarctic Peninsula.

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Poster # 179. Engel, Cayenne^*,1, Weltzin, Jake ¹, Norby, Richard², ¹ University of Tennessee, Knoxville, Knoxville, TN² Oak Ridge National Laboratory, Oak Ridge, TN, Community NDVI is driven by species-specific responses to global change.

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Poster # 180. Reilly Sheehan, Carolyn^*,1, Engel, E¹, Weltzin, Jake¹, ¹ University of Tennessee, Knoxville, TN, Moisture drives species diversity in a multi-factor global change experiment.

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