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Aspen FACE - Plant Response Data

The FACE data provided on this site are freely available and were furnished by individual FACE scientists who encourage their use. Please inform Mark Kubiske (Site Investigator, ASPEN FACE) of how you are using these data and of any publication plans.

Annual Productivity Data

For annual estimates of wood, litter, and fine root production, as well as LAI, LAD, APAR, and peak seasonal fine root standing biomass, please see NPP synthesis research.


  • Norby RJ, DeLucia EH, Gielen B, Calfapietra C, Giardina CP,King JS, Ledford J, McCarthy HR, Moore DJP, Ceulemans R, De Angelis P, Finzi AC, Karnosky DF, Kubiske ME, Lukac M, Pregitzer KS, Scarascia-Mugnozza GE, Schlesinger WH, Oren R. 2005. Forest response to elevated CO2 is conserved across a broad range of productivity. Proceedings of the National Academy of Sciences 102: 18052-18056.

Nitrogen Uptake Data

Please see Nitrogen uptake synthesis research.


  • Finzi AC,Norby RJ,Calfapietra C,Gallet-Budynek A,Gielen B,Holmes WE,Hoosebeek MR,Iversen CM,Jackson RB,Kubiske ME,Ledford J,Liberloo M,Oren R,Polle A,Pritchard S,Zak DR,Schlesinger WH,Ceulemans R.2007.Increases in nitrogen uptake rather than nitrogen-use efficiency support higher rates of temperate forest productivity under elevated CO2Proceedings of the National Academy of Sciences 104: 14014-14019.