Poster # 117. Park, Ji-Hyung^*,1, Matzner, Egbert¹, ¹ University of Bayreuth, Bayreuth, Germany Dissolved organic matter as a vehicle for C and N export from the forest floor .

FULL ABSTRACT

Poster # 118. Swank, W¹, Vose, J¹, Haines, B^*,2, ¹ Coweeta Hydrologic Laboratory, Otto, NC² University of Georgia, Athens, GA Long-term nitrogen dynamics of Coweeta forested watersheds in the Southeastern USA.

FULL ABSTRACT

Poster # 119. Schilling, Erik^*,1, Lockaby, Graeme¹, ¹ Auburn University, Auburn, AL Relationship between biogeochemistry and ANPP within two contrasting riverine forests of Georgia.

FULL ABSTRACT

Poster # 120. Waterstripe, Kirk^*,1, Rich, Jeremy¹, Mintie, Ann¹, Heichen, Rachel¹, Ritchie-Posavatz, Nancy¹, Bottomley, Peter¹, Cromack, Kermit¹, Myrold, David¹, ¹ Oregon State University, Corvallis, OR Changes in soil nitrogen cycling processes and microbial communities across a meadow-forest gradient.

FULL ABSTRACT

Poster # 121. BERTHRONG, SEAN^*,1, FINZI, ADRIEN¹, ¹ Boston University, Boston, MA Organic nitrogen cycling in a temperate New England forest.

FULL ABSTRACT

Poster # 122. Nuņez, Fabiola^*,1, Reynel, Carlos, Mc Clain, Michael, ¹ Universidad Nacional Agraria La Molina, Lima, Lima, Peru Elemental fluxes en litterfall in riparian montane forest of the San Alberto cathment, Andean Amazon Basin (nutrient cycling).

FULL ABSTRACT

Poster # 123. Saunders, Thomas^*,1, McClain, Michael¹, ¹ Department of Environmental Studies, Miami, FL N and P Fluxes and Transformations along an upland-riparian-stream transect in montane forest of the Andean Amazon Basin, San Alberto catchment, Peru.

FULL ABSTRACT

Poster # 124. Townsend-Small, Amy^*,1, Haberer, Jaime¹, McClain, Michael², Brandes, Jay¹, ¹ University of Texas Marine Science Institute, Port Aransas, Texas² Florida International University, Miami, Florida Isotopic tracers of nitrogen cycling in the San Alberto catchment, Andean Amazon basin .

FULL ABSTRACT

Poster # 125. LOOMIS, PATRICIA^*,1, RUESS, ROGER¹, KIELLAND, KNUT¹, ¹ University of Alaska- Fairbanks, Fairbanks, AK Patterns of nitrogen cycling at treeline and within forests along a latitudinal transect in Alaska.

FULL ABSTRACT

Poster # 126. McFarlane, Karis^*,1, Yanai, Ruth¹, Lucash, Melissa¹, ¹ State University of New York, Syracuse, NY Nutrient uptake by Engelmann spruce and subalpine fir at two Colorado subalpine forests.

FULL ABSTRACT

Poster # 127. FENN, MARK^*,1, DE BAUER, MA. DE LOURDES DE LA I.², PEREA-ESTRADA, VICTOR MANUEL², HERNANDEZ-TEJEDA, TOMAS³, ¹ USDA Forest Service, Riverside, California, mfenn@deltanet.com² Colegio de Postgraduados, Montecillo, Mexico, Mexico³ National Forestry and Agricultural Research Institute (INIFAP), Mexico City, D.F., Mexico The effects of atmospheric deposition on forested watersheds in the Los Angeles and Mexico City Air Basins.

FULL ABSTRACT

Poster # 128. Tomaszewski, Timothy^*,1, Torizzo, Jonathan¹, Boyce, Richard², Sievering, Herman¹, ¹ University of Colorado at Denver, Denver, CO² University of Denver, Denver, CO Canopy uptake of atmospheric nitrogen and new growth nitrogen requirement at a Colorado subalpine forest.

FULL ABSTRACT

Poster # 129. DYBZINSKI, RAY^*,1, SEHTIYA, HARBANS¹, BASSIRIRAD, HORMOZ¹, ¹ University of Illinois at Chicago, Chicago, IL Negative effects of nitrate loading on the physiological responses of a nitrogen-fixing tree, Robinia pseudoacacia.

FULL ABSTRACT

Poster # 130. EWING, HOLLY^*,1, GROFFMAN, PETER¹, FRANK, DOUGLAS², ¹ Institute of Ecosystem Studies, Millbrook, NY² Syracuse University, Syracuse, NY Landscape and seasonal influences on microbial activity and nitrogen cycling in Yellowstone grasslands.

FULL ABSTRACT

Poster # 131. SIRULNIK, ABBY^*,1, MEIXNER, THOMAS¹, ALLEN, EDITH¹, ¹ University of California at Riverside, Riverside, CA Effects of N deposition on N cycling in annual grasslands of southern California.

FULL ABSTRACT

Poster # 132. RHOADES, CHUCK^*,1, MILLER, SUSAN², SHEA, MARGARET³, ¹ Department of Forestry, Lexington, KY² Department of Biology, Georgetown, KY³ Bernheim Arboretum and Research Forest, Clermont, KY Enlarging glade communities through mechanical clearing: Initial soil and plant responses.

FULL ABSTRACT