Browsing by Author "Johnson, Dale W."

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Cumulative response of ecosystem carbon and nitrogen stocks to chronic CO<SUB>2</SUB> exposure in a subtropical oak woodland

Hungate, Bruce A.; Dijkstra, Paul; Wu, Zhuoting; Duval, Benjamin D.; Day, Frank P.; Johnson, Dale W.; Megonigal, J. Patrick; Brown, Alisha L. P.; Garland, Jay L. (2013)

* Rising atmospheric carbon dioxide (CO2) could alter the carbon (C) and nitrogen (N) content of ecosystems, yet the magnitude of these effects are not well known. We examined C and N budgets of a subtropical woodland after ...
Element Pool Changes within a Scrub-Oak Ecosystem after 11 Years of Exposure to Elevated CO2

Duval, Benjamin D.; Dijkstra, Paul; Drake, Bert G.; Johnson, Dale W.; Ketterer, Michael E.; Megonigal, J. Patrick; Hungate, Bruce A. (2013)

The effects of elevated CO2 on ecosystem element stocks are equivocal, in part because cumulative effects of CO2 on element pools are difficult to detect. We conducted a complete above and belowground inventory of non-nitrogen ...
Fire, hurricane and carbon dioxide: effects on net primary production of a subtropical woodland

Hungate, Bruce A.; Day, Frank P.; Dijkstra, Paul; Duval, Benjamin D.; Hinkle, C. R.; Langley, J. Adam; Megonigal, J. Patrick; Stiling, Peter; Johnson, Dale W.; Drake, Bert G. (2013)

* Disturbance affects most terrestrial ecosystems and has the potential to shape their responses to chronic environmental change. * Scrub-oak vegetation regenerating from fire disturbance in subtropical Florida was exposed ...

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