Plant responses to decadal scale increments in atmospheric CO₂ concentration: comparing two stomatal conductance sampling methods.

ABSTRACT:

Main conclusion

Our study demonstrated that the species respond non-linearly to increases in CO₂ concentration when exposed to decadal changes in CO₂, representing the year 1987, 2025, 2051, and 2070, respectively. There are several lines of evidence suggesting that the vast majority of C3 plants respond to elevated atmospheric CO₂ by decreasing their stomatal conductance (g_s). However, in the majority of CO₂ enrichment studies, the response to elevated CO₂ are tested between plants grown under ambient (380-420 ppm) and high (538-680 ppm) CO₂ concentrations and measured usually at single time points in a diurnal cycle. We investigated g_s responses to simulated decadal increments in CO₂

SUBMITTER: Batke SP 

PROVIDER: S-EPMC6965045 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature