Incorporating Lindenmayer systems for architectural development in a functional-structural tree model
نویسندگان
چکیده
LIGNUM is a functional-structural tree model that represents coniferous and broad-leaved trees with modelling units corresponding to the real structure of trees. The units are tree segments, axes, branching points and buds. Metabolic processes are explicitly related to the structural units in which they take place. This paper enhances the modelling capabilities of LIGNUM with the possibility to formally describe the architectural development of trees with Lindenmayer systems. This is achieved by presenting an algorithm to convert tree structures generated by Lindenmayer systems to the LIGNUM representation of trees with feedback of results of events or processes from LIGNUM to Lindenmayer system. We then give two example applications that model the development of Scots pine (Pinus sylvestris L.) and the dwarf shrub bearberry (Arctostaphylos uva-ursi L.). Finally we discuss our approach and its consequences for the future development of LIGNUM. ©
منابع مشابه
Extension of a single tree functional-structural model to stand level
The functional-structural tree model LIGNUM (Perttunen et al., 1996; Perttunen and Sievänen, 2005) has been originally constructed to be applied to single trees. The above ground part of the coniferous and the deciduous trees is modeled with structural units. They are tree segment, branching point and bud. So far the root system is represented with a single variable denoting its mass. LIGNUM co...
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