【摘要】 通过对川西米亚罗天然林区植被分布、群落演替和封山育林情况调查 ,探讨了封山育林类型划分的原则和依据 ,划分了 5个类型组 17个类型 ,阐述了各类型的特征和特点 ,制定了封山育林评价指标。更多还原

【Abstract】 On the basis of investigation information about vegetation distribution,community succession and mountain closure in Miyaluo area of western Sichuan Province,the classification principles of types of mountain closure were discussed.The mountain closure was divided into five groups and seventeen types.The characteristics of all types were explained.The evaluation indicators of mountain closure were established.更多还原