关键词: 毛竹, 冰冻雪灾, 受损率, 影响因子

Abstract: The damage of frost and snow disaster to moso bamboo stands caused in Jan.2008 was studied together with the influencing factors.The investigated spots were in Huangshan county in Anhui Province where was destroyed severely by this disaster.The result showed that this frost and snow disaster had damaged the bamboo stands greatly.In all the researched moso bamboos,the ratio of damaged Phyllostachys edulis reached 45.8%,and the damaged seriously style such as rhizome-upturned,broken and cracked bamboo ratio reached 13.9% and 9.4% respectively.In the influencing factors,the biological ones:DBH and age had small relatively effects on damaged extent.For the factors of bamboo stand conditions,six factors were studied.The altitude,landform,slope direction and bamboo density had significant influence on the damaged extent and the P(T-test)had arrived to 0.008,0.000,0.045 and 0.052 respectively,and the main destroyed type were different.However,management and tree species were not significant.

Key words: Phyllostachys edulis, frost and snow disaster, damage ratio, influencing factor