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    Author(s): Seija Kaakinen; Katri Kostiainen; Fredrik Ek; Pekka Saranpaa; Mark E. Kubiske; Jaak Sober; David F. Karnosky; Elina Vapaavuori
    Date: 2004
    Source: Global Change Biology. 10: 1513-1525.
    Publication Series: Scientific Journal (JRNL)
    Station: Northern Research Station
    PDF: Download Publication  (323.88 KB)


    The aim of this study was to examine the effects of elevated carbon dioxide [CO2] and ozone [O3] and their interaction on wood chemistry and anatomy of five clones of 3-year-old trembling aspen (Populus tremuloides Michx.). Wood chemistry was studied also on paper birch (Betula papyrifera Marsh.) and sugar maple (Acer saccharum Marsh.) seedling-origin saplings of the same age. Material for the study was collected from the Aspen Free-Air CO2 Enrichment (FACE) experiment in Rhinelander, WI, USA, where the saplings had been exposed to four treatments: control (C; ambient CO2, ambient O3), elevated CO2 (560ppm during daylight hours), elevated O3 (1.5 x ambient during daylight hours) and their combination (CO2+O3) for three growing seasons (1998-2000).

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    Kaakinen, Seija; Kostiainen, Katri; Ek, Fredrik; Saranpaa, Pekka; Kubiske, Mark E.; Sober, Jaak; Karnosky , David F.; Vapaavuori, Elina. 2004. Stem wood properties of Populus tremuloides, Betula papyrifera and Acer saccharum saplings after three years of treatments to elevated carbon dioxide and ozone. Global Change Biology. 10: 1513-1525.


    aspen, birch, cell wall, a-cellulose, climate change, fibre, hemicellulose, lignin, maple, vessel

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