1:30 PM Heisler, Jana^*,1, Briggs, John¹, ¹ Arizona State University, Tempe, AZ 85287-1601, USA An ecosystem in transition: What are the mechanisms driving shrub expansion in temperate grasslands?

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1:45 PM Parmenter, Robert^*,1, ¹ Department of Biology, Albuquerque, NM, USA Vegetation recovery following fire in a desert grassland in New Mexico, USA.

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2:00 PM McKernan, Pamela^*,1, White, Joseph¹, Gutzwiller, Kevin¹, Barrow, Wylie², Randall, Lori², ¹ Baylor University, Waco, TX² U.S. Geological Survey, Lafayette, LA The effect of fire on a mixed Chihuahuan Desert plant community.

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2:15 PM Smith, Melinda^*,1, Collins, Scott², ¹ National Center for Ecological Analysis & Synthesis, Santa Barbara, CA² University of New Mexico, Albuquerque, NM Scale-dependence of the effects of fire and grazing on spatial and temporal heterogeneity in tallgrass prairie.

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2:30 PM Harrell, Wade^*,1, Fuhlendorf, Samuel¹, Engle, David¹, Hamilton, Robert², ¹ Oklahoma State University, Stillwater, OK² The Nature Conservancy, Pawhuska, OK Increasing grassland heterogeneity with fire and grazing: Implications for grassland birds.

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2:45 PM McGinnis, Thomas^*,1, Keeley, Jon¹, Brooks, Matthew², Sanford, Robert³, Belnap, Jayne⁴, ¹ U.S. Geological Survey-Biological Resources Discipline, Three Rivers, CA² U.S. Geological Survey-Biological Resources Discipline, Henderson, NV³ University of Denver, Denver, CO⁴ U.S. Geological Survey-Biological Resources Discipline, Moab, UT Above and belowground fire-related temperatures in a cheatgrass (Bromus tectorum L.) infested Sierra Nevada yellow pine forest: Effects on cheatgrass seeds and native plants.

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3:00 PM Break.

3:15 PM Bova, Anthony^*,1, Dickinson, Matthew¹, ¹ USDA Forest Service, Delaware, OH, USA Making sense of fire temperatures: A thermocouple heat budget correlates temperatures and flame heat flux.

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3:30 PM Boyer, Alison^*,1, Moran, Matthew¹, ¹ Hendrix College, Conway, AR Fire timing in a relict grassland: Effects on the plant community.

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3:45 PM Starnes, Sarah^*,1, Moran, Matthew ¹, ¹ Hendrix College, Conway, AR Response of individual plants to fire in a relict grassland.

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4:00 PM Stevenson, Blake^*,1, Moran, Matthew¹, ¹ Hendrix College, Conway, AR Effect of spring burning on an arthropod community in a relict grassland.

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