草本植物物候及其物候模拟模型的研究进展  

Research Advances in Herbage Plant Phenology and Phenological Model of Grassland

作　　者：符瑜[1,2] 潘学标[1] 

机构地区：[1]中国农业大学资源与环境学院气象系,北京100193 [2]中国科学院大气物理研究所/大气边界层物理和大气化学国家重点实验室,北京100029

出　　处：《中国农业气象》2011年第3期319-325,共7页Chinese Journal of Agrometeorology

基　　金：国家自然科学基金项目(41075084);国家科技支撑计划重大项目(2007BAC03A02);公益性行业(气象)科研专项经费项目[GY-HY(QX)20070624];ACCC自然影响评估项目

摘　　要：草地生态系统在全球变化过程中具有不容忽视的作用。为深入了解草本植物物候与气候因素间的相互作用机制,建立精确的草地植被物候动态模型,更好地模拟和预测天然草地生态系统对气候变化的响应,本文对国内外草本植物物候及有关草本植物物候模型研究进行了回顾。已有的研究表明物候变化能在一定程度上反映出气候变化的趋势,且温度、光照和水分等环境因素作为物候的主要驱动力在不同的时期发挥着重要的作用。植物物候模型从简单统计模型,逐渐向可描述生长与环境相互作用过程的动态机理模型发展。但可用于天然草地植被物候模拟的模型较少,仍存在物种单一、适用范围小、缺少机理性研究等问题。针对目前的研究现状,只有加强对天然草地植被物候与非生物因子关系的分析,特别是水分对物候的影响研究,努力探索各个物候期的生理特征,不断验证完善已有物候模型,才能建立起精确的草地植被物候模型服务于全球气候变化的研究。Grassland ecosystems are unassailable associated with global change.In this paper we summarized the research advances in herbage plant phenology and phenological model of grassland.We searched many literatures and found that the changes of plant phenology could reflect some effects of climate change directly.The environmental driving factors such as temperature,light and water would have different effects in controlling the progress of phenology.The development of plant phenological model had strong trends toward dynamic phenological model based on plant development mechanism from statistical model in the beginning.However,less was known about natural grassland phenological model.Some existing phenological models only could be used for specific species simulation,some couldn′t be used for large-scale region,and the others were lack of description in development progress.Because of these problems we should enhance the research about the relationship between plant phenology and climate factors,especially water effect.We should explore all the characteristic of grass in every phenology stage and verify the phenological model step by step.An accurate natural grassland phenological model will be benefit for the study of climate change.

关 键 词：物候 物候模型 天然草地 气候变化 

分 类 号：Q948[生物学—植物学] S16[农业科学—农业气象学]