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新疆地处祖国大西北、欧亚大陆的中心,气候条件独特而复杂,全疆性的低于-24℃的冻害7—9年一遇,低于-26℃的冻害10年一遇.冻害对林木威胁很大.1984年12月中、下旬,新疆出现10年一遇的冷冬天气,玛纳斯气温降至-37.4℃,阿克苏降至-23.2℃,致使多种林木遭受冻害.1985年4—6月,我们对全疆十个市(县)的林木冻害进行了调查,记载了40个树种的冻害情况,现将调查情况总结如下.
Xinjiang is located in the center of the motherland’s major northwestern and Eurasian continents with unique and complicated climatic conditions. The frost damage of less than -24 ℃ in Xinjiang is once every 7-9 years and frost damage of -26 ℃ is less than 10 years. Threatening forest trees. In mid-to-late December 1984, Xinjiang experienced a 10-year cold winter weather, Manas temperature dropped to -37.4 ℃, Aksu dropped to -23.2 ℃, resulting in a variety of trees suffered frost damage .1985 From April to June of the same year, we conducted a survey of tree frost damage in 10 cities (counties) in Xinjiang and recorded the frost damage of 40 tree species. The investigation is summarized as follows.