因地制宜开展中幼龄林抚育、森林改造培育,提高森林质量。
Young forest management will be managed according to local conditions, with an emphasis on forest cultivation to improve forest quality.
本文根据林分结构和森林产量长期实验林的研究成果,提出了刺槐林的抚育作业次序。
In the paper the sequence of forest tending operations in black locust stands is proposed, based on results of long-term stand structure and forest yield trials.
我也从来没有抚育过森林(间伐树木时你还得留神有没有熊)。
I have never thinned a forest, while keeping an eye out for bears.
本文着重论述了加强森林抚育低效林改造是恢复森林生态系统的有效途径及其可行性和必要性。
This paper states that forest tending and low yield forest rebuilding is the effective approach of resuming forest ecology system.
抚育间伐对森林生长的影响体现在很多方面,包括对林分生产力及其林分因子、林下植被及灌木、林下土壤和天然更新影响等方面。
The effects of thinning on forest growth embodied some aspects which mostly include the effects on stand productivity, stand factors, stand biomass, vegetation and shrubs under-forest, soil and so on.
指出了抚育间伐对森林生长影响研究方面存在的问题及今后的发展趋势。
The problems existed and developing trends for the future in studies of the effects on forest growth were presented.
贝基在一家商店里记账,约翰找到了开卡车的工作,同时为美国国家森林管理局干一份在森林里砍掉易燃矮树丛的工作(让树木变稀疏,也称抚育或间伐)。
Becky worked in a store doing bookkeeping, while John found work driving a truck and also cutting the flammable undergrowth in the forests (" thinning "them) for the US National forest Service.
野生动物是森林的重要组成部分之一,森林抚育会引起森林结构的变化,而森林结构决定森林野生动物的种类、数量和分布。
Wildlife is one of the key components of forest. Forest structure can be modified by forest tending, which can affect the species richness and abundance of wildlife in forest stand.
北京市高保护价值森林以保护为主,适当的抚育为辅。
High conservation value forest in Beijing should be protected mainly, and supplemented by appropriate tending.
对国内外学者在这些方面的研究进行了综述,简单介绍了抚育间伐对森林生长影响的模型研究进展情况。
Studies of those aspects all over the world were summarized and the model studies actuality of effects on forest growth by thinning were introduced briefly.
野生动物是森林的重要组成部分之一,森林抚育会引起森林结构的变化,而森林结构决定森林野生动物的种类、数量和分布。
Forest structure can be modified by forest tending, which can affect the species richness and abundance of wildlife in forest stand.
野生动物是森林的重要组成部分之一,森林抚育会引起森林结构的变化,而森林结构决定森林野生动物的种类、数量和分布。
Forest structure can be modified by forest tending, which can affect the species richness and abundance of wildlife in forest stand.
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