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. 2019 Mar 19;141(1):83–97. doi: 10.1007/s11120-019-00632-x

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© The Author(s) 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 8 — a Diurnal measurements of light intensity (PFD), air temperature (T) and air vapour pressure deficit (VPD_A) during July 21, 2015 in Urbana, Illinois, USA. b Observed (symbols) and modelled (lines) net assimilation rate (A_n) at 90 min intervals. Simulations were performed with the coupled photosynthesis-stomatal conductance model, using the weather data in a as input. Lines show model predictions using either the Medlyn (grey lines) or the modified stomatal conductance model (black lines), with parameter estimates from controlled conditions (dotted lines) or re-calibrated on field-grown plants (solid lines) (c) Observed (symbols) and modelled (lines) stomatal conductance (g_s). Line legend as explained for b. Error bars indicate standard errors (n = 7–8 biological replicates)