ControlTable Treatment Model

In the treatment model control table you can configure how forest management treatments are simulated.

Regeneration - model

Allows you to control how forest regenerations are simulated, regarding planting, natural regeneration using seed trees, and sowing.

RegenerationModelType

Simulation generates the new forest by simulation.

Database generates the new forest by imputation of plot data from a database.

Regeneration - settings

DeterministicSimulation

True applies deterministic regeneration model components, False do not.

[Is this really applicable in Database as RegenerationModelType?]

HeightTargetRegenerationModels

Defines the arithmetic mean height in meters at stand-level[?] when trees are initiated instead of saplings[?], for natural regeneration, sowing, spruce plantation, pine plantation, and contorta plantation, respectively.

NumberOfSeedTrees (only if Database is selected)

Defines the number of seed trees per hectare applied in natural regeneration.

RegenerationSettings

Defines the number of seedlings per hectare applied in plantation (or in sowing, or in natural regeneration using seed trees, respectively) following soil scarification (or controlled burning, or no preparation, respectively), regarding the site index at plot-level[?].

RegenerationYear

Defines the number of years from time of final felling to time of regeneration applied in simulations of planting and sowing[?].

SoilPreparationYear

Defines the number of years before regeneration when soil scarification is simulated.

Cleaning - model

Allows you to control how cleanings, a.k.a. pre-commercial thinnings, are simulated.

CleaningModelType

HeurekaCleaning defines one model of tree removal, actually cutting of saplings, in the cleaning simulations.

HuginCleaning defines another model of tree removal, almost as accurate as the above, in the cleaning simulations.

DeterministicCleaning

True applies deterministic cleaning model components, False do not.

Cleaning - settings

CleaningDeciduous

Alfa and Beta are coefficients in function calculating the priority factor of deciduous tree species. Deciduous trees, i.e. all broadleaves, will then be removed[or retained?] in cleanings prior to coniferuous trees.

CleaningPine

Alfa and Beta are coefficients in function calculating the priority factor of pine trees. Pines, i.e. Pinus sylvestris, will then be removed[or retained?] in cleanings prior to deciduous and other coniferuous trees.

CleaningSpruce

Alfa and Beta are coefficients in function calculating the priority factor of spruce trees. Spruces, i.e. Picea abies, will then be removed[or retained?] in cleanings prior to deciduous and other coniferuous trees.

[How should the user select the above coefficients?]

MeanHeightCleaning

Min defines the minimum arithmetic mean height in meters at stand-level when cleaning is simulated.

Max defines the maximum arithmetic mean height in meters at stand-level when cleaning is simulated.

MinStemsCleaned

Defines the minimum number of stems per hectare to be cut in cleanings. No cuttings will be simulated if less stems are available in next cleaning.

Fertilization

Allows you to control how fertilizations are simulated.

FertilizerAmount

Defines the amount of fertilizer in kilogram per hectare used in the simulations.

FertilizerSubstance

AN defines that ammonium nitrate is the active substance in fertilizations.

UREA defines that urea, i.e. ammoniac[?], is the active substance in fertilizations.

MaxAnnualGrowth

Defines the maximum annual growth, in m³sk/ha, if fertilization of the stand is to be simulated.

MeanHeightLimitFertilization

Defines the minimum average height (basal area weighted) in meters if fertilization of the stand is to be simulated.

MinConiferProportion

Defines the minimum proportion of conifers, in percentage of basal area, if fertilization of the stand is to be simulated.

SiteIndex

Min defines the minimum site index value in meters if fertilization of the stand is to be simulated.

Max defines the maximum site index value in meters if fertilization of the stand is to be simulated.

Intensive Fertilization

HeightIntensiveFertilization

Min defines the minimum average height in meters if fertilization is to be initiated in the young stand.

Max defines the maximum average height in meters if fertilization is to be initiated in the young stand.

MinSpruceProportionIntensiveFertilization

Defines the minimum proportion of spruce, in percentage of basal area, if fertilization is to be initiated in the young stand.

MinStemsIntensiveFertilization

Defines the minimum number of stems per hectare if fertilization is to be initiated in the young stand.

Thinning - model

Allows...

ThinningModelType

Hugin

LOEriksson

Thinning - settings

BasalAreaCalculatorCoefficients

Pine

Spruce

Deciduous

DistanceBetweenStripRoads

HarvestStriproads

True , False do not.

MaxThinningIntensity

MinDiameterThinning

RelativeDiameter (only if LOEriksson is selected)

First

Second

StripRoadWidth

ThinningControlParameter (only if Hugin is selected)

ParamDeciduousConifer

ParamSprucePine

ParamThinThick

ParamWithinThin

ParamWithinThick

ThinningType

NotSpecified

StripRoad

StripRoadMidFieldMachine

StripRoadMidFieldChainsaw

Tolerance (only if LOEriksson is selected)

UMax (only if LOEriksson is selected)

UMin (only if LOEriksson is selected)

VaryThinningIntensity

True , False do not.

Final felling

Allows...

MinDiameterFinalFelling

TypeOfFinalFelling

Ordinary

SeedTree

Shelterwood

Selection felling (only if Hugin is selected as thinning model)

Allows...

SelectionControlParameter

ParamDeciduousConifer

ParamSprucePine

ParamThinThick

ParamWithinThin

ParamWithinThick

Forest fuel

Allows...

Restrictions

MinSpruce

MaxDiamStump

MinDiamStump

Utilization

Top

BranchesNotTop

BranchesTop

DeadBranchesNotTop

DeadBranchesTop

NeedlesTop

NeedlesNotTop

Stump