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    Author(s): Katri Kostiainen; Seija Kaakinen; Elina Warsta; Mark E. Kubiske; Neil D. Nelson; Jaak Sober; David F. Karnosky; Pekka Saranpaa; Elina Vapaavuori
    Date: 2008
    Source: Tree Physiology. 28: 805-813.
    Publication Series: Scientific Journal (JRNL)
    Station: Northern Research Station
    PDF: Download Publication  (143.66 KB)


    We investigated the interactive effects of elevated concentrations of carbon dioxide ([CO2]) and ozone ([O3]) on radial growth, wood chemistry and structure of five 5-year-old trembling aspen (Populus tremuloides Michx.) clones and the wood chemistry of paper birch (Betula papyrifera Marsh.). Material for the study was collected from the Aspen FACE (free-air CO2 enrichment) experiment in Rhinelander, WI, where the saplings had been exposed to four treatments: control, elevated [CO2] (560 ppm), elevated [O3] (1.5 x ambient) and their combination for five growing seasons.Wood properties of both species were altered in response to exposure to the treatments.

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    Kostiainen, Katri; Kaakinen, Seija; Warsta, Elina; Kubiske, Mark E.; Nelson, Neil D.; Sober, Jaak; Karnosky, David F.; Saranpaa, Pekka; Vapaavuori, Elina. 2008. Wood properties of trembling aspen and paper birch after 5 years of exposure to elevated concentrations of CO2 and O3. Tree Physiology. 28: 805-813.


    Betula papyrifera, carbon dioxide, cell wall, climate change, FACE, ozone, Populus tremuloides, wood chemistry, wood structure

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