1. General Model Information

Name: FORest COMmunity model

Acronym: FORCOM

Main medium: terrestrial
Main subject: forestry, biogeochemistry
Organization level: population, ecosystem
Type of model: not specified
Main application: decision support/expert system
Keywords: tree, shrub, light competition, root competition, gap model


Michael Korzukhin
Current address unknown, sorry!


Michael Korzukhin


FORCOM is a plant population model describing dynamics using a gap model approach. Plants, mainly trees and grass or shrub, compete to light as well as within the root zone.
Plants are described by their total biomass, all other characteristica are related allometrically. Growth follows the law of conservation of matter, i.e. is result of gains through photosynthesis and losses through respiration and decay. Plant crowns are modelled as one-dimensional leaf layers.
Light competition is modelled using either distance-dependent or independent empirical relationships.
For root competition an empirical approach of Oja is used, reducing assimilation by a factor dependent on available soil resources.
FORCOM is mainly used for application at the forest stand level.

Author of Abstract:M. Sonntag

II. Technical Information

II.1 Executables:

Operating System(s):

II.2 Source-code:

Programming Language(s): Available on request from author Pascal

II.3 Manuals:

II.4 Data:

III. Mathematical Information

III.1 Mathematics

III.2 Quantities

III.2.1 Input

III.2.2 Output

IV. References

Korzukhin, M.D. 1991.
FORCOM: Tree-grass community model on the base of generalized gap model approach. Harvard University, Harvard Forest, Petersham, MA. 01366. pp. 129.


V. Further information in the World-Wide-Web

VI. Additional remarks

Last review of this document by: M. Sonntag : October, 18th 1997

Status of the document:
last modified by Tobias Gabele Wed Aug 21 21:44:43 CEST 2002

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