Below-ground process responses to elevated CO2 and temperature: a discussion of observations, measurement methods, and models

Pendall, E. ; Bridgham, S. ; Hanson, P. J. ; Hungate, Bruce A. ; Kicklighter, D. W. ; Johnson, D. W. ; Law, B. E. ; Luo, Y. ; Megonigal, J. Patrick ; Olsrud, M. ; Ryan, M. G. ; Wan, S. (2004). Below-ground process responses to elevated CO2 and temperature: a discussion of observations, measurement methods, and models . New Phytologist, 162 , 311-322.