8:00 AM BESMER, YLVA¹, KOIDE, ROGER¹, ¹ The Pennsylvania State University, University Park, PA, USA Arbuscular mycorrhizal fungi community structure as determined by soil type.

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8:20 AM Antoninka, Anita^*,1, Classen, Aimee¹, Wolf, Julie¹, Collins Johnson, Nancy¹, ¹ Northern Arizona University, Flagstaff, AZ, USA Carbon dioxide, nitrogen and arbuscular mycorrhizal fungi influence plant and microbial communities in a simulated prairie.

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8:40 AM Reynolds, Heather^*,1, Vogelsang, Keith¹, Hartley, Anne², Bever, James¹, Schultz, Peggy¹, ¹ Indiana University, Bloomington, IN² Florida International University, Miami, FL Phosphorus acquisition by old field perennials: The role of arbuscular mycorrhizal fungi.

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9:00 AM Phillips, Richard ^*,1, Fahey, Timothy ¹, ¹ Cornell University, Ithaca, NY Patterns of rhizosphere carbon flux in sugar maple and yellow birch saplings.

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9:20 AM Burke, David^*,1, Martin, Kendall², Rygiewicz, Paul³, Topa, Mary¹, ¹ Boyce Thompson Institute, Ithaca, NY² Center for Environmental Diagnostics and Bioremediation, University of West Florida, Pensacola, FL³ USEPA National Health and Environmental Effects Research Laboratory, Corvallis, OR Ectomycorrhizal diversity in a loblolly pine (Pinus taeda L.) genetics plantation: Influence of fertilization.

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9:40 AM Break.

9:50 AM Haskins, Kristin^{*,1, 2}, Gehring, Catherine^{1, 2}, ¹ Northern Arizona University, Flagstaff, AZ, USA² Merriam-Powell Center for Environmental Research, Flagstaff, AZ, USA Interspecific competition changes composition and reduces abundance of pinyon pine ectomycorrhizal fungal communities.

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10:10 AM Lilleskov, Erik^*,1, ¹ USDA Forest Service, North Central Research Station, Houghton, MI, USA Carbon dioxide and ozone affect production and community structure of ectomycorrhizal fungal communities in the AspenFACE experiment.

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10:30 AM Lucas, Richard^*,1, Jackson, John², ¹ University of Pennsylvania, Philadelphia, PA² Stroud Water Research Center, Avondale, PA Teasing apart different functional groups of soil microbiota.

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10:50 AM Dighton, John^*,1, Tuininga, Amy², Dennis, Gray¹, Huskins, Rebecca², Belton, Thomas³, ¹ Rutgers Pinelands Field Sation, New Lisbon, NJ, USA² Fordham University Cader Center, Armonk, NY, USA³ NJ DEP, Trenton, NJ, USA Impacts of atmospheric deposition on New Jersey pine barrens forest soils and ectomycorrhizal communities.

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11:10 AM Huskins, Rebecca^*,1, Tuininga, Amy¹, Dighton, John², Gray, Dennis², Belton, Tom³, ¹ Fordham University, Armonk, NY² Rutgers University, New Brunswick, NJ³ NJ DEP, Trenton, NJ Nitrogen deposition effects on ectomycorrhizal communities: A comparison between two soil types.

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