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

Bellasio, Chandra; Quirk, Joe; Beerling, David J.

Description

By the end of the century, atmospheric CO₂ concentration ([CO₂]a) could reach 800 ppm, having risen from ~200 ppm ~24 Myr ago. Carbon dioxide enters plant leaves through stomata that limit CO₂ diffusion and assimilation, imposing stomatal limitation (LS). Other factors limiting assimilation are collectively called non-stomatal limitations (LNS). C₄ photosynthesis concentrates CO₂ around Rubisco, typically reducing LS. C₄-dominated savanna grasslands expanded under low [CO₂]a and are...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
URI: http://hdl.handle.net/1885/143975
Source: Plant Science
DOI: 10.1016/j.plantsci.2018.05.028
Access Rights: Open Access

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