i_parameters_lit {r3PG}

Information about literature parameters

Description

A dataset containing parameter sets from published studies with 3PG

Usage

i_parameters_lit

Format

A data frame with 110 rows and 124 variables:

parset_id

id of the parameter set

species

species scientific name

age

whether the parameter set was was used in even or uneven stands.

type

whether the parameter set was used in monocultures or mixed stands.

year

year of publication

region

geographical region in which the parameters were tested. NAs values are allowed.

country

country or countries in which the parameters were tested.

notes

any relevant remark about how the parameters were processed. NAs are allowed.

source

short reference to publication

source_comments

any relevant comment about the parameters present in the publication. NAs are allowed.

source_full

full reference to publication

link

a link to the publication, e.g. doi

pFS2

Foliage:stem partitioning ratio - D = 2 cm

pFS20

Foliage:stem partitioning ratio - D = 20 cm

aWS

Constant in the stem mass v. diam. relationship

nWS

Power in the stem mass v. diam. relationship

pRx

Maximum fraction of NPP to roots

pRn

Minimum fraction of NPP to roots

gammaF1

Maximum litterfall rate

gammaF0

Litterfall rate at t = 0

tgammaF

Age at which litterfall rate has median value

gammaR

Average monthly root turnover rate

leafgrow

If deciduous, leaves are produced at end of this month

leaffall

If deciduous, leaves all fall at start of this month

Tmin

Minimum temperature for growth

Topt

Optimum temperature for growth

Tmax

Maximum temperature for growth

kF

Days production lost per frost day

SWconst

Moisture ratio deficit for fq = 0.5

SWpower

Power of moisture ratio deficit

fCalpha700

Assimilation enhancement factor at 700 ppm

fCg700

Canopy conductance enhancement factor at 700 ppm

m0

Value of m when FR = 0

fN0

Value of fNutr when FR = 0

fNn

Power of (1-FR) in fNutr

MaxAge

Maximum stand age used in age modifier

nAge

Power of relative age in function for fAge

rAge

Relative age to give fAge = 0.5

gammaN1

Mortality rate for large t

gammaN0

Seedling mortality rate (t = 0)

tgammaN

Age at which mortality rate has median value

ngammaN

Shape of mortality response

wSx1000

Max. stem mass per tree - 1000 trees/hectare

thinPower

Power in self-thinning rule

mF

Fraction mean single-tree foliage biomass lost per dead tree

mR

Fraction mean single-tree root biomass lost per dead tree

mS

Fraction mean single-tree stem biomass lost per dead tree

SLA0

Specific leaf area at age 0

SLA1

Specific leaf area for mature leaves

tSLA

Age at which specific leaf area = (SLA0+SLA1)/2

k

Extinction coefficient for absorption of PAR by canopy

fullCanAge

Age at canopy closure

MaxIntcptn

Maximum proportion of rainfall evaporated from canopy

LAImaxIntcptn

LAI for maximum rainfall interception

cVPD

LAI for 50% reduction of VPD in canopy

alphaCx

Canopy quantum efficiency

Y

Ratio NPP/GPP

MinCond

Minimum canopy conductance

MaxCond

Maximum canopy conductance

LAIgcx

LAI for maximum canopy conductance

CoeffCond

Defines stomatal response to VPD

BLcond

Canopy boundary layer conductance

RGcGw

The ratio of diffusivities of CO2 and water vapour in air

D13CTissueDif

d13C difference of modelled tissue and new photosynthate

aFracDiffu

Fractionation against 13C in diffusion

bFracRubi

Enzymatic fractionation by Rubisco

fracBB0

Branch and bark fraction at age 0

fracBB1

Branch and bark fraction for mature stands

tBB

Age at which fracBB = (fracBB0+fracBB1)/2

rhoMin

Minimum basic density - for young trees

rhoMax

Maximum basic density - for older trees

tRho

Age at which rho = (rhoMin+rhoMax)/2

aH

Constant in the stem height relationship

nHB

Power of DBH in the stem height relationship

nHC

Power of competition in the stem height relationship

aV

Constant in the stem volume relationship

nVB

Power of DBH in the stem volume relationship

nVH

Power of height in the stem volume relationship

nVBH

Power of DBH^2 x height in the stem volume relationship

crownshape

Crown shape (1=cone, 2=ellipsoid, 3=half-ellipsoid, 4=rectangular)

aK

Constant in the crown diameter relationship

nKB

Power of DBH in the crown diameter relationship

nKH

Power of height in the crown diameter relationship

nKC

Power of competition in the crown diameter relationship

nKrh

Power of relative height in the crown diameter relationship

aHL

Constant in the LCL relationship

nHLB

Power of DBH in the LCL relationship

nHLL

Power of LAI in the LCL relationship

nHLC

Power of competition in the LCL relationship

nHLrh

Power of relative height in the LCL relationship

Dscale0

Constant in the relationship for Weibull scale parameter of D distribution

DscaleB

Slope of DBH in relationship for Weibull scale parameter of D distribution

Dscalerh

Slope of relative height in relationship for Weibull scale parameter of D distribution

Dscalet

Slope of age in relationship for Weibull scale parameter of D distribution

DscaleC

Slope of competition in relationship for Weibull scale parameter of D distribution

Dshape0

Constant in the relationship for Weibull shape parameter of D distribution

DshapeB

Slope of DBH in relationship for Weibull shape parameter of D distribution

Dshaperh

Slope of relative height in relationship for Weibull shape parameter of D distribution

Dshapet

Slope of age in relationship for Weibull shape parameter of D distribution

DshapeC

Slope of competition in relationship for Weibull shape parameter of D distribution

Dlocation0

Constant in the relationship for Weibull location parameter of D distribution

DlocationB

Slope of DBH in relationship for Weibull location parameter of D distribution

Dlocationrh

Slope of relative height in relationship for Weibull location parameter of D distribution

Dlocationt

Slope of age in relationship for Weibull location parameter of D distribution

DlocationC

Slope of competition in relationship for Weibull location parameter of D distribution

wsscale0

Constant in the relationship for Weibull scale parameter of ws distribution

wsscaleB

Slope of DBH in relationship for Weibull scale parameter of ws distribution

wsscalerh

Slope of relative height in relationship for Weibull scale parameter of ws distribution

wsscalet

Slope of age in relationship for Weibull scale parameter of ws distribution

wsscaleC

Slope of competition in relationship for Weibull scale parameter of ws distribution

wsshape0

Constant in the relationship for Weibull shape parameter of ws distribution

wsshapeB

Slope of DBH in relationship for Weibull shape parameter of ws distribution

wsshaperh

Slope of relative height in relationship for Weibull shape parameter of ws distribution

wsshapet

Slope of age in relationship for Weibull shape parameter of ws distribution

wsshapeC

Slope of competition in relationship for Weibull shape parameter of ws distribution

wslocation0

Constant in the relationship for Weibull location parameter of ws distribution

wslocationB

Slope of DBH in relationship for Weibull location parameter of ws distribution

wslocationrh

Slope of relative height in relationship for Weibull location parameter of ws distribution

wslocationt

Slope of age in relationship for Weibull location parameter of ws distribution

wslocationC

Slope of competition in relationship for Weibull location parameter of ws distribution

Qa

Intercept of net v. solar radiation relationship

Qb

Slope of net v. solar radiation relationship

gDM_mol

Molecular weight of dry matter

molPAR_MJ

Conversion of solar radiation to PAR

Details

Each row refers to an unique parameter set. The function get_parameters eases the use to this dataset.