摘要
为了对森林资源进行有效的保护和管理 ,对雾灵山自然保护区的森林资源现状及动态进行了研究。结果表明 ,1995年全区森林总面积为 9996 1hm2 ,其中 ,天然林 80 37 8hm2 ,人工林 195 8 9hm2 ,森林覆盖率为 76 7%。森林活立木总蓄积 792 5 71m3,针叶林 174 731m3,阔叶林 5 75 4 83m3,针阔混交林 39919m3;其中 ,幼龄林占 9 6% ,中龄林占 60 0 % ,近熟林占19 1% ,成熟林占 10 9% ,分别比 1982年增长 171 7%、 96 2 %、 169 1%、 5 6 2 %。
This paper conducts the forest resources and its dynamic in Wuling Mountain Natural Reserve THe resutts show that total area of forest is 9 996 1 hm 2 with 8 037 8 hm 2 natural forest and 1 958 9 hm 2 of artificial forest The rate of forest coverage was 76 7% in 1995, and the to tal growing stock is 792 571 m 2 with 174 731 m 3 of needle-leaved forest, 575 483 m 3 broad-leaved forest, and 39 919 m 3 mixed forest with needle-leaved and broad-leaved The trowing stocks of young group (9 6%), middle age group(60 0%),appooach mature group(19 1%),mature group(10 9%) have increased by 171 7%,96 2%,169 1% and 56 2% respectively compared with that in 1982
出处
《河北林果研究》
2001年第3期274-279,共6页
Hebei Journal of Forestry and Orchard Research
基金
河北省林业厅项目"雾灵山自然保护区植物及其群落生态学研究" (90 0 5 0 30 )的部分内容