Increase in stomatal size, S, in response to growth at elevated atmospheric CO2 (short-term experiments)

Range Table - link
Organism Plants
Reference Franks PJ, Beerling DJ. Maximum leaf conductance driven by CO2 effects on stomatal size and density over geologic time. Proc Natl Acad Sci U S A. 2009 Jun 23 106(25):10343-7. doi: 10.1073/pnas.0904209106 p.10345 table 1PubMed ID19506250
Primary Source [18] Driscoll SP, Prins A, Olmos E, Kunert KJ, Foyer CH. Specification of adaxial and abaxial stomata, epidermal structure and photosynthesis to CO2 enrichment in maize leaves. J Exp Bot. 2006, 57(2):381-90 DOI: 10.1093/jxb/erj030 [31] Uprety DC, Dwivedi N, Jain V, Mohan R (2002) Effect of elevated carbon dioxide concentration on the stomatal parameters of rice cultivars. Photosynthetica 40: 315–319 [32] Vanhatalo R, Huttunen S, Back J (2001) Effects of elevated [CO2] and O3 on stomatal and surface wax characteristics in leaves of pubescent birch growth under field conditions. Trees–Structures and Function 15:304–313PubMed ID16371401
Method Primary source [18] abstract: "Acclimation to CO2 enrichment was studied in maize plants grown to maturity in either 350 or 700 microl l/l CO2." Primary source [31] abstract: "The response of stomatal parameters of four rice cultivars to atmospheric elevated CO2 concentration (EC) was studied using open top chambers." Primary source [32] abstract: "The responses of pubescent birch (Betula pubescens Ehrh.) leaves to elevated levels of carbon dioxide and ozone were investigated…The seedlings were exposed to elevated levels of CO2 and CO2+O3 in open-top chambers over four growing seasons (1993–1996)."
Comments P.10344 left column bottom paragraph: "Consistent with [investigators'] hypothesis [they] report that a positive correlation between S and Earth's global atmospheric CO2 history (Fig. 4A) is mirrored by a negative correlation between D [stomatal density] and CO2 over hundreds of millions of years of plant evolution (Fig. 4B). The magnitude of change in S is far greater than, but consistent with, that observed in short-term CO2 experiments (Table 1). These short-term changes are presumably reflecting phenotypic plasticity (i.e., the limited range in magnitude of S resulting from the effect of changes in the environment on stomatal development within a single generation)." P.10345 right column bottom paragraph: "[Investigators'] analyses implicate long-term global atmospheric CO2 change as a continuous driver of increasing gwmax [maximum diffusive conductance to water vapor] and gcmax [maximum diffusive conductance to CO2] throughout the entire evolutionary history of vascular plants (Fig. 4C). The analyses identify a previously unrealized effect of CO2 on stomatal size that is consistent with the direction of change observed in plant CO2-enrichment experiments for a grass, C4 herb, and an angiosperm C3 tree (Table 1)."
Entered by Uri M
ID 116579