Richard Norby Research Fellow Emeritus Contact NORBYRJ@ORNL.GOV All Publications Increases in nitrogen uptake rather than nitrogen-use efficiency support higher rates of temperate forest productivity under ... Isoprene emission from terrestrial ecosystems in response to global change: minding the gap between models and observations.... New Phytologist and the Environment... The likely impact of elevated [CO<sub>2</sub>], nitrogen deposition, increased temperature, and management on carbon sequestr... Nitrogen uptake, distribution, turnover, and efficiency of use in a CO2-enriched sweetgum forest... Nitrogen uptake, distribution, turnover, and efficiency of use in a CO<sub>2</sub>-enriched sweetgum forest Forest response to elevated CO2 is conserved across a broad range of productivity Forest response to elevated CO<sub>2</sub> is conserved across a broad range of productivity Importance of changing CO<sub>2</sub>, temperature, precipitation, and ozone on carbon and water cycles of an upland-oak fore... Elevated atmospheric carbon dioxide increases soil carbon Contrasting responses of forest ecosystems to rising atmospheric CO<sub>2</sub>: Implications for the global C cycle... A multiyear synthesis of soil respiration responses to elevated atmospheric CO<sub>2</sub> from four forest FACE experiments... Pagination First page « First Previous page ‹â¶Ä¹ … Page 3 Page 4 Current page 5 Key Links Curriculum Vitae Organizations Biological and Environmental Systems Science Directorate Environmental Sciences Division