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. 2021 Feb 17;16(2):e0247165. doi: 10.1371/journal.pone.0247165

Table 1. Eco-physiological parameters used in BBGC.

No Eco-physiological parameter Unit STEP-0 STEP-2 Note
1 1 = WOODY 0 = NON-WOODY (flag) 1    
2 1 = EVERGREEN 0 = DECIDUOUS (flag) 1    
3 1 = C3 PSN 0 = C4 PSN (flag) 1    
4 1 = MODEL PHENOLOGY 0 = USER-SPECIFIED PHENOLOGY (flag) 1    
5 yearday to start new growth (when phenology flag = 0) (day of year) 0    
6 yearday to end litterfall (when phenology flag = 0) (day of year) 0    
7 transfer growth period as fraction of growing season (prop.) 0.3    
8 litterfall as fraction of growing season (prop.) 0.3    
9 annual leaf turnover fraction (year-1) 0.25    
10 annual fine root turnover fraction (year-1) 0.25 0.69 STEP-1, Noguchi et al. 2007
11 annual live wood turnover fraction (year-1) 0.7    
12 annual whole-plant mortality fraction (year-1) 0.005    
13 annual fire mortality fraction (year-1) 0.005 0 STEP-1, statistics on forest fire in Japan
14 (ALLOCATION) new fine root C : new leaf C (ratio) 1    
15 (ALLOCATION) new stem C : new leaf C (ratio) 2.2    
16 (ALLOCATION) new live wood C : new total wood C (ratio) 0.1    
17 (ALLOCATION) new croot C : new stem C (ratio) 0.3    
18 (ALLOCATION) current growth proportion (prop.) 0.5    
19 C:N of leaves (gC gN-1) 42 37 STEP-1, median in PTDB (N = 1731)
20 C:N of leaf litter, after retranslocation (gC gN-1) 93 83 STEP-1, scaling by C:N of leaves
21 C:N of fine roots (gC gN-1) 42 70 STEP-1, median in PTDB (N = 39)
22 C:N of live wood (gC gN-1) 50 55 STEP-1, scaling by C:N of dead wood
23 C:N of dead wood (gC gN-1) 729 801 STEP-1, median in PTDB (N = 69)
24 leaf litter labile proportion (DIM) 0.32    
25 leaf litter cellulose proportion (DIM) 0.44    
26 leaf litter lignin proportion (DIM) 0.24    
27 fine root labile proportion (DIM) 0.3    
28 fine root cellulose proportion (DIM) 0.45    
29 fine root lignin proportion (DIM) 0.25    
30 dead wood cellulose proportion (DIM) 0.76    
31 dead wood lignin proportion (DIM) 0.24    
32 canopy water interception coefficient (LAI-1 day-1) 0.041    
33 canopy light extinction coefficient (DIM) 0.5    
34 all-sided to projected leaf area ratio (DIM) 2.6    
35 canopy average specific leaf area (projected area basis) (m2 kgC-1) 12 10.6 STEP-1, median in PTDB (N = 240)
36 ratio of shaded SLA:sunlit SLA (DIM) 2    
37 fraction of leaf N in Rubisco (DIM) 0.04 0.0152 STEP-2, Bayesian optimization
38 maximum stomatal conductance (projected area basis) (m s-1) 0.003 0.0031 STEP-1, median in PTDB (N = 57)
39 cuticular conductance (projected area basis) (m s-1) 0.00001    
40 boundary layer conductance (projected area basis) (m s-1) 0.08    
41 leaf water potential: start of conductance reduction (MPa) -0.6    
42 leaf water potential: complete conductance reduction (MPa) -2.3    
43 vapor pressure deficit: start of conductance reduction (Pa) 930 135 STEP-2, Bayesian optimization
44 vapor pressure deficit: complete conductance reduction (Pa) 4100 1825 STEP-2, Bayesian optimization