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光是影响树木生长的重要环境因子。模拟光对树木生长的影响,可以用于虚拟林业生产及模拟生态环境变化的试验,这对林业和景观的发展研究、对林业、景观和土地等资源的利用和环境建设都有着重要的指导意义。本文首先介绍了理想环境条件下的主要的数字植物生长模型,并在此基础上,引出了考虑光照影响的植物生长模型。这些模型根据模拟现象的不同,可分为两类:第一类模型模拟的是光照对树枝生长方向及树芽存活概率的影响;而第二类是近几年才开展,现在正蓬勃发展的可用于模拟光照对树木光合作用影响的植物生长模型。本文按时间顺序,分别介绍了两类模型中的突出工作和技术成果,并分析了它们的优缺点,最后对这一研究课题的进一步的发展趋势进行了讨论。
Light is an important environmental factor that affects the growth of trees. The effect of simulated light on the growth of trees can be used in experiments of virtual forestry production and simulation of ecological environment changes. This research on the development of forestry and landscape has an important guiding significance for the utilization of forestry, landscape and land resources and environmental construction . This paper first introduces the main digital plant growth model under ideal environmental conditions, and on this basis, leads to a plant growth model considering the impact of light. These models can be divided into two categories according to the simulation phenomenon: the first model simulates the influence of light on the growth direction of branch and the probability of survival of tree buds; the second type is only carried out in recent years and is now booming Plant growth model that can be used to simulate the effects of light on the photosynthesis of trees. This paper introduces the outstanding work and technical achievements in two kinds of models in chronological order, and analyzes their advantages and disadvantages. Finally, the further development trend of this research topic is discussed.