academic article

• Global variability in leaf respiration in relation to climate, plant functional types and leaf traits..  New Phytologist.  206:614-636. 2015
• A synthesis of current knowledge on forests and carbon storage in the United States..  Ecological Applications.  21:1902-1924. 2011
• Reconciling Carbon-cycle Concepts, Terminology, and Methods.  Ecosystems Ecosystems.  9:1041-1050. 2006
• Below-ground process responses to elevated CO2 and temperature: a discussion of observations, measurement methods, and models.  New Phytologist.  162:311-322. 2004
• A general biogeochemical model describing the responses of the C and N cycles in terrestrial ecosystems to changes in CO(2), climate, and N deposition..  Tree Physiology.  9:101-126. 1991
• A comparison of methods for determining proximate carbon fractions of forest litter.  Canadian Journal of Forest Research.  20:166-171. 1990