主要依据适地适树原则及工作的具体需要进行造林设计，划分了造林地主要立地类型，并制定了林分改造年度计划和造林地类型表；
Mainly according to the rules of suitable trees and suitable sites and the work need, authors divide the stand types, then design the yearly stand rebuilding plans and stand types tables.
划分森林立地类型，综合评价林地质量，是适地适树，科学地进行营造林和预测森林生产力的基础。
Dividing the forest site type, comprehensive appraisal the quality of forest land are the bases to match species with the site, scientifically mange and afforest and predict productivity.
本区按土地利用不当引起的土壤侵蚀类型可划分成农用耕地侵蚀和裸地稀疏林地侵蚀。
The soil erosion types could been divided into two ones, agri-tillable soil erosion and barren tree soil erosion.
本区按土地利用不当引起的土壤侵蚀类型可划分成农用耕地侵蚀和裸地稀疏林地侵蚀。
The soil erosion types could been divided into two ones, agri-tillable soil erosion and barren tree soil erosion.
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