Fig. 3: Sap flow and gs response to pre-dawn Ψleaf across broad spatial scales. | Nature Plants

Fig. 3: Sap flow and gs response to pre-dawn Ψleaf across broad spatial scales.

From: Uniform regulation of stomatal closure across temperate tree species to sustain nocturnal turgor and growth

Fig. 3

a, Pre-dawn Ψleaf measurements related to daily maximum sap flux density (expressed as a percentage of the maximum sap flux density of the tree). Species are distinguished by different colours. The line represents a significant log-transformed relationship, with species considered as a random effect to generate an across-species response curve. The grey dotted line is shown at −1.2 MPa for reference. b, Locations of the sites included in this analysis, as detailed in Supplementary Table 5. c,d, Relationship between pre-dawn Ψleaf and gs for Australian tree species (c), distinguishable by colours as presented in the location map (d).

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