西藏森林资源现状分析

西藏是我国重点国有林区之一,生态战略地位极其重要。本文采用西藏森林资源清查数据,对西藏森林资源的现状进行分析,结果表明:西藏森林分布相对集中,森林储量巨大;林业用地以有林地和灌木林地为主,面积占97%以上;西藏森林目前形成以防护林为主、用材林和特用林为辅的林种格局,呈现薪炭林和经济林亟待发展的局面;无林地以宜林荒山荒地为主,面积占无林地89.84%,火烧迹地、宜林沙荒地面积分别占3.57%、6.59%;立木蓄积组成以森林为主;林分蓄积占立木总蓄积的98.76%。

Analysis on Current Situation of Forest Resources in Tibet

As one of the key state - owned forest resources, Tibet forest resources play an important role in the ecological development. The current situation of the forest resources in Tibet is analyzed based on the data of Tibet forest management inventory. The results show that the spatial distribution of the forest is relatively centralized, and the forest resourse quantity is huge;forest and shrubbery are the main forest stands, accounting for more than 95 % ;protection forest is the main forest type, timber forest and special purpose forest are lesser, and economic forest and fuel forest are exiguous; non- forested land mainly consists of barren hills and wasteland suitable for plantation establishment, which account for about 89.48 %, the burned area and desertified land account for 3.57 %, 6.59 % ;the forest accounts for 97.8-98.7% in the growing stock.