Poster # 31. McEwan, Ryan^*,1, Muller, Robert¹, ¹ University of Kentucky, Lexington, Kentucky Twenty years of landscape-level change in canopy species dominance in an old-growth mixed mesophytic forest.

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Poster # 33. Cable, Jessica^*,1, Weiser, Michael¹, Enquist, Brian¹, Huxman, Travis¹, ¹ University of Arizona, Tucson, AZ Long-term dynamics of individual plant canopies in Sonoran Desert perennials at Tumamoc Hill, AZ.

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Poster # 34. Martínez-Yrízar, Angelina^*,1, Núñez, Silvia¹, Búrquez, Alberto¹, ¹ UNAM, Hermosillo, Sonora, Mexico Litterfall patterns in the Northern limit of tropical deciduous forest distribution in America.

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Poster # 35. ZLOTIN, ROMAN^*,1, ¹ Indiana University, Bloomington, IN Dynamics of juniper, pinyon and oak mast production in woodland ecosystems of central New Mexico.

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Poster # 36. Weiser, Michael^*,1, Enquist, Brian^1,2, Betancourt, Julio^3,4, Huxman, Travis¹, Van Dyken, J. David¹, ¹ University of Arizona Department of Ecology and Evolutionary Biology, Tucson, AZ² Center for Applied Biodiversity Science, Conservation International, Washington, DC³ U. S. Geological Survey, Desert Laboratory, Tucson, AZ⁴ University of Arizona Department of Geosciences, Tucson, AZ Quantifying 100 years of assemblage dynamics in a Sonoran Desert plant community: Assessing the role of climate, site specific and biotic interactions.

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Poster # 37. LUDWIG, JOHN^*,1, BASTIN, GARY¹, EAGER, ROBERT¹, LIEDLOFF, ADAM¹, ANDISON, REGINALD², COBIAC, MICHAEL³, ¹ CSIRO Sustainable Ecosystems, Atherton, Queensland, Australia² Queensland Primary Industries, Bowen, Queensland, Australia³ Northern Territory Primary Industries and Fisheries, Katherine, Northern Territory, Australia Recovery of savanna vegetation in northern Australia: 1973-2000.

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Poster # 38. Nichols, John^*,1, Phillips, Martha², Lehman, Clarence³, ¹ University of North Carolina - Chapel Hill, Chapel Hill, NC² The College of St. Catherine, St. Paul, MN³ University of Minnesota, St. Paul, MN Diversity and stability in natural systems: findings from wetland plant communities in Minnesota.

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Poster # 39. Botte, Jorin^*,2, Baron, Jill^1,2, ² Natural Resource Ecology Laboratory, Fort Collins, CO¹ United States Geological Survey, Fort Collins, CO Loch Vale watershed long-term ecosystem research and trend analysis .

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Poster # 40. Bonito, Gregory^*,1, Michener, William¹, ¹ University of New Mexico, Albuquerque 87112, USA, Albuquerque, New Mexico Novel in-situ environmental sensor instruments.

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Poster # 41. BAIN, JANE^*,1, MICHENER, WILLIAM², ¹ Ecological Society of America, Ithaca, NY² LTER Network Office, Albuquerque, NM Ecological Archives: ESA's electronic data archive.

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