物候与气候“风雨送春归,飞雪迎春到”,四时不停顿地运行。但是,这种变化并不是简单的周而复始,而每年的气候变化既是有规律又是有差异。树木对气候条件是非常敏感的,它们能够反映环境因素中极微小的变化,遇到不适宜的环境时,它们能以惊人巧妙的方式维持自身的生命。研究树木物候,主要是通过观察记载一年中树木萌芽、展叶、开花、结实和落叶休眠等现 Phenology and climate “The wind and rain send spring, flying snow to spring,” four o’clock non-stop operation. However, this change is not a simple one, and the annual climate change is both regular and different. Trees are very sensitive to climatic conditions, they can reflect very small changes in environmental factors, in an unfavorable environment, they can maintain their life in a surprisingly clever way. Studying the phenology of trees is mainly through the observation and recording of the year when the trees are sprouting, displaying leaves, blooming, fruiting and dormancy