【作者】 王小明； 曹永慧； 周本智； 李正才；

【Author】 WANG Xiaoming,CAOYonghui,ZHOU Benzhi,LI Zhengcai (Research institute of subtropical forestry,CAF,Fuyang 311400,Zhejiang,China)

【机构】 中国林科院亚热带林业研究所；

【摘要】 根据2008年初雨雪冰冻灾害对江西大岗山不同海拔高度毛竹林受灾样地调查资料,对毛竹林凋落物现存量进行了为期一年的定位观测研究。结果表明:冰雪灾害后低海拔下毛竹林一年凋落物累积量高达1636.6 kg/hm~2,是高海拔毛竹林一年凋落物累积量的1.47倍。低海拔下毛竹林的第一高峰值出现在4-5月,而高海拔毛竹林则出现在5-6月;低海拔下毛竹林第一高峰值占全年贮量的45.59%,高于高海拔的32.6%。低海拔下毛竹林凋落物春季贮量最高(53.8%),且月际间的波动幅度小于高海拔毛竹林波动幅度。更多还原

【Abstract】 Based on the survey data of the bamboo forest damaged by the frozen rain and snow at the plots in Dagangshan,Jiangxi Province in early 2008,2008.The existing falling biomass at different altitudes were investigated.The result showed that,litter accumulation was up to 1636.6 kg/hm~2,in low altitude,which was 1.47 times than that in high altitude.The first peak appears in the April-May in low altitude while in the May-June in high altitude.In low altitude,the storage of the first peak accounted for 45.59%of the year,which was higher than that(32.6%) in high altitude.The storage of litter was maximum in the spring(53.8%),and the inter-month fluctuations were lower than that in high altitude.更多还原