基于森林功能分区的经营小班划分研究

Division of Small Management Classes Based on Forest Functional Zoning

基于湖南省慈利县二类调查数据,根据森林主导功能的差异、森林林种种类和坡度的不同,将慈利县森林划分成不同的森林功能区,并基于森林功能区按照树种的不同将其进一步划分成不同的经营小班。最后,在地理信息系统的支持下绘制出森林功能分区图和经营小班划分图。结果表明,公益林的面积多于商品林的面积,其中特殊公益林区和一般公益林区面积为1290 hm^2,限制性商品林和一般性商品林面积为1144 hm^2,马尾松和杉木是主要的经济树种。划分经营小班有利于森林的分类经营,为实现林业从传统的以木材生产为主向发挥森林的多功能、多效益的经营方式转变提供条件,进而实现森林的可持续经营,并为促进森林经营单位的可持续发展提供数据支持。

Subcompartment management is the most basic unit of forest management,which enables unified and comprehensive application of forest management measures,and provides technological means for strictly implementing forest management plans.Additionally,the division of subcompartment can enhance forest management capacity,improve economic efficiency,strengthen forest ecological construction,and provide an effective way for forest ecosystem management.Based on the forest management survey data of Cili County of Hunan Province,the forests occurring in Cili were divided into different forest function zones according to the dominant function,forest types and slope of subcompartment.Then,according to the tree species,the forest function zones were divided into different subcompartments.Finally,with the support of the GIS,the forest function map and the subcompartment maps were output.The results showed that the area of public welfare forest was higher than commercial forest,in which the area of special public welfare forest and general welfare forest was 1290 hm^2,the area of confined commercial forestand general commercial forest was 1144 hm^2.Masson pine and Chinese fir were the main economic species.The division of subcompartment was beneficial to the forest classification management.It provided conditions for the transformation of forests from traditional timber production to multi-functional and multi-effective forests to achieve sustainable forest management and provide basic data for the sustainable forest development.