Percent Dry Weight (Biomass) Increases for 300, 600 and 900 ppm
Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Mixed Stand of Quaking Aspen (Populus tremuloides Michx.) and Paper Birch (Betula papyrifera Marsh.)
Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Mixed Stand of Quaking Aspen (Populus tremuloides Michx.) and Paper Birch (Betula papyrifera Marsh.)
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Experimental Conditions
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300 ppm
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600 ppm |
900 ppm
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King et al. (2001)
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Fine root biomass of trees grown for two years in FACE arrays under normal ozone concentrations
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124%
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|
|
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King et al. (2001)
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Fine root biomass of trees grown for two years in FACE arrays under 1.5 times the normal ozone concentration
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99%
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|
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King et al. (2005)
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Trees grown for seven years in the Aspen FACE study near Rhinelander, Wisconsin, USA
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68%
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Liu et al. (2005)
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Leaf litter biomass of seedlings in their sixth year of a FACE CO2 enrichment study under ambient O3 concentration
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56%
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Liu et al. (2005)
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Leaf litter biomass of seedlings in their sixth year of a FACE CO2 enrichment study under 1.5 times the ambient O3 concentration
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44%
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