云南观音山国家级森林公园森林资源现状分析

Analysis of Forest Resources in Guanyinshan National Forest Park of Yunnan Province

为充分掌握云南观音山国家级森林公园的森林资源现状,为其森林资源保护与利用提供参考依据,对森林公园林地“一张图”数据进行了分析。结果表明:观音山森林公园森林资源丰富,森林覆盖率高达82.7%;地类以林地为主,林地面积占公园总面积的93.6%;林地主要为有林地,面积占比82.7%;森林以天然起源为主,人工起源为辅;优势树种主要为桤木,面积占比为42.7%,其次为云南松,面积占比23.2%,再次为华山松和栎类,面积占比分别为17.3%和9.0%;森林蓄积量较大,优势树种中以桤木、云南松和华山松的蓄积量相对较高;龄组以中龄林和成熟林为主,幼龄林较少;森林类别以国家级重点公益林为主,也有部分商品林;林种主要为水土保持林,其次为一般用材林,薪炭林和果树林较少。

In order to understand the current situation of forest resources in Guanyinshan National Forest Park of Yunnan Province,and provide references for protection and utilization of the forest resources in the forest park,the data of"one map"of forest land in forest park was analyzed.The results showed that:The forest park have abundant forest resources and it's forest coverage rate reaches to 82.7%;The woodland area accounts for 93.6%in total area of the forest park,and forest land is the dominant style in all woodland type;The origin of forest is mainly natural,supplement by artificial origin;The dominant tree species are Alnus cremastogyne(42.7%),follow by Pinus yunnanensis(23.2%),and the second are Pinus armandii and oak(17.3%and 9.0%);Forest growing stock of the forest park is large and the stock of Alnus cremastogyne,Pinus yunnanensis and Pinus armandii are relatively high;The middle-aged forest and the mature forest are dominant in all age groups of the forest park,but the area proportion of young forest is very small;The forest mainly belong to national commonweal forest,and forest species is mainly water and soil conservation forest.