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   森林类型的 的翻译结果: 查询用时:0.447秒
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森林类型的
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  forest types
     The average canopy interception of five forest types is 48.64mm;
     5种森林类型的林冠截留量平均值为48.64mm;
短句来源
     Comparison of plant species diversity of four forest types in over-logged forest area in Northeastern China
     东北过伐林区四种森林类型的物种多样性比较研究
短句来源
     Soil Fertility and Water Conservation Function of Main Forest Types in Gongbiela River Watershed
     公别拉河流域主要森林类型的土壤肥力与涵养水源功能
短句来源
     Studied on the interception and water holding function of six main forest types from four ecological layers in Zhushatu small watershed of Three Gorges Reservoir Area, then the comprehensive estimating has been made on the hydrological effect of the six forest types.
     本文首先对巴东县朱砂土小流域的6种主要森林类型(柏木林、马尾松林、针叶混交林、针阔混交林、阔叶林和灌草地)从林冠层、灌草层、凋落物层和土壤层4个生态作用层次进行了截留与持水特性的研究,然后对6种森林类型的水文生态效应进行了综合评判。
短句来源
     The Study on Comparing the Biodiversity of the Main Forest Types in South Province.
     苏南主要森林类型的生物多样性调查与比较研究
短句来源
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  “森林类型的”译为未确定词的双语例句
     ②the parameter q ranges from 1.201 to 1.551;
     ②该森林类型的q值变动范围在1.201-1.551之间;
短句来源
     Results show that the all representative types forest soils were sink of CH 4 and source of CO 2 and N 2O.
     研究结果表明 :暖温带主要代表森林类型的土壤作为CH4的汇吸收大气中的CH4,同时作为CO2 和N2 O的源向大气排放 .
短句来源
     (1) It analyzed the theoretical basis of ecological service function of urban forest;
     (1)分析了城市森林生态服务功能的理论基础,认为其功能效应的发挥受到生态系统稳定性、景观分布格局及城市森林类型的影响。
短句来源
     2. The types of forest resources and their loss in Beijing were classified;
     (二)进行了森林资源损失和北京地区森林类型的科学划分,形成了森林资源损失的五大类16亚类的分类评估体系;
短句来源
     Nutrient Cycle in Main Types of Forests at Huoditang Forest Region in the Qinling Mountains
     秦岭火地塘林区主要森林类型的营养循环
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  相似匹配句对
     Studies on Forest Types in Fushun Region
     抚顺地区森林类型的研究
短句来源
     An investigation of natural forest types of Hangzhou.
     杭州天然森林植被类型的调查研究
短句来源
     FOREST RECREATION
     森林旅游
短句来源
     The View of Forest Value
     森林的价值观
短句来源
     SKYRMIONS OF DIFFERENT TYPES
     不同类型的Skyrmions
短句来源
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  forest types
tabulaeformis forests with a clumped spatial pattern but rarely appeared in other forest types, indicating that P.
      
A review of these reported Q10 values therefore becomes necessary and important for a global understanding of the temperature sensitivity of different forest types and elements.
      
Compared with other forest types, cycling rate of N in the community was lower than in deciduous broad-leaved forests, rain forests, and mangroves, and was moderate in evergreen broad-leaved forests.
      
N use efficiency of this forest was moderate among the forest types cited.
      
The main forest types in the Maoershan region are plantation (Pinus sylvestris var.
      
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This paper deals with the preliminary research for spectral characteristics of several main forest types in North-eastern regions and presents the spectral data of reflectance at different wavelengths and their spectral reflectance curve of the main forest types.The results of the analysis and comparison we have made show that spectral reflectance of the same forest type growing in different regions ls varied, but there is a tendency towards the unification of spectral curves. The variation of forest spectral...

This paper deals with the preliminary research for spectral characteristics of several main forest types in North-eastern regions and presents the spectral data of reflectance at different wavelengths and their spectral reflectance curve of the main forest types.The results of the analysis and comparison we have made show that spectral reflectance of the same forest type growing in different regions ls varied, but there is a tendency towards the unification of spectral curves. The variation of forest spectral reflectance depends on the characteristics of forest biology and ecology. The above results might be applied to practice of forest production and can be regarded as a fundamental theory of forest remote sensing.

本文就东北主要森林类型的光谱特性进行了初步研究,并提出了不同波长的光谱反射数据,和主要森林类型的光谱反射率曲线。 我们对它们进行了分析和比较,结果表明生长在同地区的同一森林类型的光谱反射率是不同的,但是它们的光谱反射率曲线的趋势是一致的。森林光谱反射率的变化取决于森林生物学和生态学的持性,这些结果可用于林业生产实践,并可做为森林遥威的理论基础。

The structure and ecological significances of the subtropical evergreen forest differ from those of the tropical rain forest in many aspects, chiefly in the former's lack of buttresses and cauliflories, and in the scarcity of epiphytes and large lia nas. Moreover, its coefficient of community is greater and its minimal area smaller than that of the tropical rain forest. As to the life-forms, they are also different, though a similarity in the coefficient of space exists between the two forest types.Differentiation...

