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空间格局分析     
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  spatial pattern analysis
     Spatial pattern analysis of species diversity of forest ecosystem in Jinyun Mountain
     缙云山森林生态系统物种多样性空间格局分析
短句来源
     SPATIAL PATTERN ANALYSIS OF RESIDENCE PRICE OF LANZHOU CITY USING GIS
     基于GIS的兰州市普通住宅价格空间格局分析
短句来源
     Spatial pattern analysis of forest landscape in low coteau of Middle Qilian Mountains
     中祁连山浅山区山地森林景观空间格局分析
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     The spatial pattern analysis of landscape in the Pingqiao area of Xinyang city
     信阳市平桥区景观生态的空间格局分析
短句来源
     Landform Information Obtains and Landscape Spatial Pattern Analysis Based on DEM
     基于DEM的地形信息提取与景观空间格局分析
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  spatial structure analysis
     Geostatistical Spatial Structure Analysis for Crop Productivity in Songnen Plain
     松嫩平原作物生产力地统计空间格局分析
短句来源
  analysis on spatial pattern
     ANALYSIS ON SPATIAL PATTERN OF PEAT DISTRIBUTION IN CHINA
     中国泥炭资源蕴藏的空间格局分析
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     Analysis on Spatial Pattern of DesertificationScale and Degree in Gansu Province
     甘肃省土地沙漠化规模与程度的空间格局分析
短句来源
     Analysis on Spatial Pattern of Ecosystem Biomass of Fukang Oasis,Xinjiang
     阜康绿洲生态系统生物量空间格局分析
短句来源
  patterns analysis
     Landscape patterns analysis based on APACK for Ejin natural oasis
     基于APACK的额济纳天然绿洲景观空间格局分析
短句来源
     Results of patch features and patterns analysis showed that: the small class of the landscape patch constituted the majority, and the small and middle classes of landscape patch accounted for 90% of the total patches.
     斑块特征和空间格局分析结果表明 :该林区森林景观中以小斑块要素比例最大 ,中、小斑块数占总斑块数的 90 %。
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      spatial pattern analysis
    Based on the sampling data, a correct approach to the boundary effect on aggregation index was put forward to the spatial pattern analysis of the broad-leaved Korean pine forest in its different stages of development.
          
    Spatial pattern analysis on individual trees in different age-classes of Larix principis-rupprechtii was made in this paper.
          
    The spatial pattern analysis of population and community is important to understand community structure and has become one key topic in modern plant ecology.
          
    Using a well-known spatial pattern analysis technique, clear differences between these types of nuclei were found.
          
    The spatial pattern analysis showed that the population mainly spread by short-distance spore dispersal rather than vegetative growth of dicaryophytic mycelia or long-distance spore dispersal.
          
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      spatial structure analysis
    When a single variable is studied, the spatial structure analysis is similar to spatial autocorrelation analysis, and a spatial prediction method, called "kriging", gives a filtered map of the spatial pattern over all the sampled area.
          
    Spatial structure analysis of regionalized compositions
          
    From the spatial structure analysis a general system for the whole Ligurian-Tyrrhenian basin and a more local system fitting the cyclonic circulation of the Ligurian Sea are emphasized.
          
    Spatial structure analysis and kriging analysis have been identified to be useful tools in illustrating the spatial patterns of variables.
          
    These data sets were examined by a classical statistical as well as a spatial structure analysis.
          
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      其他


    The analysis method of spatial pattern was applied to study the aggregation and dispersion tendencies of green tobacco aphid [Myzus persicae (Sulzer)] among whole and vertical strata of tobacco plant. From transplanting to ripe, which are the periods of tobacco plant growth, the aggregation and dispersion tendencies of green tobacco aphid among upper, middle and lower leaves were trailed by using Mont Lloyd's method and combining the model of Iwao (m-m) and improved Iwao's model. The results show that green...

    The analysis method of spatial pattern was applied to study the aggregation and dispersion tendencies of green tobacco aphid [Myzus persicae (Sulzer)] among whole and vertical strata of tobacco plant. From transplanting to ripe, which are the periods of tobacco plant growth, the aggregation and dispersion tendencies of green tobacco aphid among upper, middle and lower leaves were trailed by using Mont Lloyd's method and combining the model of Iwao (m-m) and improved Iwao's model. The results show that green tobacco aphid has two aggregative peaks which are in the late June and mid-July, respectively. The aggregation and dispersion tendencies of green tobacco aphid are some different among different parts of tobacco plant, as the result of natural selection and adaptation. The green tobacco aphid appears aggregative pattern among whole tobacco plant and upper, middle and lower leaves. The analysis can help the rational control of green tobacco aphid.

