forest plantation
- 人工林;人工林,植树造林
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Research for the Proper Density of Forest Plantation Larix Gmelini
落叶松人工林最适密度的探讨
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Forest plantation is essential forest ecosystem with fundamental functions and roles in wood production , environmental protection and landscape design .
人工林是重要的森林生态系统,在木材生产、环境保护和景观建设中具有重要功能和作用。
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It can supply basis for forest plantation density management .
可为人工林密度管理提供参考依据。
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Quantitative Evaluation for Site Quality of Chinese Fir Forest Plantation
杉木人工林立地质量的数量化评价
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A Study on Cleaner Production Evaluation of Forest Plantation Logging
清洁生产评价应用于人工林采伐的探讨
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It has guidance meaning for intensive operation of forest plantation .
这对人工林集约经营有指导意义。
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Structural Characteristics of the Three Forest Plantation and the Strategies for Forest Rehabilitation
三种人工林的结构特征及林分改造对策
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Several Problems Should be Taken Seriously during the Economic Effect Evaluation of Investment in Industrial Forest Plantation
工业人工林投资经济效果评价应注意的若干问题
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Research of soil respiration and carbon sink in different forest plantation types in Northeast China
东北人工林不同林分土壤呼吸及其碳汇功能研究
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Factors And Countermeasures Of Affecting Cultivating Larch Forest Plantation
影响培育落叶松人工林的因素及对策
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Model simulation of isoprene emission flux in a tropical forest plantation of rubber trees
热带人工橡胶林异戊二烯排放通量的模式研究
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Expansion and Comparison of Four She Index Curve-groups for Chinese Fir Forest Plantation
杉木人工林多种立地指数曲线簇的展开和比较
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Effect of Volatile Substance of Larch on the Growth of Ash in Mixed Forest Plantation
混交林中落叶松挥发性物质对水曲柳生长的影响
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Moisture has become the key limiting factor of cultivating forest plantation in arid and semi-arid regions .
在干旱半干旱区,水分已成为人工林培育关键限制因子。
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Soil polarizations of forest plantation in semi-humid gullied area of southern Loess Plateau
黄土高原南部半湿润残塬沟壑区人工纯林土壤性质极化研究
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Study on the problems of forest plantation productivity of china (ⅰ) & to probe into the natural factors of influencing the plantation productivity
我国人工林生产力问题的研究(Ⅰ)&影响我国人工林生产力的自然因素评价
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China 's forest plantation has an extremely important status and immense effect on timber supply , ecological protection , environment safety , etc ;
人工林在木材供给、生态保护、环境安全等方面具有十分重要的地位,发挥着巨大的作用;
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Study on Change Laws of Biomass and Productivity of Masson Pine Forest Plantation ⅱ . Biomass and Productivity of Stand at Different Ages
马尾松人工林生物量及生产力变化规律研究Ⅱ.不同林龄生物量及生产力
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Its main conclusion is : 1 The growth of forest plantation in research region is affected by many factors such as density , slope and slope position .
其主要结论为:1.研究区人工林生长受密度、坡向、坡位等因子综合影响。
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Evaluation of Site Quality on Forest Plantation of Larch-tree ( Larix kaempferi ) in the Mountain Area of Western Henan Province
豫西山区日本落叶松人工林立地质量评价
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All of benefits of forest plantation can be fully realized if people abide water resource environment capacity principle according to forest land water control standing forest density and structure .
必须遵守水资源环境容量原则,根据林地水量调控林分密度和结构,才充分发挥人工林各项效益。
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The water-consuming model of forest plantation is established with forest age and density . 4 The moisture production function of forest plantation is initially defined .
以林龄和密度建立了人工林耗水模型。4.初步界定了人工林水分生产函数。
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The major divergence between the two groups was the perceptions on the goals of forest plantation and forest recreation being for private interests or for public interests .
两类专家之间的主要差异在于对森林游乐区和人工林两种森林经营方式在合乎个人利益或社会利益认知上的分歧。
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Benefits from different kinds of soil preparation measures to soil physical properties , soil infiltration , soil moisture dynamics and survival percentage and growth of young forest plantation are studied systematically .
本文从土壤物理性质、土壤入渗、土壤水分动态以及造林成活率和幼林生长量等几个方面对不同整地工程的效益进了研究。
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Lower soil organic carbon storage in upper ( 0 ~ 25 cm ) soil profile contribute to lower soil organic carbon storage in the soil of forest plantation compared with nature forest .
人工林土壤剖面上层SOC储量相对较低,导致了人工林土壤整体有机碳储量比较低。
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This paper analyzes the disadvantage factors of affecting cultivating larch forest plantation , puts forward the problems and countermeasures in the breeding so as to give rein to its shortterm benefit .
本文分析了影响培育落叶松人工林的不利因素,提出落叶松发展需要注意的问题及对策,使落叶松在培育过程中能充分发挥短期效益。
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Southern type Poplar is one of the dominant forest plantation species in Jiangsu Province , and the Poplar industry has made Jiangsu become one of the biggest producers of wood based panels in China .
南方型速生杨树的大量种植和加工利用,使江苏已成为人造板生产大省。
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With impoundment of the dam , the underground water level of the downriver will rise , which is in favor of full utilization of water resource , forest plantation and basic farmland construction .
土坝蓄水后,将提高坝下游地下水位,充分利用水资源,有利于植树造林和基本农田建设。
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Soil Microbial Biomass Acts as Source and Sink of Energy Material C Flou in Mountainous Soils of Guizhou . Research of soil respiration and carbon sink in different forest plantation types in Northeast China
贵州山区土壤中微生物生物量是能源物质碳流动的源与汇东北人工林不同林分土壤呼吸及其碳汇功能研究
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Poplar is one of the major forest plantation species in China . Therefore , Poplar plantation forest development and timber processing and utilization will have very important effects on the future relationship between timber supply and demand .
杨树是我国人工林主要造林树种之一,杨树人工林的发展和人工林杨树木材的加工利用对我国未来木材供求关系将产生重要影响。