Interactive Effects of C02 and Temperature on Woody Plant Growth

By | June 5, 2013

 

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[Illustrations, footnotes and references available in PDF version]

As the atmosphere’s CO2 concentration continues to rise, most trees will likely exhibit increased rates of photosynthesis and biomass production, which can subsequently lead to an increase in the amount of timber that will likely be required to meet the growing needs of earth’s expanding human population. However, some individuals have predicted that CO2-induced global warming will counteract the growth-promoting effects of atmospheric CO2 enrichment and actually reduce tree growth. Therefore, in order to determine if this widely-trumpeted claim has any validity, we turn to the peer-reviewed scientific literature to both report and summarize the results of several CO2-enrichment studies that were designed to reveal the concurrent effects of elevated CO2 and air temperature on the growth of trees and other woody plants.