10.15146/R3KW2J Hungate, Bruce 0000-0002-7337-1887 Drake, Bert Dijkstra, Paul 0000-0002-4483-0116 DataONE 2015 elevated CO2 open-top chamber aboveground stem density aboveground biomass global change long-term experiment fire hurricane scrub-oak Biogeochemistry, SERC US Department of Energy 10.1111/nph.12409 10.1890/04-1732 10.1111/nph.12333 Dataset 304070 Creative Commons Public Domain Dedication (CC0) This dataset contains data on the amount of carbon, nitrogen and tracer 15N recovered in aboveground oak tissues (leaves and stems). Data were collected as part of the Smithsonian Environmental Research Center's elevated CO2 experiment in the subtropical woodland in central coastal Florida (Kennedy Space Center). The data reported here are derived from several measurements. Stem and leaf biomass was estimated using allometry. Stem and leaf tissue samples were also removed and measured for %C, %N, and d15N at the Colorado Plateau Stable Isotope Laboratory. The product of biomass and element concentration gives carbon or nitrogen mass in g/m2. The 15N tracer was applied in June of 1998. Values of 15N mass expressed here are in the mass of tracer 15N, after subtracting naturally occurring 15N. Methods available in Hungate et al, 2013. DOI: 10.1111/nph.12409 DE-FG-02-95ER61993