敦化县林业局所管辖的天然林,根据起源、年令阶段、树种组成、林分状况,大体可分为五种类型。即:成过熟的针阔混交林,山杨、白桦混交林,萌芽生柞树密林,柞树、臭桦复层林,萌芽生柞树疏林。根据笔者的实践结果,现将这五种类型的抚育采伐方式,分别讨论如下。 Dunhua County Bureau of Forestry under the jurisdiction of natural forests, according to the origin, the year of the stage, tree species composition, forest status, can be divided into five types. Namely: over-mature mixed coniferous and broad-leaved forest, aspen, mixed Betula platyphylla, germination of oak tree jungle, oak tree, stinkbolt stratum afforestation, sprouting oak tree sparse forest. According to the author’s practice results, now these five types of tending and logging methods, respectively, are discussed below.