青海江西林区森林资源动态变化分析

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2708．4hm^2，森林覆盖率增长了4．3％，森林蓄积量增加34．42×10^4m^3。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。

Analysis on Forestry Resources Dynamic Change in Jiangxi Forestry Region

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.