Table I. List of all traits estimated in this study, the symbols used throughout the text, and their units
Category and TraitSymbolUnits
Leaf function
 Apparent photorespiratory CO2 compensation pointCi*Pa
 Mitochondrial respiration in the lightRdµmol CO2 m−2 s−1
 Absorptance at 470 and 665 nmαunitless
 Chlorophyll contentSPADunitless
 Net assimilation rateANµmol CO2 m−2 s−1
 Maximum light- and CO2-saturated assimilation rateAmaxµmol CO2 m−2 s−1
 Stomatal conductance to water vaporgsmol water m−2 s−1
 Stomatal conductance to CO2gs-co2mol CO2 m−2 s−1
 Mesophyll conductancegmµmol CO2 m−2 s−1 Pa−1
 Ratio of mesophyll to stomatal conductancegm/gs-co2mol CO2 mol−1 CO2
 Intrinsic WUEAN/gsµmol CO2 mol−1 water
 Integrated WUE, the ratio of 13C to 12C of leaf tissueδ13C
 Calibrated linear electron transport rateJcalµmol electrons m−2 s−1
 CO2 concentration gradient between intercellular air spaces and chloroplast stromaCi-Ccµmol CO2 mol−1 air
 Nitrogen concentrationNmass% (w/w)
 Nitrogen concentration per areaNareamg N m−2 leaf
Leaf structure
 Leaf thicknessLTmm
 Leaf densityLDg cm−3
 Leaf mass per areaLMAg m−2
 Leaf dry matter contentLDMCg dry weight g−1 fresh weight