文档介绍：摘要摘要当前,国际社会对自然与环境的呼声越来越高,对森林的需求己不仅仅局限于木材上,而是同时强调其生态作用和综合效益。而目前我国森林资源分布格局仍以中幼龄林为主,一方面林分结构单一的问题仍未得到彻底解决,另一方面森林抚育工作长期严重滞后导致森林资源质量较低,森林抚育的效益低下。因此,以提高森林质量和林地生产力为基本目标的森林抚育成为转变林业发展方式的重要手段之一。森林抚育也不再单纯以经济效益作为主体目标,更追求以经济、生态和社会效益共同为主体的多目标森林抚育经营。吉林省森工林区是我国的重点国有林区之一,其作为林业资源型区域依然面临着资源瓶颈的问题。森林抚育作为解决这一矛盾的有效措施得到了广泛地关注,其所能实现的生态、经济及社会效益显著。因此,在国家大力开展森林抚育工作之际,定性与定量相结合对吉林省森工林区森林抚育的生态、经济和社会效益进行综合评价,是衡量森工林区森林抚育实施的合理性、科学性的重要途径,也是继续深化开展森林抚育、促进森林抚育理论与实践走向成熟化的重要依据。本文以吉林省森工林区为研究对象,通过对森工林区森林资源及抚育情况进行实地调研,初步对森工林区资源及抚育情况进行分析。在此基础上,借助森林抚育相关基础理论及研究成果,构建指标体系并运用模糊综合评价法对森T林区“十一五”期间的森林抚育效益进行评价,从而得出森工林区“十一五”期间森林抚育效益的具体评价值。根据定性与定量相结合的评价结论,结合森工林区“十二五”期间森林抚育的总体规划,进一步分析预测森林抚育未来的生态、经济及社会效益,并总结提出进一步改善森工林区森林抚育实践的具体建议,以期为森工林区“十二五”期间更好地进行森林抚育提供参考,同时,进一步丰富森林抚育效益评价相关研究,也为其他林区森林抚育综合效益的评价提供一定的借鉴和依据。关键词:吉林省;森工林区;森林抚育;综合效益;评价 Abstract Abstract Nowadays,the munity was concerned increasingly about the nature and show theirdemand fortheforesthas notlimitedinthewood,but also to stress theirecological prehensive ,the distribution pattem of forest resources inChina isstillmainly intheyoung forest,for one hand,the problem of a single structure of theforesthave not pletely solved, otherhand,the work of care ofwoods haslonglagged farbehind,which led tothelow quality intheforest resources aswell astheeffectiveness ,to improve forestquality and forest productivity are seen asthebasic goal oftheforesttending,which isthe one ofimportant method tochange theway totheforestis no longer make the pure economic interests as the main goal,but to pursuit the multi—aimed foresttending operations,including economic benefits,ecological benefitsandsocialbenefits. JilinForest Industry is one ofthekey national forest areas ,forest areas are stillfaces resource tending aseffectivemeasures toresolve thiscontradiction hasbeen extensively attentioned,and theecological,economic and socialbenefitthough fo