Effects of carbon dioxide and ozone on growth and biomass allocation in Pinus ponderosa
2002
Olszyk, D. (US EPA, St. Corvallis, (USA). Western Ecology Division) | Johnson, M. | Tingey, D. | King, G. | Storm, M. | Plocher, M.
The future productivity of forests will be affected by combinations of anthropogenic stresses including elevated atmospheric CO2 and O3. Because the productivity of forests, will be in part, determined by the growth of young trees, we evaluated the responses of Pinus ponderosa seedlings to ambient or elevated CO2 and/or high O3. Shoot growth and whole plant biomass were evaluated for seedlings growing under the CO2 and O3 treatments for 3 years in sun-lit mesocosms with ambient temperature and humidity. This study indicated the potential for CO2 but not O3 effects on Pinus ponderosa seedlings under realistic field conditions as used in this study
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