茅荆坝林区森林类型划分及评价*

Classification and Evaluation on the Forest Types in Maojingba Forest Region

摘要: 次生林是我国重要的后备森林资源,在维护生态平衡中起着重要作用。但我国次生林区立地条件复杂,林分类型不仅多样,而且质量差异很大。为了更好地经营次生林,提高森林生产力和森林生态效益,本文对河北省茅荆坝林区进行了森林类型划分,并对各类型的自然特性及生产力进行了评价,为茅荆坝次生林区乃至华北次生林区今后的森林经营工作提供了一定的依据。

Abstract: The method ZBFL Ⅱ was used to classify the forest types in Maojingba forest region on the basis of three factors: dominant tree species, soil depth and slope exposure. 7 forest type groups contain 24 forest types in 2 forest vertical distribution zones were classified. Based on the evaluation, the managerial measures of each forest type was given.