Poster # 65. Nieder, Jürgen^*,1, Kueper, Wolfgang¹, Barthlott, Wilhelm¹, ¹ Botanical Institute Bonn, University of Bonn, Bonn Diversity patterns of neotropical vascular epiphytes .

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Poster # 66. Becher, J.¹, Fuller, Amanda², Mulroy, Juliana^*,1, ¹ Denison University, Granville, OH² University of Wisconsin-Madison A GIS map of Licking County, Ohio: Vegetation at the time of the earliest government land surveys.

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Poster # 67. Innes, James^*,1, Ducey, Mark², ¹ USDA Forest Service, Durham, New Hampshire² University of New Hampshire, Durham, New Hampshire Estimating leaf area in pine stands using hemispherical photography and tree allometrics.

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Poster # 68. Rumbaitis-del Rio, Cristina^*,1,2, Wessman, Carol^1,2, ¹ Cooperative Institute for Research in Environmental Sciences, Boulder, CO² Department of Environmental, Population, and Organismic Biology, Boulder, CO Vegetation analysis of a wind-disturbed and salvage-logged subalpine forest.

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Poster # 69. Robbins, Elizabeth^*,1, Conklin, Martha¹, Harvey, Judson², Corley, Timothy¹, ¹ University of Arizona, Tucson, AZ² U.S. Geological Survey, Reston, VA The role of water speedwell on metal uptake at Pinal Creek near Globe, Arizona.

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Poster # 70. Yanoff, Steven^*,1, Muldavin, Esteban², ¹ University of New Mexico, Albuquerque, NM² University of New Mexico, Albuquerque, NM Vegetation change in northern Chihuahuan Desert grasslands.

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Poster # 71. BIEDENBENDER, SHARON^*,1, MARSETT, ROBERT, HEILMAN, PHIL, QI, JIAGUO, ¹ USDA ARS Southwest Watershed Research Center, Tucson, AZ Effective delivery of geospatial information to range managers.

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Poster # 72. ADONIS, CARLY^*,1, BOEKEN, BERTRAND¹, ¹ Jacob Blaustein Institute for Desert Research, Sede Boqer, Israel Changes in composition of annual plant communities in semi-arid shrubland due to long-term sheep grazing.

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