Table 1.
Light condition | Trait | Description | Unit |
---|---|---|---|
Steady-state | A sat | Leaf net CO2 uptake in saturating light | µmol m–2 s–1 |
g s | Stomatal conductance | mol m–2 s–1 | |
C i | Intercellular CO2 concentration | µmol mol–1 | |
iWUE | Intrinsic water-use efficiency (iWUE=A/ gs) | µmol CO2 mol H2O–1 | |
V c, max | Maximum rate of carboxylation | µmol m–2 s–1 | |
Jmax | Maximum rate of electron transport | µmol m–2 s–1 | |
CE | Carboxylation efficiency | mol m–2 s–1 | |
Γ | Compensation point | µmol m-2 s-1 | |
Φ | Quantum yield | Unitless (0–1) | |
Non-steady-state | Ā 300 | Average A during first 300 s of induction | µmol m–2 s–1 |
Average gs during first 300 s of induction | mol m–2 s–1 | ||
Average Ci during first 300 s of induction | µmol mol–1 | ||
Average iWUE during first 300 s of induction | µmol CO2 mol H2O–1 | ||
IT50 | Time to 50% induction | Seconds | |
IT90 | Time to 90% induction | Seconds | |
A Max | Maximum A during induction | µmol m–2 s–1 | |
A 300 | A at the end of 300 s | µmol m–2 s–1 | |
A* | A corrected for stomatal limitation | µmol m–2 s–1 | |
1/ τ | Rate constant of Rubisco activation | Seconds | |
τ | Time to activation of photosynthesis | Seconds | |
C Loss | Forgone assimilation | µmol m–2 |
Units and light conditions are included.