Published May 29, 2019 | Version Submitted
Journal article Open

Stomatal and non-stomatal limitations in savanna trees and C4 grasses grown at low, ambient and high atmospheric CO2

  • 1. University balearic islands
  • 2. The University of Sheffield

Description

Highlights:

 

  • Under a physiological watering–wetting cycle, C4 assimilation was limited by metabolic factors.
  • These non-stomatal limitations were not alleviated by increasing growth [CO2]a.
  • In C3 trees the assimilation was limited by stomatal factors.
  • These stomatal limitations decreased substantially with increasing growth [CO2] a.
  • Rising [CO2]a will reduce the competitiveness of C4 grasses to impinge on savanna vegetation.

Files

Lns_PlantSci_final.pdf

Files (475.5 kB)

Name Size Download all
md5:5fe547dde9d440f50b25733c543e6e71
475.5 kB Preview Download

Additional details

Funding

European Commission
CDREG - Carbon dioxide regulation of Earth’s ecological weathering engine: from microorganisms to ecosystems 322998
European Commission
DILIPHO - Diffusional limitations to C4 photosynthesis 702755