Bibliography

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Journal Article
Pregitzer KS, Laskowski MJ, Burton AJames, Lessard VC, Zak DR.  1998.  Variation in sugar maple root respiration with root diameter and soil depth. Tree Physiology. 18:665-670.
Gan H, Zak DR, Hunter MD.  2014.  Trophic stability of soil oribatid mites in the face of environmental change. Soil Biology and Biochemistry. 68:71-77.
Freedman Z, Eisenlord SD, Zak DR, Xue K, He Z, Zhou J.  2013.  Towards a molecular understanding of N cycling in northern hardwood forests under future rates of N deposition. Soil Biology and Biochemistry. 66:130-138.
MacDonald NW, Zak DR, Pregitzer KS.  1995.  Temperature effects on kinetics of microbial respiration and net nitrogen and sulfur mineralization. Soil Science Society of America Journal. 59:233-240.
Randlett DL, Zak DR, MacDonald NW.  1992.  Sulfate adsorption and microbial immobilization in northern hardwood forests along an atmospheric deposition gradient. Canadian Journal of Forest Research. 22:1843-1850.
Zak DR, Ringelberg DB, Pregitzer KS, Randlett DL, White DC, Curtis PS.  1996.  Soil microbial communities beneath Populus grandidentata grown under elevated atmospheric CO2. Ecological Applications. 6(1):257-262.
Freedman Z, Zak DR.  2015.  Soil bacterial communities are shaped by temporal and environmental filtering: evidence from a long-term chronosequence. Environmental Microbiology. :1-11.
Patterson SL, Zak DR, Burton AJames, Talhelm AF, Pregitzer KS.  2011.  Simulated N deposition negatively impacts sugar maple regeneration in a northern hardwood ecosystem. Journal of Applied Ecology. 49:155-163.
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.
Pregitzer KS, Burton AJames, Zak DR, Talhelm AF.  2008.  Simulated chronic nitrogen deposition increases carbon storage in Northern Temperate forests. Global Change Biology. 14:142-153.
Zak DR, Holmes WE, Burton AJames, Pregitzer KS, Talhelm AF.  2008.  Simulated atmospheric NO3- deposition increases soil organic matter by slowing decomposition. Ecological Applications. 18(8):2016-2027.
Eisenlord SD, Zak DR.  2010.  Simulated Atmospheric Nitrogen Deposition Alters Actinobacterial Community Composition in Forest Soils. Soil Science Society of America Journal. 74(4):1157.
Edwards IP, Zak DR, Kellner H, Eisenlord SD, Pregitzer KS.  2011.  Simulated Atmospheric N Deposition Alters Fungal Community Composition and Suppresses Ligninolytic Gene Expression in a Northern Hardwood Forest. PLoS ONE. 6(6):1-10.
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.
Kubiske ME, Pregitzer KS, Mikan CJ, Zak DR, Maziasz JL, Teeri JA.  1997.  Populus tremuloides photosynthesis and crown architecture in response to elevated CO2 and soil N availability. Oecologia. 110:328-336.
Sefcik LTaylor, Zak DR, Ellsworth DS.  2006.  Photosynthetic responses to understory shade and elevated carbon dioxide concentration in four northern hardwood tree species. Tree Physiology. 26(12):1589-1599.
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.
Pregitzer KS, Zak DR, Talhelm AF, Burton AJames, Eikenberry JR.  2010.  Nitrogen turnover in the leaf litter and fine roots of sugar maple. Ecology. 91(12):3456-3462.
Rothstein DE, Zak DR, Pregitzer KS.  1996.  Nitrate deposition in northern hardwood forests and the nitrogen metabolism of Acer saccharum Marsh. Oecologia. 108:338-344.
Zak DR, Pregitzer KS, Burton AJ, Edwards IP, Kellner H.  2011.  Microbial responses to a changing environment: implications for the future functioning of terrestrial ecosystems. Fungal Ecology. 4(6):386-395.
Zogg GP, Zak DR, Pregitzer KS, Burton AJames.  2000.  Microbial immobilization and the retention of anthropogenic nitrate in a northern hardwood forest. Ecology. 81(7):1858-1866.
Zak DR, Holmes WE, Tomlinson MJ, Pregitzer KS, Burton AJames.  2006.  Microbial cycling of C and N in northern hardwood forests receiving chronic atmospheric NO3- deposition. Ecosystems. 9:242-253.
Burton AJames, Pregitzer KS, Zogg GP, Zak DR.  1996.  Latitudinal variation in sugar maple fine root respiration. Canadian Journal of Forest Research. 26(10):1761-1768.
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.
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(1):18-33.
Curtis PS, Vogel CS, Pregitzer KS, Zak DR, Teeri JA.  1995.  Interacting effects of soil fertility and atmospheric CO2 on leaf area growth and carbon gain physiology in Populus x euramericana (Dode) Guinier. New Phytologist. 129:253-263.
