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寨子山林区已不存在原始森林,现有森林为天然次生林和人工林。林区植被划分为4个植被型、10个群系。暖性针叶林有马尾松林、杉木林、台湾松林、湿地松林;落叶林有栓皮栎林、化香林;针阔混交林有马尾松—栓皮栎林、马尾松—化香林;灌丛有映山红—酸枣灌丛、牡荆灌丛。林区植被垂直分布不明显,各植被类型呈镶嵌分布,形成较稳定的森林植被体系。
Zhaizi Mountain Forest no longer exists in the original forest, the existing forest is a natural secondary forest and plantation. Forest vegetation is divided into four vegetation types, 10 flocks. Pinus massoniana forest, fir forest, Taiwan pine forest, wetland pine forest; deciduous forest Quercus variabilis forest, fossil forest; coniferous and broad-leaved mixed forest Pinus massoniana - cork oak forest, massoniana - Habitat forest; Shrub with azalea - jujube shrub, Vitex shrubs. The vertical distribution of vegetation in the forest area is not obvious, and the vegetation types are inlaid and distributed to form a relatively stable forest vegetation system.