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- natural forest regeneration 自然森林更新
- Management Rules of Natural Forest Protection Project,2001,SFA. 天然林资源保护工程管理办法;2001;国家林业局.
- Surrounded by lush greenery, Clear Water Bay Knoll reflects the beauty and harmony of the natural forest. 都市繁嚣中,随时寻得更珍贵的时间和空间。
- Veneer - not from intact natural forests. 实木贴面:非出自天然原始森林。
- Solid wood - not from intact natural forests. 实木,非原始天然林木材。
- As yet there is lack of information on the effects of the bamboo density on the biomass and community growth although there have been many reports on forest regeneration driven by bamboo, bamboo regeneration, and bamboo population dynamics. 迄今为止,有关缺苞箭竹的研究报道较多,但均未考虑到自然群落中密度这一重要的生物因子。
- Layer-glued wood - not from intact natural forests. 胶合木板-非原始天然林木材。
- Plywood - not from intact natural forests. 胶合板-非原始天然林木材。
- The natural forest protection project had initiated, and input into forestry was further enlarged. 天然林资源保护工程开始启动,林业投入进一步加大。
- The natural forest protection project had initiated,and input into forestry was further enlarged. 天然林资源保护工程开始启动,林业投入进一步加大。
- Protecting natural forest resources,carrying out afforestation and improving the ecological environment. 保护天然林资源,开展植树造林,改善生态环境。
- Spatial heterogeneity and forest regeneration 森林更新与空间异质性
- Cut-over land improvement in forest regeneration 林木更新应进行迹地改良
- Study on Genetic Structure and Genetic Diversity of Natural Forest to Quercus L. 栎属天然林的遗传结构和遗传多样性研究。
- It aims to rehabilitate and develop natural forests. 主要解决天然林的休养生息和恢复发展问题。
- Forest fallow: All complexes of woody vegetation derived from the clearing of natural forest for shifting agriculture. 休耕林,轮耕林:指天然森林斫伐清理后,准备转向农业使用过程中的所有林木植被复合地带。
- This paper described the characteristics of vegetation change in gaps of Larix gmelinii natural forest in Daxinganling. 摘要根据在大兴安岭调查兴安落叶松天然林林隙结构,阐述了林隙地被物变化特征。
- Gap theory The process by which tropical forest regenerates spaces opened by windfalls. 缺口原理热带森林在被大风刮倒的地区再生的过程。
- Gap theory: The process by which tropical forest regenerates spaces opened by windfalls. 缺口原理:热带森林在被大风刮倒的地区再生的过程。
- There were only four distributional types of families and 13 of genera richer than the natural forest. 区系分析表明:该地蕨类植物具有较强的热带性质,科、属、种的分布区类型均以热带、亚热带分布型为主。