The structure and ecological significances of the subtropical evergreen forest differ from those of the tropical rain forest in many aspects, chiefly in the former's lack of buttresses and cauliflories, and in the scarcity of epiphytes and large lia nas. Moreover, its coefficient of community is greater and its minimal area smaller than that of the tropical rain forest. As to the life-forms, they are also different, though a similarity in the coefficient of space exists between the two forest types.Differentiation of the evergreen forest is not well-defined. According to the data of field surveys this forest remains more complex and appears harmonious in structure, hence it can hardly be classified into distinct associations. The dominant trees distribute extensively over the whole forest, forming the pan-dominants. The characteristic species can be found only in the specific habitate, such as ridges, peaks or forge bottoms. These form additional dominants. This mixed community is one of the primary types of forest, the outgrowth of long-term historical development. At present it is still in a relatvely stable condition.The forest under investigation is a typically subtrcj-ical evergreen fcrest. It consists of floristic elements of subtropical origeji, including the species cf Fcgcccae, Hcmame-lidaceae, Theaceas, Magnoliaceae, Ilex , Styracdceas , Laurdceae , Elaeocarpaceae, Rhododendron and bamboos; all of these are the symbolic elements of the subtropical forest-types. This forest-type is distributing widely not only over the subtropical regions of Eastern Asia, but also on the uplands of the Asian Tropics. It seems thaj they are from the same origin and comprise an organic whole.According to the characteristic species three mixed communities are recognized.1 . Sempervirentisilva + Deciduisilva Mixed Community.2. Sempervirentisilva + Bambusisilva Mixed Community.3 . Sempervirentisilva + Acfculisilva Mixed Community.

亚热带常绿林比起热带雨林有许多差异。它缺乏具板根和茎花的植物,也罕见附生植物及大藤本。它的群落相同系数较大,最小面积则较小,生活型亦有不同,只有空间系数较大。 莽山常绿林的分化现象不很明显,是一个在结构上较为均一的混合常绿林,群落间的界线不易划分,建群种普遍存在于整个森林,只在特殊的环境如山脊和沟谷才有附加的特征种。这种混合的常绿林是一种原生性的森林类型,是长期历史发展的产物,目前仍处在比较稳定的状态。 莽山常绿林是典型的亚热带常绿林。它是由亚热带起源的植物区系成分所组成。这个森林类型在东亚的亚热带地区普遍存在,并且具有共同的起源,而且是统一的整体。 莽山是南岭山地海拔最高的山体,长期以来一直保存着大片的常绿林,是典型的亚热带常绿林。本文将就它的结构、生活型、生态型及群落动态等方面进行分析,探讨我国亚热带常绿林的各种特征。

In order to fit in with the experiment of the remote sensing technique for investigation on the broad-leave evergreen forests in South China and to combine with the graduate practice of the students of Forestry Department in the class of 1977, a research was made on the forest vegetation and its classification in Nan Kun Mountain from the 19th of September to the 9th of November in 1981. Thirty eight investigation-lines, 76 sample-plots and investigationline-spots were designed and 1500 vegetation-quadrats and...

In order to fit in with the experiment of the remote sensing technique for investigation on the broad-leave evergreen forests in South China and to combine with the graduate practice of the students of Forestry Department in the class of 1977, a research was made on the forest vegetation and its classification in Nan Kun Mountain from the 19th of September to the 9th of November in 1981. Thirty eight investigation-lines, 76 sample-plots and investigationline-spots were designed and 1500 vegetation-quadrats and fo-rest regeneration-quadrats were established. In every forest-type, a "biological ecology group" consisted of I dominant characteristic species of undergrowth and 2 dominant species of tree.This "group" was used as an important mark for identifying the forest-type. According to the statistics and analysis the vertical zones of distrbution in Nan Kun Mountain were divided into 3 formations and 9 forest-types . The main structure characters of communities are as follows. Generally, forests below 900m altitude and less destroyed have 3 stories, and in addition, they have understorey layer and herb layer; forests from 900m to 1050m altitude have 2 stories and forests above 1050m altitude have only I story. The results of the experiment gave some practical significant idea for the remote sensing technique for investigation on the natural broad-leave evergreen forests. in South China and for the forest management as well.

本研究为配合我国南方常绿阔叶林调查的遥感技术试验,于1981年9月19日至11月9日,结合林学系1977级学生毕业实习,进行了广东省南崑山森林植被调查分类。共设置调查线28条、标准地和路线点76个、林下植被和更新样方1500个。每个林型用1个林下植物优势特征种和2今优势树种(“林下植物、乔木、乔木”)组成“生物生态组”,作为鉴定林型的主要标志。经统计、分析,把南崑山的垂直地带性森林,划为8个群系、9个林型。群落的主要结构特征:一般在海拔900米以下,破坏较少的森林类型,林冠多分8层,此外还有下木层和草本层,海拔900~1050米地带的森林,林冠多分2层,海拔1050米以上的矮林,林冠只有1层。本文对我国南方天然常绿阔叶林调查的遥感技术研究,森林经营,均有现实意义。

 
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