Will photosynthetic capacity of aspen trees acclimate after long term exposure to elevated CO2 and O3?

Joseph N.T. Darbah; Mark E. Kubiske; Neil Nelson; Katre Kets; Johanna Riikonen; Anu Sober; Lisa Rouse; David F. Karnosky

Treesearch

Will photosynthetic capacity of aspen trees acclimate after long term exposure to elevated CO₂ and O₃?

Informally Refereed

Authors:

Joseph N.T. Darbah, Mark E. Kubiske, Neil Nelson, Katre Kets, Johanna Riikonen, Anu Sober, Lisa Rouse, David F. Karnosky

Year:

2010

Type:

Scientific Journal

Station:

Northern Research Station

Source:

Environmental Pollution. 158: 983-991

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Abstract

Photosynthetic acclimation under elevated carbon dioxide (CO₂) and/or ozone (O₃) has been the topic of discussion in many papers recently. We examined whether or not aspen plants grown under elevated CO₂ and/or O₃ will acclimate after 11 years of exposure at the Aspen Face site in Rhinelander, WI, USA. We studied diurnal patterns of instantaneous photosynthetic measurements as well as A/C_i measurements monthly during the 2004-2008 growing seasons.

Keywords

stomatal conductance, maximum electron transport, maximum carboxylation capacity, gas exchange, clonal differences, Populus tremuloides

Citation

Darbah, Joseph N.T.; Kubiske, Mark E.; Nelson, Neil; Kets, Katre; Riikonen, Johanna; Sober, Anu; Rouse, Lisa; Karnosky, David F. 2010. Will photosynthetic capacity of aspen trees acclimate after long term exposure to elevated CO2 and O3?. Environmental Pollution. 158: 983-991.