基于SBE法的杉木风景游憩林的评价及经营技术  

Evaluation and management techniques of scenic recreational forest of Cunninghamia lanceolata based on SBE

作　　者：梅光义[1] 孙玉军[1] 

机构地区：[1]北京林业大学,北京100083

出　　处：《中南林业科技大学学报》2012年第8期28-32,共5页Journal of Central South University of Forestry & Technology

基　　金：林业公益性行业科研专项经费"基于林改的森林多功能经营技术研究与示范"(编号:200904003-1)

摘　　要：采用SBE法对福建将乐国有林场杉木风景游憩林进行评价,应用数量化理论I建立美景度与各林分类目之间的评价模型,并根据评价模型分析出定量化的改造措施。研究结果表明,可以通过定量化的针阔混交、清理枯枝、修枝、割灌和间伐等改造措施提高风景游憩林的景观质量,将杉木林分改造成活立木上无枯枝、株数密度800株/hm2、郁闭度0.8、第一活枝高5 m、林下不统一的高质量风景游憩林。根据冠幅与胸径回归方程得出:胸径23 cm、郁闭度0.8、株数密度800株/hm2时美景度最高。据此结论,间伐胸径>23 cm的树,积极培育胸径23 cm、株数密度800株/hm2的高质量杉木风景游憩林,其美景度值超过65.20。The scenic recreational forest of Cunninghamia lanceolata in the state-owned Jiangle forest farm in Fujian province was evaluated based On SBE. The evaluation model among scenic beauty and stand categories was set up by using quantification theory type I, and based on the model, the quantitative modification measures for the C. lanceolata stand were put forward. The results show that the landscape quality of the scenic recreational forest of C. lanceolata was improved through the quantitative modification measures of mixing needle and broad-leaved forest, cleaning dead branches, pruning branches, cutting shrubs, thinning etc. The stand became a high quality scenic recreational forest in state of best forest density about 800 stems/hm2, canopy derisity about 0.8, height of alive branches about 5 meters, undergrowths being disunity and without dead branches. According to the regression equation of crown diameter and DBH, when the canopy density was 0.8, the forest density about 800 trees/hm2 and the stand DBH was 23 cm, the scenic beauty of the stand was the maxmam, so all three indexes bigger than the calculated values, the best landscape score can reach to 65.20.

关 键 词：杉木 风景游憩林 SBE 改造技术 林分密度 

分 类 号：S750[农业科学—森林经理学] S718.557[农业科学—林学]