【摘要】 针对我国传统封山育林工作粗放经营的现状,提出因林制宜、综合培育的现代封山育林理念及封山育林类型划分的必要性。通过对中德技术合作—密云县古北口镇潮关西沟示范区立地条件、树种结构、社会经济状况的调查、分析,制定了该示范区封育类型划分的因子及量化指标,将该示范区的32个小班划分为3种封山育林类型。本研究旨在将传统封山育林事业推向有计划、有目标、有营林措施的新阶段,推进首都郊县水源涵养和绿化地区的封山育林进程并提供生产依据。更多还原

【Abstract】 Based on the extensive management fact in Chinese traditional performance in closing off the hillside for better growth of forests, a modern concept, that is, adjusting measures according to different forest types and cultivating forests in a comprehensive way, was put forward The necessity of the division of the types of closed forest was illustrated too Through the diagnosis of the site, species structure and social and economic context are studied in Gubeikou Chaoguanxigou experimental area where a technical,cooperative project between China and Germany has been carried out.The established factors and quantitative indexes are used to divide the types of closed forests in this area The 32 subcompartments in the area were divided into 3 types This study is aimed at developing the traditionally functioning forests into new,wellplanned forests with the performance of water conservation and environment friendly functions更多还原