景观指数,landscape index
1)landscape index景观指数
1.Through calculating some landscape indexs,we make the quantitative analysis to the landscape patterns of the Dajiuhu wetland park.通过计算一些景观指数,对大九湖湿地公园景观格局作出定量分析。
2.The paper researched the effects of human activities on landscape pattern of urban ecological system of Yiwu city by analytical methods of landscape index and transfer matrix.利用1996、19992、0022、005年的义乌市遥感资料,对城市环线内的城市生态系统景观进行分类,用景观指数和转移矩阵分析法,在更宏观层次上分析了人类活动对城市生态系统景观格局的影响。
3.By use of satellite photograph, characteristics of landscape index of desertization land in research area have been discussed.利用卫片解译资料 ,探讨了研究区沙漠化土地的景观指数特征 ,同时利用马尔科夫转移矩阵分析了沙漠化土地景观格局的变化 ,确定了研究区各景观要素的转移概率和年平均转化速
英文短句/例句

1.Forest Landscape Ecology Structure Analysis and Landscape Index Modeling of Kang Ping County Based on GIS and ANN;基于GIS与ANN的康平县森林景观生态结构分析及景观指数建模
2.Study on Factor Analysis and Selection of Common Landscape Metrics常用景观指数的因子分析和筛选方法研究
3.Assistant assessment of landscape indices for general planning program of Wusuli River National Forest Park.乌苏里江国家森林公园规划方案的景观指数辅助评价
4.Landuse/cover Change Monitor and Landscape Pattern Analysis Based on Remote Sensing Data and Landscape Index;基于遥感与景观指数的土地利用/覆盖变化及格局分析
5.Research on Land Use Change along the Roads of Wuhan Rail Transit Based on Landscape Index基于景观指数的武汉市轨道交通沿线土地利用变化研究
6.Selection of landscape metrics for urban forest based on simulated landscapes基于模拟景观的城市森林景观格局指数选取
7.Research on Economic Supervising and Early Warning System Based on Prosperity Index;基于景气指数的宏观经济监测预警系统研究
8.Application of superior analysis of macroeconomic prosperity index;优势分析在宏观经济景气指数中的应用
9.Design and Dynamic Analysis of Prosperity Index of Shandong Province Macroeconomy;山东省宏观经济景气指数的制作和动态分析
10.Landscape Expansion Index and Its Applications to Quantitative Analysis of Urban Expansion景观扩张指数及其在城市扩展分析中的应用
11.The Shape Indices and Scale Fractal Analysis of Shrub Landscape in the Loess Plateau黄土高原灌丛景观斑块形状的指数和分形分析
12.Grain Size Effect on Landscape Pattern Indices--A Case Study of Shenyang Urban Forest景观格局指数的粒度效应——以沈阳城市森林为例
13.Selection of Representative Landscape Pattern Indexes and Land Use Division区域代表性景观格局指数筛选与土地利用分区
14.The Analysis of Land-use Landscape Pattern Conversion in the City of Daqing;基于景观格局指数的大庆市土地利用格局变化分析
15.Scale effect of landscape pattern indices for the Wuyishan Nature Reserve武夷山自然保护区景观格局指数的尺度效应分析
16.Land Use Data Generalization Indices Based on Scale and Landscape Pattern顾及尺度效应和景观格局的土地利用数据综合指标研究
17.The Research of NDVI-based Urban Green Space Landscape Pattern and Thermal Environment基于植被指数的太原市绿地景观格局及其热环境效应
18.The Analysis of Landscape Pattern Indexes on Campus Green Spaces--A Case Study of Three Universities in Shanghai高校校园绿地景观格局指数评析——以上海3所大学为例
相关短句/例句

