The technical criteria are determined according to the forest types.
并分别森林类型确定了技术标准。
The paper described the natural conditions and forest types in Northwest region.
描述了西北地区的自然条件和森林类型。
Forest health status was evaluated in eight forest types for different tree species in this area.
分林种对该区八个森林类型进行了森林健康状况的研究。
Nanling subtropical forest forest types, the origin of ancient, save a lot of ancient relict plant.
森林类型南岭亚热带阔叶林,起源古老,保存不少古代残遗植物。
So it is more particularly important in Forest types of nature reserves of natural capital evaluation.
森林类型自然保护区自然资本价值评估工作也就显得尤为重要。
Flooded lands would include some of the world's rarest forest types, including the critically endangered plants.
在淹没的土地上有一些世界上最为稀有的森林形态,这些森林中生长着很多极度濒危的植物。
For example, the existence and extent of specific forest types are important as a basis for conservation efforts.
例如,特殊森林类型的存在和范围作为保存工作的基础至关重要。
As in other forest types, the wildlife in the mangroves is an important source of protein for the local community.
和在其他森林中一样,红树林的野生动物是当地人们的重要蛋白质来源。
Nesting in coniferous forest, often greenwood, miscellaneous wood forest types of forest tree thorns or short.
营巢在针叶林、常绿林、杂木林等各种类型森林的荆棘或矮树上。
The flame length and fire intensity of 8 forest types were also increased with the acceleration of the average flame speed.
八类林型的火线强度、火焰长度均随着火焰平均风速增加而增大。
Total nitrogen contents of surface soil in three forest types changed with seasons distinctly, and overall extents were not big.
三个林型表层土壤全氮含量季节变化规律明显不同,总体变化幅度都不大。
Humus layer in different forest types and soil surface type and quantity of soil fungal communities have a significant difference.
不同林型腐殖质层和土壤表层的土壤真菌群落种类和数量都具存在显著差异。
The collocation of forest types is one main research item of constructing waterhead oriented conservation forest in Miyun reservoir.
水源保护林林种的合理配置是密云水库水源保护林建设中的重要研究内容之一。
The natural spruce-fir mixed stand is one of the main forest types in China, and also has large proportion in the civil and national consuming.
天然云冷杉针阔混交林是我国的主要森林类型之一,在国民用材中占有相当大的比重。
The 25 plots of degraded karst forests were chosen as the research objects and 25 plots were divided into 11 forest types by principal component analysis (PCA).
用25个退化喀斯特森林样地作为研究对象,采用主分量分析方法,把25个样地划分成11个森林类型,并对各类型的分布及特征进行阐述。
The physical property of soil water was measured and studied by comparative experimental method in the main forest types in Xiaoxing 'an Mountains after harvesting.
采用对比实验的方法,对小兴安岭林区主要森林类型采伐后土壤水分物理性质进行了测定和研究。
The effects of forest types on hydrochemical characteristics of streams in Liangshui National Nature Reserve were studied by the comparison experiment of watersheds.
采用集水区对比分析方法,探讨凉水国家级自然保护区不同森林类型对溪流水化学特征的影响。
Hainan Island year-round pleasant weather, seasonal flowers, mineral, animal and plant resources. Tropical rainforests and mangroves of the rare forest types in China.
海南岛上终年气候宜人,四季鸟语花香,矿物、动植物资源丰富。热带雨林和红树林为中国少有的森林类型。
The steps for the system establishment include digitizing the forest types map and topographic map and linking the attributes of forest types and spatial information.
该系统的建立包括林相图、地形图的数字化与处理,小班属性与空间信息系统相联结。
The studies on the concentration of aero anion in some south China forest recreation areas showed: (1) The aero anion concentration has differences in different forest types.
选择南方有代表性的森林游憩区进行森林环境中空气负离子水平研究,结果表明:(1)不同林分类型的森林环境中空气负离子水平差异较大。
These forests, representing their respective geographic and climatic zones typical of forest types, together, more or less reflect the composition of China's territory forest.
这些原始森林,代表着各自地域和气候带典型的森林类型,综合起来,大致反映中国森林的版图构成。
We took the upper Yangtze River region as study areas, and divided them into 21 evaluating units according to their forest types, and built up the evaluating units'index system.
本论文以长江上游地区为研究区域,根据其森林类型将研究区域分为21个评估单元,并建立评估单元指标体系。
The extraction of forest texture feature from color forest aerial remote sensing images is an important part of the automatic interpretation of forest types achieved by computer.
彩色森林航空遥感图像中森林纹理特征提取是实现计算机自动判读的重要环节。
The quality and composition of the pine forest and oak forest were highly similar while the relationship between the composition of light and the canopy characters varied with forest types.
光资源的数量及其组成在油松林和辽东栎林下的变化非常相似,但光资源的组成与林冠特征的关系在两种森林间存在差异。
In this study, it takes reasonable measures to operate the natural secondary forest guide the operation of the various forest types and provide a theoretical basis for practical activities.
本研究为天然次生林采取合理的经营措施,指导各林分类型的经营实践活动提供理论依据。
The canopy interception for rainfall, the infiltration and water-holding capacity of soil of main original secondary forest types in eastern mountain areas of Liaoning province were studied.
主要研究了辽宁东部山区天然次生林林冠截留降雨、林地土壤的渗透性能和贮水能力。
By investigating many forest types in 4 different areas, we found that there are great differences in litter-fall in these areas which are influenced by geographical locations and forest types.
对4个地区一些典型林型凋落物进行研究表明森林年凋落量受地理位置和森林群落类型影响而存在明显差异。
We took different forest types with different standards into account when dividing by stocking volume per unit area. Therefore, we should consider forest types as an indicator standard further.
在单位面积蓄积量的标准划分时充分考虑到了不同林型标准不同,进而分林型进行指标标准的划分。
This paper make Daqing mountain plantation and natural forest as research object, focus on different forest types of litter and soil water conservation, and make a systematically studied to them.
本文以内蒙古大青山区人工林和天然次生林为研究对象,以不同林型枯落物和土壤水源涵养为重点,对不同林地的土壤水分和枯落物特性进行了系统研究。
This paper make Daqing mountain plantation and natural forest as research object, focus on different forest types of litter and soil water conservation, and make a systematically studied to them.
本文以内蒙古大青山区人工林和天然次生林为研究对象,以不同林型枯落物和土壤水源涵养为重点,对不同林地的土壤水分和枯落物特性进行了系统研究。
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