Atmospheric CO2 and the ratio of intercellular to ambient CO2 concentrations in plants
- 1 February 1995
- journal article
- research article
- Published by Oxford University Press (OUP) in Tree Physiology
- Vol. 15 (2) , 105-111
- https://doi.org/10.1093/treephys/15.2.105
Abstract
Much attention is focused today on predicting how plants will respond to anticipated changes in atmospheric composition and climate, and in particular to increases in CO2 concentration. Here we review the long-term global fluctuations in atmospheric CO2 concentration as a framework for understanding how current trends in atmospheric CO2 concentration fit into a selective, evolutionary context. We then focus on an integrated approach for understanding how gas exchange metabolism responds to current environmental conditions, how it previously responded to glacial–interglacial conditions, and how it may respond to future changes in atmospheric CO2 concentration.Keywords
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