PLANTATION相关论文
Emily Grierson is the woman image in the novel A Rose for Emily ， which is written by William Faulkner. The background of......
本文在对间伐和风害之间关系的讨论和以往有关研究结果的基础上,确定了一种林木风害危险率的估计方法,用于评价间伐对林木风害的影......
Rattans are climbing spiny plants that are regarded as an important kind of commercial non-timber forest products. Ratt......
Urban forest isan importantcomposition and the window and soul of modern cities, which has a close relationship with eco......
In order to further research bamboo cultivation and expand its application field, air-dried density and mechanical prope......
To study the changes of soil fertility of the shelter-forest land along the Tarim Desert Highway, soils from the forest ......
Forest bioenergy is an alternative to fossil energy.Although forest bioenergy is of great value to ease energy supply,th......
China has been making efforts to improve climate changes which have drawn international attentions since China formally ......
Afforestation and forest management can increase carbon stocks and account for emission reduction according to the Kyoto......
以黄土高原幼龄林、中龄林、成熟林(分别为5~10、11~15、21~30年生)刺槐人工林为对象,研究刺槐根、茎、叶、枯落物的碳、氮、磷化......
由于作为纸浆工业的原材料,因此竹子在非木质林产品中占有重要的位置.然而,过量采伐和人口增长,热带林的破坏以及工业原料的新需求......
[目的]揭示土地利用方式对球囊霉素相关土壤蛋白(GRSP)的影响。[方法]测定了海南岛5种主要土地利用方式下GRSP、土壤有机碳(Soil o......
Effects of land-use changes on organic carbon in bulk soil and associated physical fractions in Chin
The Horqin Sandy Grassland is one of the most seriously desertified areas in China’s agro-pastoral ecotone due to its f......
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复合组织异体移植（Composite Tissue allotransplantation,CTA）为修复重建外科提供了新的治疗途径。烧伤、创伤及面部肿瘤手术切除等......
Effects of three coniferous plantation species on plant-soil feedbacks and soil physical and chemica
Background:Large-scale afforestation can significantly change the ground cover and soil physicochemical properties,espec......
Background: Metabolic scaling theory (MST) is still in debate because observed allometric exponents often deviate from M......
Discovering forest height changes based on spaceborne lidar data of ICESat-1 in 2005 and ICESat-2 in
Background: The assessment of change in forest ecosystems, especially the change of canopy heights, is essential for imp......
According to the previous literature published since 1989,statistical analysis for reported data on the heavy metals in ......
Field studies were conducted in the Jiuwantan Forest Farm,Huadu District of Guangzhou City from June 2004 to March 2006 ......
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研究了华中神农架自然保护区毛金竹 (Phyllostachys nigra var. henonis (Mitford) Stapf. ex Rendle) 从发笋到成竹的营养生长行......
长江上游生态建设中,典型区营林10-20年的人工混交林有纯林化、衰败退化的演化趋势.本文以长江上游地区川中丘陵的人工林典型土壤......
The impact of Pinus halepensis afforestation on Mediterranean spontaneous vegetation: do soil treatm
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Space-time dynamics of fine root biomass of six forests in the Maoershan forest region,northeast Chi
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Responses of soil microbial respiration to plantations depend on soil properties in subtropical Chin
Assessing the impact of plantation on microbial respiration(MR) is vitally important to understand the interactions betw......
Seasonal Variation and Meteorological Control of CO2 Flux in a Hilly Plantation in the Mountain Area
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Characteristic of tradeoffs between timber production and carbon storage for plantation under harves
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The flowing water was collected from very small creeks and seepage water from small dug holes at three different areas,v......
研究评价巨桉(Eucalyptus grandis)植被和其相邻的山地雨林中土壤营养状况.在研究地建立了20个样方,每个小样方为20 m×20 m.在每......
Hurricanes cause abrupt carbon reduction in forests, but sil-viculture treatment can be an effective means of quickly re......
中国大多数桉树资源主要集中在较为温暖的沿海地区.目前在湖南和江西等华南和中南省份较为冷凉的内陆地区,通过选择一些合适的耐寒......
The impact of Pinus halepensis afforestation on Mediterranean spontaneous vegetation: do soil treatm
...
经实地勘查后布置燃烧床，以风速、表层可燃物含水率、现场温度、坡度为因素，温度变化、燃烧蔓延速度、火线强度为特性指标设计L9（34）正......
Growth performance of Avicennia officinalis L. and the effect of spacing on growth and yield of tree
A trial of Avicennia officinalis L. with five different spacings was conducted in the newly accreted lands along the wes......
通过对广东珠三角地区尾叶桉人工林野外样方调查,对林下植物物种多样性开展研究,分析了尾叶桉人工林植物群落物种多样性的基本特征......
为量化水源涵养林林分结构与其水文功能之间的关系,以宁夏六盘山香水河小流域内的4种典型结构林分(华北落叶松+灌木复层林、华北落......
Seasonal Variation and Meteorological Control of CO2 Flux in a Hilly Plantation in the Mountain Area
The carbon cycle of terrestrial ecosystems is an important scientific issue in global climate change research. Plantatio......
根据国家第八次森林资源连续清查成果数据，介绍了我国人工林面积的发展现状与变化动态，并就目前我国人工林发展面临的主要问题进行了......
本文以西宁市南北山20-30a生青海云杉人工林为研究对象,选定树高年生长量、胸径年生长量等10个评价指标进行赋值和无量纲化处理,并......
摘要：从树冠的截留雨水效果、枯落物厚度以及持水效果等项目作为指标对辽西干旱地区4种人工林开展了涵养水源效果分析，结果表明，各人......
本文以中条山下川营林区油松人工纯林为研究对象,采用典型样地取样法,针对野外调查数据,选取正态分布函数拟合林分胸径的分布规律,......
碳和氮是陆地森林生态系统的重要组分,其循环过程及相互作用对生态系统的生产力以及稳定性起着重要作用。近年来,国内外研究人员对......
以贵州省喀斯特山地的干香柏(Cupressus duclouxiana Hichel)纯林、刺槐(Robinia pseudoacacia Linn.)纯林和干香柏-刺槐混交林3种......
【目的】研究不同混交模式桉树人工林的林分生长状况、凋落物量和土壤养分含量,探寻桉树种植业的可持续经营模式。【方法】在广西......
