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作 者 ：马友鑫 张克映 刘玉洪

期 刊 ：林业科学 1996年 32卷 3期 页码：193-198

关键词：橡胶林；冠面温度；环境因子；

Keywords:Rubber forest, Canopy surface temperature, Environmental factors,

摘 要 ：根据红外测温法和小气候观测,研究了云南西南季风区(景洪、瑞丽)橡胶林冠面温度(T_c)基本特征及其与林冠上方1.5m处气温(T_a)的差异(△T=T_c-T_a)。结果表明:在09—18时橡胶林冠具有加热作用,T_c较T_a平均高5—6℃;强光、干燥的午后(14—15时)则达9—11℃;在最低温度出现时,T_c与T_a差异不显著。还详细讨论了其它环境因子对T_c或△T的影响,指出本区较高T_c有利于橡胶树安全越冬。（注：△为增量符号）

Abstract:Field studies were conducted respectively in Jinghong and Ruili of the southwest monsoon region of Yunnan Province to investigate the principal characteristics of canopy surface temperature (T_c) of rubber forest and their deviation (△T=T_c-T_a) from air temperature (T_a) at 1. 5m higher above the canopy surface by means of an infrared thermometer and microclimatic observations in January of 1991 and 1992. The results showed that the rubber forest canopy appeared a heating effect during the 9:00-18: 00h period with an average of 5-6℃ higher for T_c than for T_a This difference reached 9-11℃ in the afternoon with strong insolation and dry weather. Influences of other environmental factors on T_c or △T were also discussed in detail.It was indicated that a higher T_c was advantageous to the safe overwintering for rubber trees in this region.（注：△为增量符号）

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