landscape indices景观指数
1.Incorporating landscape indices into planning activities contributes significantly for more sustainable planning approaches.该模式由横向和纵向两个途径构成,它适用于所有的景观规划,通过在不同的规划过程中运用不同的景观指数,以增加规划中生态知识的可接受性与使用,增强规划者之间的交流,从而促进景观规划的可持续性。
2.Applying the spatial pattern analysis software FRAGSTATS of the vector version,we calculated a set of landscape indices,corresponding to the three scale levels of patch,class and landscape.用景观格局分析软件FRAGSTATS计算了各类景观参数,并从斑块、类型和景观3个水平上计算了相应的参数和景观指数,定量地揭示了整个景观格局与类型特征。
3.Several landscape indices in landscape-and class level were calculated in Fragstats along a 30 km long and 3 km wide transect with a moving window based on a 1∶100 000 land use remote sense image.采用以TM为基础的1∶10 0000土地利用遥感制图,以城市中心为原点分别在东西和南北方向上布设1条30 km长3、km宽的生态样带,通过移动窗口取样并利用Fragstas软件分别在景观水平和类型水平上选取一系列景观指数进行计算分析。
3)landscape metrics景观指数
1.Six landscape metrics were chosen,and with the help of the softwares(RS, GIS,Fragstats),land use was derived from RS images and then the results of landscape pattern metr.选择聚集度、Shannon多样性等6个景观指数,在RS、GIS和Fragstats软件平台下得到两个尺度的土地利用数据和二级土地利用类型的景观指数数据。
2.As a kind of quantification indices of a landscape pattern,landscape metrics concentrates highly the information of landscape,which reflects its characters such as structure makeup and space ordonnance.选取斑块数、斑块密度、破碎度、斑块分维数、多样性指数、优势度、均匀度、聚集度、分离度等景观指数,从斑块、斑块类型和景观3个层次上对研究区景观格局进行定量分析。
3.Based on remote sensing images and geographic information system,and by using landscape metrics and Kappa coefficient,this paper studied the farmland landscape change in Wenchuan County of Minjiang River upper reach.基于遥感影像和地理信息系统技术,应用景观指数和Kappa指数系列方法对岷江上游耕地景观变化进行研究,并引入二项Logistic逐步回归模型,选择海拔、坡度、坡向、到道路、河流和居民点距离为驱动因子对汶川县耕地景观变化的空间驱动力进行分析。
4)landscape indexes景观指数
5)Landscape metrics景观特征指数
1.Basing on the sketch date of land use in the year of 2000,using the more explicit landscape metrics we quantify and analyze the landscape spatial pattern in Horqin sandy land and in term of regions and banners to reflect the affect of landscape pattern on regional eco-environmental.基于2000年的土地利用图形数据,选用生态意义较明确的景观特征指数,从区域和旗县2个尺度定量分析了科尔沁沙地的景观空间格局,并揭示了景观格局对区域生态环境的影响。
6)landscape pattern indices景观格局指数
1.Through digital images processing and remote sensing interpretation on TM image in 1994 and ETM+ image in 2002 of Luding County,the authors could get picture of land utilization and landscape arrangement in two period,and through calculated related landscape pattern indices to quantitative study longitudinal change condition of land utilization and landscape arrangement.对泸定县1994年TM影像和2002年ETM+影像进行了数字图像处理和解译,得到两个时期的土地利用景观类型图,通过计算相关景观格局指数,定量研究了土地利用景观格局的纵向变化情况。
2.Grain size effect on landscape pattern indices of Shenyang urban forest was investigated at the fine-grain scale(one side of a pixel was less than 30 m) through 25 commonly used landscape indices based on the QuickBird satellite image taken in 2006.基于沈阳市2006年QuickBird卫星影像,以城市森林为对象,从景观和斑块类型水平研究了25个常用景观格局指数在细粒度范围(粒度边长<30 m)的粒度效应。
延伸阅读

迁移效率指数、偏好指数和差别指数迁移效率指数、偏好指数和差别指数 迁移效率指数、偏好指数和差别指数迁移效率指数是用于测定两地间人口迁移效率的指标。它是净迁移对总迁移之比。计算公式为:EIM一摇寿纂拼又‘。。上式中,}人么夕一材方}为i、]两地净迁移人数;从少+材户为i、]两地总迁移人数;El入了为迁移效率指数。 EIM的取值范围为。至100,如某一地区的值越大,反映迁移的的影响也越大。如果计算i地区与其他一切地区之间的人口迁移效率指数EIM厂,则: }艺材。一芝Mj、}EIM汀艺。+乏M,(j笋i) 迁移偏好指数是从一个地区向另一地区的实际迁移人数与期望迁移人数之比。计算公式为:____M.___材尸2行一:一二子一一不石一二,么M“ 了厂‘.厂‘、八 }二不十二六二1 、厂厂7上式中,M“为从i地迁到j地的实际迁移量;艺材。为总的人口迁移量;尸为总人口;M尸I,j为迁移偏好指数。通过计算迁移偏好指数,可以反映各地区的相对引力。 迁移差别指数是反映具有某种特征的迁移人口与非迁移人口区别的指数。例如,专业技术人员的人数所占比重,各种文化程度人数所占比重等,以便研究人才流失和其他间题。计算公式为:M‘从IMD、一翌不丝xl。。 .义V‘ N上式中,M为迁移人数;M,为具有i特征的迁移人数;N为非迁移人数;N‘为具有i特征的非迁移人数;了八了D、为迁移差别指数。