Effects of elevated CO2 and O3 on stem wood chemistry in trembling aspen, paper birch and sugar maple
2002
Anttonen, S. (Finnish Forest Research Institute, Suonenjoki (Finland). Suonenjoki Research Station) | Kostianen, K. | Vapaavuori, E. | Isebrands, J. G. | McDonald, E. | Sober, J. | Karnosky, D. F.
Global environmental change, including increasing atmospheric CO2 and tropospheric O3 is likely to impact forest growth and wood properties. Increase in CO2 enhances photosynthesis, growth and productivity. On the contrary, O3 is detrimental to forest vitality and yield. At present reports of long-term studies on the effects of combined exposures of CO2 and O3 on stem wood chemistry of deciduous trees are lacking. The aim of this study was to investigate the effects of CO2 and O3, singly or in combination, on stem wood chemistry of four-year old saplings of trembling asspen (Populus tremuloides) clones differing in ozone tolerance, paper birch (Betula papyrifera) and sugar maple (Acer saccharum)
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