贵州省平塘县灌木林分布特征及组成结构

Distribution Characteristics and Composition of Shrubbery in Pingtang County,Guizhou Province

为了掌握平塘县灌木林情况,通过3S技术结合贵州省第四次森林普查和第二次国土普查数据,分析了平塘县灌木林的空间特征和组成结构。结果表明:灌木林占了平塘县国土面积的23.24%,灌木林主要分布在平塘的中部、南部以及西南部,其中卡罗乡和鼠场乡灌木面积最多,分别占了国土面积的49.90%和48.41%;平塘县灌木林种以水土保持林为主,其次为薪炭林;国家特别规定灌木林地占平塘县灌木林的绝大多数;灌木林起源主要以天然林为主。另外平塘县灌木林的空间分布和组成主要受自然因素影响,尤其是喀斯特地貌,人为因素促进了平塘县植被的生长和生态环境治理。

In order to grasp the shrubbery forest situation in Pingtang county, through 3 S technology combined with second-class investigation and Guizhou forest census data, The spatial characteristics and composition of shrubbery in Pingtang county are analyzed. The results show: shrubbery covers 23.24% of Pingtang county's land area, shrubbery is mainly distributed in the middle, south and southwest of Pingtang,among them, the shrubbery in caro and rodent field are the largest. They account for 49.90% and 48.41% of the land area respectively;Shrubby forests in Pingtang county are mainly soil and water conservation forests. then there are the firewood forests;The state stipulates that the shrubbery is the majority of shrubbery in Pingtang county;Pingtang county shrubbery mainly to the natural forest. The spatial distribution and composition of shrubbery in Pingtang county is mainly influenced by natural factors, especially karst landform factor, which promotes the growth of vegetation and ecological environment treatment in Pingtang county.