【摘要】 通过十年来，对寒温带云冷杉林经营试验表明，培育改造云冷杉林在保持现有结构的基础上．促进其生物量有效地增加达到在短期内形成先锋后备资源是完全可能的，也是有效的．对缓解国有林区可采资源枯竭．促进森林可持续发展有着重要的作用。更多还原

【Abstract】 Management and experiment for Picea--Abies forest in frigid--temperate zone through ten years indicate that Picea--Abies forest after cultivating and transforming in the basis of keeping existing composition can improve the biomass increasing effevtively. form vangard reserve forest resources and have important functions for mitigating forestry exploitative resource and improving forestry sustainable deveopment.更多还原