Table 1. Equations of the photosynthesis - stomatal conductance models.

Process	Equation	Unit	Eqn	Ref.
Nitrogen sub-model
Leaf nitrogen content		g Nm− 2	1	−
Leaf photosynthetic N content		g Nm− 2	2	−
Photosynthetic sub-model
Net photosynthetic rate		µmol m− 2 s− 1	3	[1]
Rubisco limited photosynthetic rate through RuBP carboxylation/oxygenation		µmol m− 2 s− 1	4	[1]
Intermediate variable synthesising the Rubisco affinity for CO2		Pa	5	[1]
Maximum rate of carboxylation		µmol m− 2 s− 1	6	[2]
RuBP regeneration limited photosyn−thetic rate through electron transport		µmol m− 2 s− 1	7	[1]
Light dependence of electron transport rate		µmol m− 2 s− 1	8	[1]
Potential RuBP regeneration rate		µmol m− 2 s− 1	9	[2]
CO2 compensation point in the absence of mitochondrial respiration		Pa	10	[1]
Leaf respiration without photorespiration		µmol m− 2 s− 1	11	[27]
Temperature dependence of J max and Vcmax		dimensionless	12	[31]
Temperature dependence of K c, K o, τ and R dark		dimensionless	13	[27]
Stomatal conductance sub-model
Stomatal conductance		mmol m− 2 s− 1	14	[27]
CO2 partial pressure at the leaf boundary layer		Pa	15	[3]
Photosynthesis-stomata coupling
CO2 intercellular concentration		Pa	16	[29]
Analytical solution for photosynthesis calculation		µmol m− 2 s− 1	17	[29]
Photosynthetic acclimation
Photosynthetic acclimation to growth temperature		J K− 1 mol− 1 J K− 1 mol− 1 dimensionless	18a 18b 19	[32]
Photosynthetic acclimation to CO2 concentration		dimensionless µmol g− 1 N s− 1	20 21	[33]