Research Bibliography

Sefcik LTaylor, Zak DR, Ellsworth DS.  2006.  Seedling survival in a northern temperate forest understory is increased by elevated atmospheric carbon dioxide and atmospheric nitrogen deposition. Global Change Biology. 13:132-146.

DeForest JL, Zak DR, Pregitzer KS, Burton AJames.  2005.  Atmospheric nitrate deposition and enhanced dissolved organic carbon leaching: test of a potential mechanism. Soil Science Society of America Journal. 69:1233-1237.

King JS, Pregitzer KS, Zak DR, Holmes WE, Schmidt K..  2005.  Fine root chemistry and decomposition in model communities of north-temperate tree species show little response to elevated atmospheric CO2 and varying soil resource availability. Oecologia. 146:318-328.

Zak DR, Pregitzer KS, Holmes WE, Burton AJames, Zogg GP.  2004.  Anthropogenic N deposition and the fate of 15NO3- in a northern hardwood ecosystem. Biogeochemistry. 69:143-157.

DeForest JL, Zak DR, Pregitzer KS, Burton AJames.  2004.  Atmospheric nitrate deposition and the microbial degradation of cellobiose and vanillin in a northern hardwood forest. Soil Biology and Biochemistry. 36:965-971.

DeForest JL, Zak DR, Pregitzer KS, Burton AJames.  2004.  Atmospheric nitrate deposition, microbial community composition, and enzyme activity in northern hardwood forests. Soil Science Society of America Journal. 68:132-138.

White LL, Zak DR, Barnes BVerne.  2004.  Biomass accumulation and soil nitrogen availability in an 87-year-old Populus grandidentata chronosequence. Forest Ecology and Management. 191:121-127.

Pregitzer KS, Zak DR, Burton AJames, Ashby JA, MacDonald NW.  2004.  Chronic nitrate additions dramatically increase the export of carbon and nitrogen from northern hardwood ecosystems. Biogeochemistry. 68:179-197.

Burton AJames, Pregitzer KS, Crawford JN, Zogg GP, Zak DR.  2004.  Simulated chronic NO3- deposition reduces soil respiration in northern hardwood forests. Global Change Biology. 10:1080-1091.

Williams EL, Walter LM, Ku TCW, Kling GW, Zak DR.  2003.  Effects of CO2 and nutrient availability on mineral weathering in controlled tree growth experiments. Global Biogeochemical Cycles. 17:12pp.

Davidson E.A, Savage K., Bolstad PV, Clark D.A, Curtis PS, Ellsworth DS, Hanson PJ, Law BE, Luo Y., Pregitzer KS et al..  2002.  Belowground carbon allocation in forests estimated from litterfall and IRGA-based soil respiration measurements. Agricultural and Forest Meteorology. 113:39-51.

Kubiske ME, Zak DR, Pregitzer KS, Takeuchi Y.  2002.  Photosynthetic acclimation of overstory Populus tremuloides and understory Acer saccharum to elevated atmospheric CO2: interactions with shade and soil N. Tree Physiology. 22:321-329.

King JS, Pregitzer KS, Zak DR, Kubiske ME, Ashby JA, Holmes WE.  2001.  Chemistry and decomposition of litter from Populus tremuloides Michaux grown at elevated atmospheric CO2 and varying N availability. Global Change Biology. 7:65-74.

King JS, Pregitzer KS, Zak DR, Kubiske ME, Holmes W.E.  2001.  Correlation of foliage and litter chemistry of sugar maple, Acer saccharum, as affected by elevated CO2 and varying N availability, and effects on decomposition. Oikos. 94:403-416.

Zak DR, Pregitzer KS, Curtis PS, Holmes WE.  2000.  Atmospheric CO2 and the composition and function of soil microbial communities. Ecological Applications. 10:47-59.

Zak DR, Pregitzer KS, Curtis PS, Vogel CS, Holmes WE, Lussenhop J.  2000.  Atmospheric CO2, soil-N availability, and allocation of biomass and nitrogen by Populus tremuloides. Ecological Applications. 10:34-46.

Mikan CJ, Zak DR, Kubiske ME, Pregitzer KS.  2000.  Combined effects of atmospheric CO2 and N availability on the belowground carbon and nitrogen dynamics of aspen mesocosms. Oecologia. 124:432-445.

Curtis PS, Vogel CS, Wang X, Pregitzer KS, Zak DR, Lussenhop J, Kubiske ME, Teeri JA.  2000.  Gas exchange, leaf nitrogen, and growth efficiency of Populus tremuloides in a CO2-enriched atmosphere. Ecological Applications. 10:3-17.

Wang X, Curtis PS, Pregitzer KS, Zak DR.  2000.  Genotypic variation in physiological and growth responses of Populus tremuloides to elevated atmospheric CO2 concentration. Tree Physiology. 20:1019-1028.

Pregitzer KS, Zak DR, Maziasz JL, DeForest JL, Curtis PS, Lussenhop J.  2000.  Interactive effects of atmospheric CO2 and soil-N availability on fine roots of Populus tremuloides. Ecological Applications. 10:18-33.

Rothstein DE, Zak DR, Pregitzer KS, Curtis PS.  2000.  Kinetics of nitrogen uptake by Populus tremuloides in relation to atmospheric CO2 and soil nitrogen availability. Tree Physiology. 20:265-270.

Zogg GP, Zak DR, Pregitzer KS, Burton AJames.  2000.  Microbial immobilization and the retention of anthropogenic nitrate in a northern hardwood forest. Ecology. 81:1858-1866.

King JS, Pregitzer KS, Zak DR.  1999.  Clonal variation in above- and below-ground growth responses of Populus tremuloides Michaux : Influence of soil warming and nutrient availability. Plant and Soil. 217:119-130.

Mansfield JL, Curtis PS, Zak DR, Pregitzer KS.  1999.  Genotypic variation for condensed tannin production in trembling aspen (Populus tremuloides, Salicaceae) under elevated CO2 and in high- and low-fertility soil. American Journal of Botany. 86:1154-1159.

Burton AJames, Pregitzer KS, Zogg GP, Zak DR.  1998.  Drought reduces root respiration in sugar maple forests. Ecological Applications. 8:771-778.