    本文采用空间格局分析方法,从烟草移栽到烟叶采收,对烟蚜Myzus persicae(Sulzer)在烟株和烟株上、中、下三个部位的聚集和扩散趋势,采用Mont Lloyd给出的方法,并结合Iwao的m-m回归分析法和m-m的改进模型进行判断分析。结果表明,六月下旬和七月中旬是烟蚜在烟株上的两个聚集高峰期。烟蚜在烟株不同部位的聚集和扩散趋势有所不同。整株烟株和上、中、下部烟蚜都呈聚集分布。分析结果对指导烟蚜防治有一定帮助。

    In the paper, the author makes a brief introduction to Geographical Information System and basic theories of landscape ecology at first, then makes an analysis on the application of Geographical Information System in studies of landscape ecology, especially in respects of analysis of landscape patterns and landscape change modeling. In the end the author suggests some points worth noticing,(1) proper choice of spatialtemporal scale,(2) studies of landscape information,(3) small area researches, (4) interface...

    In the paper, the author makes a brief introduction to Geographical Information System and basic theories of landscape ecology at first, then makes an analysis on the application of Geographical Information System in studies of landscape ecology, especially in respects of analysis of landscape patterns and landscape change modeling. In the end the author suggests some points worth noticing,(1) proper choice of spatialtemporal scale,(2) studies of landscape information,(3) small area researches, (4) interface problem of landscape models and general GIS, and (5) data extroplation from point to area.

    本文在简要介绍地理信息系统(GIS)与景观生态学基础理论的基础上,分析了GIS在景观生态学,尤其是在景观空间格局分析与景观时空变化分析与模拟方面的应用,指出GIS在这两方面应用中应注意到的几个问题,即,时空尺度的选择、景观信息机理的研究、小区域研究、专业模型与通用GIS接口问题及点值数据到面数据的外推问题。

    he agricuitural landscape is a mosaic of natural and human-managed patches that varyin size,shape and arrangement.These spatial patterns in the landscape may influence a vari-ety of ecological phenomena. Therefore,the analysis of landscape spatial patterns is an important component of understanding ecological dynamics. A geographic information system(GIS),fractal analysis,and statistical methods were used to examine the spatial patterns ofagricultural landscape in the loess area of China. 1:10000 land use map...

    he agricuitural landscape is a mosaic of natural and human-managed patches that varyin size,shape and arrangement.These spatial patterns in the landscape may influence a vari-ety of ecological phenomena. Therefore,the analysis of landscape spatial patterns is an important component of understanding ecological dynamics. A geographic information system(GIS),fractal analysis,and statistical methods were used to examine the spatial patterns ofagricultural landscape in the loess area of China. 1:10000 land use map of study area was dig-itized for analysis,ten land use categories were included:irrigated farmland,check-dam farm-land,terrace farmland,slope farmland,orchard,grassland,bush,forest,reservoir and residen-tial land.The size of patches,fractal dimension of patches,patch elongation index,diversity,dominance,relative richness and fragmentation index of landscapes of gully and between gul-ly were calculated by models and GIS.Along with the increase of patch area,the shapes offarmland and forest patches have a change tendency from simple to complex,the shapes ofgrassland vary at random. Finally,a suggestion to plant buffer on the zones between hilI topand hill slope and hill slope to gully slope was put forward so as to control soil erosion andimprove landscape connectivity.

    景观空间格局分析是景观生态学研究的核心问题之一。本文用地理信息系统、分维分析和统计分析相结合,以1:1万土地利用现状图为基础,选取斑块大小、分维数、斑块伸长指数、多样性、优势度、相对丰富度、破碎度等指标,研究了陕北米脂县泉家沟流域农业景观的空间格局。结果显示,乔木林地、坡耕地、果园、草地和梯田农地的分维数较低,坝地、水库、灌溉农田、居住用地和灌木林地的分维数较高,斑块形状较为复杂。随着斑块面积的增加.农地(包括坝地、灌溉农田、梯田农地和坡耕地)的分维数呈波浪式微弱增加.草地的分维数呈波浪式摆动,林地(乔木林和灌木林)的分维数呈上升趋势。通过对沟间地和沟谷地样地景观空间格局的比较研究,得出沟间地景观多样性、相对丰富度、破碎度低,优势度高,沟谷地多样性、相对丰富度、破碎度高,优势度低。建议在沟间地生态敏感的地形转换带种植灌木林,建立生态廊道,提高多样住,控制水土流失,增强景观连接性。

     
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