Update: Modeling stomatal conductance

Robust models of stomatal conductance are greatly needed to predict plant-atmosphere interactions in a changing climate, and to integrate new knowledge in physiology and ecological theory. Recent years have brought major advances in the experimental and theoretical understanding underpinning both process-based and optimality-based approaches to modeling stomatal function. I review these advances, highlight areas in need of more research, and argue that these modeling approaches are poised to supersede the long-dominant empirical approach.

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