classification of the models

Classification of the modelsClassification of the models

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At At genesisgenesis of forest mode of forest modellling ling the three the three WisemenWisemen have operated : have operated :The first has been calledThe first has been calledBIOLOGISTBIOLOGIST

and searched for answer to:and searched for answer to:„„Why tree organs growth?“Why tree organs growth?“

He gave to world:He gave to world:algorithm of photosynthesisalgorithm of photosynthesis

Gift has been acceptedGift has been acceptedin disciplines:in disciplines:bioclimatology,bioclimatology,ecopedology,ecopedology,plant physiologyplant physiology

Process-based modelsProcess-based modelshave been established.have been established.

The second has been calledThe second has been calledMATHEMATICIANMATHEMATICIAN

and searched for answer to:and searched for answer to:„„How the tree is formed inHow the tree is formed in space ?“space ?“

He gave to world:He gave to world:fractalfractal

Gift has been acceptedGift has been acceptedin disciplines :in disciplines :formal grammar,formal grammar,fractal geometry,fractal geometry,computer graphicscomputer graphics

Structural modelsStructural modelshave been established.have been established.

The third has been calledThe third has been calledFORESTERFORESTER

and searched for answer to:and searched for answer to:„„What benefit is producedWhat benefit is produced by forest?“by forest?“

He gave to world:He gave to world:regression equationregression equation

Gift has been acceptedGift has been acceptedin disciplines :in disciplines :biometry,biometry,forest mensuration,forest mensuration,forest yield scienceforest yield science

Empirical modelsEmpirical modelshave been established.have been established.

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1 2 3

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ChessboardChessboardof the modelsof the models

‘‘But nothing is so easy in the storyBut nothing is so easy in the storyas looks at its beginning’as looks at its beginning’

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(1) static vegetation models (biome models),(2) eco-physiological tree models,(3) functional-structural tree models,(4) empirical distance-dependent tree models,(5) empirical distance-independent tree models,(6) tree patch or gap models,(7) frequency patch or gap models,(8) frequency population models,(9) population and species models,(10) models of functional types,(11) models of the dynamic of patch or gap groups,(12) "big leaf" eco-physiological models,(13) eco-physiological models of the average tree.

BALANCE

GroIMP

SIBYLA

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Some other frequent types:Some other frequent types:

Biome modelBiome model

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Some other frequent types:Some other frequent types:

Gap modelGap model

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Some other frequent types:Some other frequent types:

Big leaf modelBig leaf model

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second day year decade century millennium

cell

organ

organism

population

community

biomespatial level

time level

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Upscale and downscaleUpscale and downscale

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biometrical growth morphological growth

SIBYLA GroIMP

StructuralStructuraldownscaledownscaleSIBYLA - GroIMPSIBYLA - GroIMP

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StructuralStructuraldownscaledownscaleSIBYLA - GroIMPSIBYLA - GroIMP

remote sensing

aeriallaser scanning

terrain measurements

terrestriallaser skanning

forest models

geographicinformation systems

knowledge-based and

expertsystems

databasesystems

high-performancecomputing

virtual reality strategic games internet

spatialdecision-supportsystems MSFM

AFM

PR

Computer Aided Forest Modelling

Computer Aided Forest Modelling

Forest Ecosystem AnalysisAnd Modelling

Forest Ecosystem AnalysisAnd Modelling