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Silva Fennica 1926-1997
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Articles containing the keyword 'tree structure'

Category : Article

article id 5626, category Article
Winfried Kurth, Branislav Sloboda. (1997). Growth grammars simulating trees – an extension of L-systems incorporating local variables and sensitivity. Silva Fennica vol. 31 no. 3 article id 5626. https://doi.org/10.14214/sf.a8527
Keywords: tree growth; competition; allocation; morphology; tree architecture; L-systems; sensitivity; tree structure
Abstract | View details | Full text in PDF | Author Info

The rule-based formal language of "stochastic sensitive growth grammars" was designed to describe algorithmically the changing morphology of forest trees during their lifetime under the impact of endogenous and exogenous factors, and to generate 3-D simulations of tree structures in a systematic manner. The description in the form of grammars allows the precise specification of structural models with functional components. These grammars (extended L-systems) can be interpreted by the software GROGRA (Growth grammar interpreter) yielding time series of attributed 3-D structures representing plants. With some recent extensions of the growth-grammar language (sensitive functions, local variables) it is possible to model environmental control of shoot growth and some simple allocation strategies, and to obtain typical competition effects in tree stands qualitatively in the model.

  • Kurth, E-mail: wk@mm.unknown (email)
  • Sloboda, E-mail: bs@mm.unknown

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Jansons Ā., Zeps M. et al. (2014) Height increment of hybrid aspen Populus trem.. Silva Fennica vol. 48 no. 5 article id 1124 (remove) | Edit comment
Kärenlampi L., Friedland A. J. (1988) Cytopathological and external observations on re.. Silva Fennica vol. 22 no. 3 article id 5358 (remove) | Edit comment
Virtanen T., Neuvonen S. et al. (1996) Climate change and the risks of Neodiprion serti.. Silva Fennica vol. 30 no. 2–3 article id 5584 (remove) | Edit comment
Ojansuu R., Henttonen H. (1983) Estimation of the local values of monthly mean t.. Silva Fennica vol. 17 no. 2 article id 5183 (remove) | Edit comment
Saastamoinen O., (1977) Economics of forest uses in Finnish Lapland. Silva Fennica vol. 11 no. 3 article id 4973 (remove) | Edit comment
Kangas A., Maltamo M. (2002) Anticipating the variance of predicted stand vol.. Silva Fennica vol. 36 no. 4 article id 522 (remove) | Edit comment
Viherä-Aarnio A., Velling P. (1999) Growth and stem quality of mature birches in a c.. Silva Fennica vol. 33 no. 3 article id 659 (remove) | Edit comment
Edlund J., Warensjö M. (2005) Repeatability in automatic sorting of curved Nor.. Silva Fennica vol. 39 no. 2 article id 388 (remove) | Edit comment
Finnish Society of Forest Science ., (1991) A seminar on development of forest scientific pu.. Silva Fennica vol. 25 no. 1 article id 5439 (remove) | Edit comment
Solberg B., (1986) Forest sector simulation models as methodologica.. Silva Fennica vol. 20 no. 4 article id 5301 (remove) | Edit comment
Kuusela K., (1960) Volume and increment calculation of a sample plo.. Acta Forestalia Fennica vol. 71 no. 6 article id 7115 (remove) | Edit comment
Finnish Society of Forest Science ., (1929) Professor A. K. Cajander’s fiftieth birthday Acta Forestalia Fennica vol. 34 no. I article id 7213 (remove) | Edit comment
Finnish Society of Forest Science ., (1991) Instructions to authors. Silva Fennica vol. 25 no. 1 article id 5440 (remove) | Edit comment
Hakkila P., (1975) The status and future prospects of forest work s.. Silva Fennica vol. 9 no. 4 article id 4928 (remove) | Edit comment
Jacobson S., Pettersson F. (2010) An assessment of different fertilization regimes.. Silva Fennica vol. 44 no. 5 article id 123 (remove) | Edit comment