Kubiske ME, Pregitzer KS, Zak DR, Mikan CJ.  1998.  Growth and C allocation of Populus tremuloides genotypes in response to atmospheric CO2 and soil N availability. New Phytologist. 140:251-260.
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.
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(8):1154-1159.
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(1):3-17.
Zogg GP, Zak DR, Burton AJames, Pregitzer KS.  1996.  Fine root respiration in northern hardwood forests in relation to temperature and nitrogen availability. Tree Physiology. 16:719-725.
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, Pellitier PT, Argiroff WA., Castillo B, James TY, Nave LE, Averill C, Beidler KV, Bhatnagar J, Blesh J et al..  2019.  Exploring the role of ectomycorrhizal fungi in soil carbon dynamics. New Phytologist.
Zak DR, Pregitzer KS, Curtis PS, Teeri JA, Fogel RD, Randlett DL.  1993.  Elevated atmospheric CO2 and feedback between carbon and nitrogen cycles. Plant and Soil. 151:105-117.
Randlett DL, Zak DR, Pregitzer KS, Curtis PS.  1996.  Elevated atmospheric carbon dioxide and leaf litter chemistry: influences on microbial respiration and net nitrogen mineralization. Soil Science Society of America Journal. 60(5):1571-1577.
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(2):12pp.
Burton AJames, Zogg GP, Pregitzer KS, Zak DR.  1997.  Effect of measurement CO2 concentration on sugar maple root respiration. Tree Physiology. 17:421-427.
Burton AJames, Pregitzer KS, Zogg GP, Zak DR.  1998.  Drought reduces root respiration in sugar maple forests. Ecological Applications. 8(3):771-778.
Cline LC, Zak DR.  2014.  Dispersal limitation structures fungal community assembly in a long-term glacial chronosequence. Environmental Microbiology. 16(6):1538-1548.
Eisenlord SD, Zak DR, Upchurch RA.  2012.  Dispersal limitation and the assembly of soil Actinobacteria communities in a long-term chronosequence. Ecology and Evolution. 2(3):538-549.
Freedman ZB, Romanowicz KJ, Upchurch RA, Zak DR.  2015.  Differential responses of total and active soil microbial communities to long-term experimental N deposition. Soil Biology and Biochemistry. 90:275-282.
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(3):403-416.
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.
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(1/2):119-130.
Ibáñez I, Zak DR, Burton AJ, Pregitzer KS.  2016.  Chronic nitrogen deposition alters tree allometric relationships: implications for biomass production and carbon storage. Ecological Applications. 26(3):913-925.
Gan H, Zak DR, Hunter MD.  2013.  Chronic nitrogen deposition alters the structure and function of detrital food webs in a northern hardwood ecosystem. Ecological Applications. 23(6):1311-1321.
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.
Thomas DC, Zak DR, Filley TR.  2012.  Chronic N deposition does not apparently alter the biochemical composition of forest floor and soil organic matter. Soil Biology and Biochemistry. 54:7-13.
Eddy WC, Zak DR, Holmes WE, Pregitzer KS.  2008.  Chronic Atmospheric NO3- Deposition Does Not Induce NO3- Use by Acer saccharum Marsh.. Ecosystems. 11(3):469-477.
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.
Smemo KA, Zak DR, Pregitzer KS, Burton AJames.  2007.  Characteristics of DOC exported from northern hardwood forests receiving chronic experimental NO3- deposition. Ecosystems. 10:369-379.
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.
Curtis PS, O'Neill EG, Teeri JA, Zak DR, Pregitzer KS.  1994.  Belowground responses to rising atmospheric CO2: implications for plants, soil biota and ecosystem processes. Plant and Soil. 165:1-6.
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.
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.
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(6):965-971.
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.
Freedman ZB, Zak DR.  2015.  Atmospheric N deposition alters connectance, but not functional potential among saprotrophic bacterial communities. Molecular Ecology. 24(12):3170-3180.
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(1):34-46.
Pregitzer KS, Zak DR, Curtis PS, Kubiske ME, Teeri JA, Vogel CS.  1995.  Atmospheric CO2, soil nitrogen and turnover of fine roots. New Phytologist. 129:579-585.
Zak DR, Pregitzer KS, Curtis PS, Holmes WE.  2000.  Atmospheric CO2 and the composition and function of soil microbial communities. Ecological Applications. 10(1):47-59.
Hassett JE, Zak DR, Blackwood CB, Pregitzer KS.  2009.  Are Basidiomycete Laccase Gene Abundance and Composition Related to Reduced Lignolytic Activity Under Elevated Atmospheric NO3 − Deposition in a Northern Hardwood Forest? Microbial Ecology. 57(4):728-739.
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.
Talhelm AF, Pregitzer KS, Burton AJames, Zak DR.  2012.  Air pollution and the changing biogeochemistry of northern forests. Frontiers in Ecology and the Environment. :110622071548013.
Curtis PS, Zak DR, Pregitzer KS, Teeri JA.  1994.  Above- and belowground response of Populus grandidentata to elevated atmospheric CO2 and soil N availability. Plant and Soil. 165:45-51.