Elevated atmospheric carbon dioxide (Ca) usually reduces stomatal conductance, but the effects on plant transpiration in the field are not well understood. Using …
Journal: Global Change Biology, Volume 9 (1): 96-105 (2003). DOI: 10.1046/j.1365-2486.2003.00557.x Sites: US-KS2
Simultaneous measurements of net ecosystem CO2 exchange (NEE) were made in a Florida scrub-oak ecosystem in August 1997 and then every month between April 2000 to …
Journal: Global Change Biology, Volume 9 (1): 84-95 (2003). DOI: 10.1046/j.1365-2486.2003.00561.x Sites: US-KS1, US-KS2
The unabated increase in global atmospheric CO2 is expected to induce physiological changes in plants, including reduced foliar nitrogen, which are likely to affect herbivore densities. This study employs a field-based CO2 enrichment experiment at Kennedy Space Center, Florida, to examine plant-herbivore (insect) …
Journal: Oecologia, Volume 134 (1): 82-87 (2003). DOI: 10.1007/s00442-002-1075-5 Sites: US-KS2
Elevated carbon dioxide (CO2) caused greater accumulation of carbon (C) and nutrients in both vegetation and O horizons over a 5-yr sampling period in a scrub oak ecosystem in Florida. Elevated CO2 had no effect on any measured soil property except extractable phosphorus (P), which was lower with elevated CO2 …
Journal: Ecological Applications, Volume 13 (5): 1388-1399 (2003). DOI: 10.1890/02-5139 Sites: US-KS2
Leaf conductance often decreases in response to elevated atmospheric CO2 concentration (Ca) potentially leading to changes in hydrology. We describe the hydrological responses of Florida scrub oak to elevated Ca during an eight-month period two years after Ca …
Journal: Global Change Biology, Volume 8 (3): 289-298 (2002). DOI: 10.1046/j.1365-2486.2002.00468.x Sites: US-KS2
For two species of oak, we determined whether increasing atmospheric CO2 concentration (Ca) would decrease leaf mitochondrial respiration (R) directly, or indirectly owing to their growth in elevated Ca, or both. In particular, we tested whether acclimatory decreases in leaf-Rubisco …
Journal: Global Change Biology, Volume 8 (4): 317-328 (2002). DOI: 10.1046/j.1354-1013.2001.00472.x Sites: US-KS2
The effect of elevated atmospheric CO2 concentration (Ca) on the aboveground biomass of three oak species, Quercus myrtifolia, Q. …
Journal: Global Change Biology, Volume 8 (1): 90-103 (2002). DOI: 10.1046/j.1354-1013.2001.00458.x Sites: US-KS2
Increased levels of atmospheric carbon dioxide (CO2) are likely to affect the trophic relationships that exist between plants, their herbivores and the herbivores’ …
Journal: Global Change Biology, Volume 8 (7): 658-667 (2002). DOI: 10.1046/j.1365-2486.2002.00501.x Sites: US-KS2
Portions of a regenerating scrub oak ecosystem were enclosed in open-top chambers and exposed to elevated CO2. The distinct 13C signal of the supplemental CO2 was used to trace the rate of C integration into various ecosystem …
Journal: Oecologia, Volume 131 (4): 542-548 (2002). DOI: 10.1007/s00442-002-0932-6 Sites: US-KS2
The long-term effects of elevated (ambient plus 350 μmol mol−1) atmospheric CO2 concentration (Ca) on the leaf senescence of Quercus …
Journal: Global Change Biology, Volume 6 (7): 727-733 (2000). DOI: 10.1046/j.1365-2486.2000.00347.x Sites: US-KS2