摘要
本文就江西林区森林面积及森林蓄积量的动态变化调查分析表明:在1992—2005年间,森林面积增加了2708.4 hm2,森林覆盖率增长了4.3%,森林蓄积量增加34.42×104m3。目前由于天然林各龄组之间的自然递进,导致近成过熟林面积蓄积增大,应加强幼、中龄林的抚育,调整龄级结构,使其发挥森林的最大效益。
The survey on forestry area and volume dynamic change in Jiangxi forestry farm were conducted, the results showed that :forestry area,forestry coverage and forestry volume increased 2708.4 ha, 4.3% and 34.42 × 10^4m^3 respectively,because of area and volume of mature and over-mature stands all increased,the tending of young and middle age stands should be strengthened, restructuring age class structure in order to getting maximum benefit of forestry.
出处
《青海农林科技》
2009年第3期71-73,共3页
Science and Technology of Qinghai Agriculture and Forestry
关键词
森林资源
动态变化
蓄积量
江西林区
Forestry resources
Dynamic change
Forestry volume
Jiangxi forest region