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大兴安岭林区是我国用材林主要基地,自解放以来陆续开发利用,从合理利用资源,保护生态环境,充分利用每一寸土地的观点出发,曾做过多次大规模的调查研究并提出过若干采伐更新合理利用土地资源的意见。但从肥力综合评价和单一肥力因子评价土壤所见材料甚少。本文是1986年8月在大兴安岭塔河林业局综合调查组要求,利用50块固定标准地,150块临时标准地的材料为基础,统计分析出大兴安岭北坡原始林区肥力评价标准,以供今后规划设计、经营大兴安岭森林参考。
Daxinganling forest area is the main base of timber forest in our country, and has been developed and utilized since liberation. From the point of rational utilization of resources, protection of ecological environment and full utilization of every inch of land, many large-scale investigation and research have been done and several logging updates The rational use of land resources advice. However, little is known about the evaluation of soils from the comprehensive evaluation of fertility and the single fertility factor. Based on the requirements of the comprehensive investigation team of Tahe Forestry Bureau of Daxing’anling in August 1986, based on the data of 50 fixed standard sites and 150 temporary standard sites, this paper analyzes the fertility evaluation criteria of primeval forest area on the northern slope of the Greater Hinggan Mountains for future reference Planning and design, management Daxinganling forest reference.