武夷山槠栲林光照、温度和湿度与林隙结构及年龄的回归分析

对武夷山天然槠栲林光照、温度和湿度与林隙结构和年龄的关系进行了回归分析。结果表明：光照、温度及湿度指数均与林隙面积关系不密切；光照指数、温度指数均与1．5m以上植物种密度、平均高和优势度，均与每个林隙的边界木优势度和平均高、单位边界木优势度及林隙年龄都存在显著或极显著负相关关系；湿度指数与1．5m以上植物种密度、平均高和优势度，与每个林隙的边界木优势度和平均高、单位边界木优势度和林隙年龄都存在显著或极显著正相关关系。随着林隙年龄的增大和结构特征的改变，光照指数和温度指数下降，而湿度指数却上升。应根据不同年龄林隙的环境特征进行森林经营。

Regression analysis of gap structures and gap ages on light,temperature and humidity in Castanopsis spach stand in Wuyi Mountain

Regression analysis of gap structures and gap ages on light,temperature and humidity in the natural Castanopsis spach stand in Wuyi Mountain was discussed in this paper.Regression analysis showed that light index or temperature index or humidity index were not significantly correlated with gap area,light index or temperature index were both significantly negatively or outstandingly significantly negatively corrected with density or mean height or dominance of species above 1.5 meter,with dominance or mean height of border trees,with dominance of border trees per hectare,with gap ages,humidity index were significantly positively or outstandingly significantly positively corrected with density or mean height or dominance of species above 1.5 meter,with dominance or mean height of border trees,with dominance of border trees per hectare,with gap ages.With gap age increasing and characteristics of gap structure changing,light index and temperature index were decreased with the gap development,but the humidity index was increased with the gap development.Forest management should based on the environment characteristics of different gap ages.