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Environmental parameters
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I0
|
Average irradiance above canopy
|
[µmol(photons) m-2 s-1]
|
|
|
600
|
|
|
k
|
Light extinction coefficient
|
[m² ground m-² leaf]
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|
|
0.5
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|
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sd
|
Mean sunshine hours per day
|
[h d-1]
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|
12
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Tree geometry parameters
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Dmax
|
Maximum diameter
|
[m]
|
0.35
|
0.35
|
0.35
|
0.8
|
0.8
|
1.0
|
Hmax
|
Maximum height
|
[m]
|
15
|
15
|
15
|
25
|
25
|
35
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h0
|
Parameter of diameter-height relationship
|
[cm m-1]
|
2.24
|
2.24
|
2.24
|
2.15
|
2.15
|
2.1
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h1
|
Parameter of diameter-height relationship
|
[m]
|
18.55
|
18.55
|
18.55
|
29.26
|
29.26
|
42
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cd
|
Parameter of diameter-crown diameter relationship
|
[m cm-1]
|
|
|
0.2†
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|
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f
|
Form factor
|
[-]
|
|
|
0.5
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|
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c
|
Crown length fraction
|
[-]
|
|
|
0.1
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|
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L
|
Leaf area index per tree
|
[m² leaf m-² ground]
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|
|
2
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|
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sw
|
Fraction of stem wood biomass to total biomass
|
[-]
|
|
|
0.7
|
|
|
|
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|
|
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Tree growth parameters
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|
|
|
|
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ρ
|
Wood density
|
[t m-3]
|
0.55
|
0.65
|
0.7
|
0.65
|
0.7
|
0.65
|
pmax
|
Maximum rate of photosynthesis
|
[µmol(CO2) m-² s -1]
|
20
|
16
|
10
|
16
|
10
|
16
|
α
|
Light-use efficiency
|
[µmol(CO2) µmol(photons) -1]
|
0.15
|
0.2
|
0.25
|
0.2
|
0.25
|
0.2
|
rg
|
Parameter of growth respiration
|
[-]
|
|
|
0.2
|
|
|
r0
|
Parameter of maintenance respiration
|
[-]
|
0.79
|
0.59
|
0.41
|
0.3
|
0.19
|
0.23
|
r1
|
Parameter of maintenance respiration
|
[-]
|
1.2
|
1.2
|
1.2
|
1.07
|
1.1
|
1.02
|
m
|
Transmission coefficient of leaves
|
[-]
|
|
|
0.1
|
|
|
codm
|
Parameter for conversion in organic dry matter
|
[t µmol(CO2) -1]
|
|
|
0.63 44e-12
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|
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Recruitment parameters
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|
|
|
|
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|
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Imin
|
Minimum light intensity for establishment
|
[% of I0]
|
10
|
3
|
1
|
3
|
1
|
3
|
Imax
|
Maximum light intensity for establishment
|
[% of I0]
|
|
|
100
|
|
|
Nmax
|
Ingrowth rates of small trees
|
[ha-1 y-1]
|
1000
|
400
|
250
|
400
|
250
|
400
|
|
|
|
|
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Mortality parameters
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|
|
|
|
|
|
|
mB
|
Basic mortality
|
[y-1]
|
0.05
|
0.015
|
0.015
|
0.01
|
0.008
|
0.01
|
mmax
|
Maximum mortality of small trees
|
[y-1]
|
|
|
0.25
|
|
|
Dmort
|
Diameter up to which mortality is increased
|
[m]
|
|
|
0.1
|
|
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Dfall
|
Minimum diameter of falling trees
|
[m]
|
|
|
0.35
|
|
|
pfall
|
Probability of large dying trees to fall
|
[%]
|
|
|
80
|
|
|
|
|
|
|
|
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|
Technical parameters
|
|
|
|
|
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|
|
DS
|
Diameter of ingrowing trees
|
[m]
|
|
|
0.01
|
|
|
a
|
Patch size
|
[m²]
|
|
|
400
|
|
|
Δh
|
Step width of vertical discretization
|
[m]
|
|
|
0.5
|
|
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