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Percent Photosynthesis (Net CO2 Exchange Rate) Increases for 300, 600 and 900 ppm
Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Six hardwood tree species (Betula papyrifera, Populus tremuloides, Acer saccharum, Fagus grandifolia, Pinus strobus, Prunus serotina)
Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Six hardwood tree species (Betula papyrifera, Populus tremuloides, Acer saccharum, Fagus grandifolia, Pinus strobus, Prunus serotina)
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Experimental Conditions
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300 ppm
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600 ppm |
900 ppm
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Sefcik et al. (2007)
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Photosynthesis of light saturated seedlings grown for two years in open-top chambers located within a 90-year-old N-limited northern hardwood forest in northern Lower Michigan (USA)
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65%
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Sefcik et al. (2007)
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Photosynthesis of light limited seedlings grown for two years in open-top chambers located within a 90-year-old N-limited northern hardwood forest in northern Lower Michigan (USA)
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51%
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