[UNKNOWN: PRESTIME] Broughton, Laura^*,1, Gross, Katherine², ¹ The Ecosystems Center, Woods Hole, MA² Kellogg Biological Station, Hickory Corners, MI. The role of plant species in the structure and function of soil microbial communities: an experimental evaluation.

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[UNKNOWN: PRESTIME] Porazinska, Dorota^*,1, Six, Johan¹, Wall, Diana¹, ¹ Colorado State University, Fort Collins, CO. Plant diversity and the soil environment.

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[UNKNOWN: PRESTIME] Lussenhop, John^*,1, ¹ University of Illinois at Chicago, Chicago, IL. Soil microarthropod species number and species density increase along a productivity gradient.

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[UNKNOWN: PRESTIME] Schwartz, Egbert^*,1, Schuur, Edward², ¹ University of Denver, Denver, CO² University of Florida, Gainesville, FL. Microbial communities on a precipitation gradient: Links to soil redox and carbon cycling.

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[UNKNOWN: PRESTIME] Carney, Karen^*,1, Matson, Pamela¹, ¹ Stanford University, Stanford, CA. The relationship among plant communities, microbial communities, and carbon mineralization in a tropical soil.

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[UNKNOWN: PRESTIME] NIELSEN, CAROLINE^*,1, MATSON, PAMELA¹, ¹ Stanford University, Stanford, CA. Differences in soil microbial community composition among forest, pasture, and Koa plantation in Hawaii.

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[UNKNOWN: PRESTIME] . Break.

[UNKNOWN: PRESTIME] Zimpfer, Jeff^*,2, McCray Batzli, Janet¹, Dawson, Jeffrey³, Huguet, Valerie⁴, Smyth, Charles³, Fernandez, Maria⁴, ² Department of Biological Sceinces, Las Vegas, NV¹ College of Natural Science, East Lansing, MI³ Natural Resources & Environmental Science, Urbana, IL⁴ Laboratoire d'Ecologie Microbienne, Lyon 1, France. Distribution and abundance of Frankia and three actinorhizal host species (Shepherdia canadensis, Alnus incana ssp. rugosa, and Myrica gale) over a dune- swale primary successional gradient in east-central Wisconsin.

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[UNKNOWN: PRESTIME] Fierer, Noah^*,1, Schimel, Joshua¹, Holden, Patricia¹, ¹ University of California, Santa Barbara, CA. Soil is more than skin deep: Microbial community structure and C dynamics in a soil profile.

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[UNKNOWN: PRESTIME] Wallenstein, Matt^*,1,2, Schlesinger, William², ¹ Duke University, Durham, NC, United States² Duke University, Durham, NC, United States. Effects of denitrifier community structure on N₂O and N₂ gas flux in a nitrogen fertilization experiment.

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[UNKNOWN: PRESTIME] Bowker, Matthew^*,1, Reed, Sasha², Belnap, Jayne², Phillips, Susan², ¹ Department of Biological Sciences, Flagstaff, AZ² USGS-BRD, Canyonlands Field Station, Moab, UT. Temporal variation in community composition and pigmentation of desert cyanobacterial soil crusts.

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[UNKNOWN: PRESTIME] CARDON, ZOE^*,1, LEWIS, LOUISE¹, TYSER, DEBORAH¹, ¹ UNIVERSITY OF CONNECTICUT, STORRS, CT. Chlororespiration in green algae isolated from desert crusts?

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[UNKNOWN: PRESTIME] Parsons, Andrew^*,1, Barrett, John², Virginia, Ross², Wall, Diana¹, ¹ Colorado State University, Fort Collins, CO² Dartmouth College, Hanover, NH. Responses of Antarctic dry valley soil biota and soil respiration to long-term carbon and climate manipulations.

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