8:00 AM: Craine, Joseph^*,1, ¹ Univeristy of Minnesota, Saint Paul, MN, USA, Terrestrial plant competition for nutrients and the race for fish.

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8:20 AM: Harpole, W Stanley¹, ¹ University of California Irvine, Irvine, CA, USA, Species Abundance and Resource Niches in a California Grassland.

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8:40 AM: Robson, Diana^*,1, ¹ The Manitoba Museum, Winnipeg, MB, Canada, Impact of isolation on pollination of tall-grass prairie plants.

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9:00 AM: Throop, Heather^*,1, Archer, Steve¹, ¹ University of Arizona, Tucson, AZ, USA, Land management affects litter decomposition dynamics in a semi-desert grassland.

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9:20 AM: McKinley, Duncan^*,1, Blair, John¹, Johnson, Loretta¹, ¹ Kansas State University, Manhattan, Changes in Nitrogen Cycling and Carbon Storage with Forest Encroachment Into Tallgrass Prairie.

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9:40 AM: , BREAK.

9:50 AM: Risch, Anita¹, Frank, Douglas¹, ¹ Syracuse University, Syracuse, NY, USA, Carbon fluxes in a spatially and temporally heterogeneous temperate grassland.

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10:10 AM: Manzano, Pablo^*,1, Azcárate, Francisco M.¹, Peco, Begoña¹, Malo, Juan E.¹, ¹ Universidad Autónoma de Madrid., Madrid, Spain, Harvester ants strongly limit seed dispersal by sheep in mediterranean grasslands.

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10:30 AM: Azcárate, Francisco¹, Kovacs, Eva², Peco, Begoña¹, ¹ Universidad Autónoma de Madrid, Madrid, Spain² Kiskunsag National Park, Kecskemét, Hungary, Microclimate and seed availability regulate seed harvesting by ants in mediterranean grassland and scrubland.

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10:50 AM: Lerner, Pamela^{*,1, 2}, Bai, Yuguang¹, ¹ University of Saskatchewan, Saskatoon, Saskatchewan, Canada² Universidad Nacional de La Pampa, Santa Rosa, La Pampa, Argentina, Heteromorphic seed production in populations of Punagrass, a perennial grass with mixed mating system.

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