2种早春植物物候与小气候关系研究  

A Study on Relationship between Microclimate and Phenology of Two Species of Early-Spring Plant

作　　者：李晴[1] 宋锦锦[1] 邹春静[1] 

机构地区：[1]华东师范大学生命科学学院,上海市城市化生态过程与生态恢复重点实验室

出　　处：《上海环境科学》2010年第4期148-152,共5页Shanghai Environmental Sciences

基　　金：上海市科学技术委员会攀登项目,编号:06DZ12303;国家自然科学基金资助项目,编号:30670315

摘　　要：早春植物是植物群落中能高效利用环境资源的独特类群，文章取了3个不同小气候的样方，通过对样方内的2种早春植物物候期的观察记录，分析不同小气候下的温度、湿度、照度对早春植物物候的影响。主成分分析表明．在早春植物的不同生长阶段以不同的气候因子为主要的环境因子，在发芽阶段，湿度为主要影响早春植物发芽早晚的环境因子；植物的展叶、开花和结果阶段，光照和温度为主要影响早春植物的展叶，开花和结果早晚的环境因子。The early-spring plant is a group of special plant cluster in plant community that can use the environmental resources in a highly active way. In three dissimilar microclimate quadrats, two species of early- spring plant were observed and recorded in the phenological periods to analyse the effects of temperature, degree of humidity and illuminance on their growth. The analysis of principal components has indicated that different weather factors performed a function of dominant environmental ones at different growing stages of early-spring plant. Humidity was the main environmental factor at the germinating stage to play a major role in the germination earlier or later, however, temperature and illuminance were the main factors at the efflorescing and fructifying stages to influence the efflorescence and fructification earlier or later.

关 键 词：早春植物 小气候 物候 

分 类 号：S792.990.3[农业科学—林木遗传育种]