浙江省竹类资源丰富,竹产业发达,是全国重点产竹省。2008年初特大雨雪冰冻灾害致使该省竹林遭受重创,受灾面积52万hm2,占竹林总面积的66.4%;直接经济损失36亿元,占林业总损失的37.7%。在介绍南方雨雪冰冻灾害成因的基础上,首先评估了竹林受灾、民生问题、生态功能、次生灾害等4方面的灾害影响;其次,从海拔、混交林和纯林、年龄结构、毛竹钩梢、林地垦抚和使用除草剂、坡度和生长位置等方面分析了竹林受灾原因;最后提出了6项灾害预防对策。
Zhejiang Province is rich in bamboo resources,and it’s bamboo industry is developed.It is a key bamboo—producing province in China.The sleet and snow disaster made this province's bamboo forest suffer heavy losses at the beginning of the year 2008,with the affected area covering 520 thousand hm2,which accounts for 66.4% of the bamboo forest’s total area ;Direct economic losses reach 3.6 billion yuan,occupying 37.7% of the forestry total losses. On the basis of th analysis on the sleet and snow disaster,the affected bamboo forest,people's life,ecological functions,secondary disaster are assessed;Secondly,analysis is also made on the disaster affects from the aspects of the elevation,the mixed forest and the pure forest,the age structure of bamboo forest,hooked top of bamboo trees,the forest land cultivation and use of herbicide,gradients and locations,etc.Finally disaster prevetion countermeasures are put forward.
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