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空间格局     
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  spatial pattern
     Samples of Echinocnernus squameus from 36 paddy fields are analyzed to determine its population spatial pattern in terms of pattern parameters I,C_A,I_δ,m~*/m, α and β.
     本文根据36块田的调查,用种群空间格局参数I、C_A、I_δ、m~*/m和α、β值进行分析,稻根象甲幼虫和(?)
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     GIS-based analysis of the landscape spatial pattern of Hefei City
     基于GIS的合肥市景观空间格局分析
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     The research indicated that,total area of water in the study area was 2 018.22 km2 in 1979,while in 2001 reduced to 1 488.12 km2,spatial pattern of water landscape has taken grate changes,the main effect factor is the land desertification,grassland degradation and overexploitation of human.
     通过对吉林西部水域1979、2001年遥感数据进行水域遥感信息格局变化研究分析,1979年吉林西部水体总面积为2 018.22 km2,2001年面积为1 488.12 km2,减少了530 km2,水域景观空间格局发生了显著变化,主要影响因素是土地沙化、草地退化以及过度的人为开发、围垦等原因造成的。
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     Spatial Pattern of Land Utilization Based on GIS
     基于GIS的土地利用空间格局分析——以河南省商丘市为例
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     SQL and Stat Function are applied to spatial pattern relationship analysis of species and site factor and forest landscape analysis.
     利用SQL查询与聚类统计功能,进行造林树种与立地因子的空间格局关系分析、森林景观格局分析;
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  spatial distribution
     Anal-ysis on causes of larva aggregated in forest through spatial distribution parameter m, K, α,β, and relation of x= K_c(P_0~(-1/(Kc))-1), larva density was estimated by percentage of non-diseasedstem.
     并利用其空间格局参数m~*、K、α、β值,分析了幼虫在林间聚集的原因,应用x=K_C(P_O~(-1/Ke)-1)关系,由无虫株率来估计幼虫密度。
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     The patch density,edge density,fractal dimension of patches,landscape diversity,landscape dominance and mean proximity index were calculated by models and GIS to analyze spatial distribution and spatial structure of landscape types in Hainan Island.
     景观空间结构分析是景观生态学研究的核心之一。 运用景观生态学原理 ,借助地理信息系统技术 ,选取斑块密度、边缘密度、分维数、景观多样性、景观优势度和平均接近指数等指标 ,分析了海南岛不同景观类型的空间分布和空间格局特征 ,探讨了该地区人类活动与景观结构之间的关系。
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     Spatial Distribution Patten of Plutella Xylostella.
     菜蛾Plutella Xylostella(linne’)种群空间格局研究
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     The spatial distribution parameters ( 、 C A、 I δ、 、 α、 β) of the soybean aphids were analyzed, and the reason of contagious patterns of the aphids was discussed.
     利用大豆蚜种群的空间格局参数m、CA、Iδ、mx、α、β和种群聚集均数λ值,分析了大豆蚜种群聚集的原因,估计了个体群平均大小及其与平均密度的关系。
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     In representative county of Karast mountainous areas of Guizhou province,300 of soil samples were collected according to soil types and by using GPS,in order to study the variability and spatial distribution of soil nutrients for Karast mountainous areas.
     在贵州选取有代表性的喀斯特区县,根据耕地土壤类型,利用GPS定位,采集300个土壤样品,开展喀斯特山区县级农田土壤养分变异与空间格局研究。
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  spatial patterns
     Using Ripley′s K function and Monte-Carlo random simulation methods,the fine-scale spatial patterns of Potentilla acaulis were quantified under four grazing intensities: no grazing,light grazing(1.33 sheep/hm~(2)),medium grazing((4.00) sheep/hm~(2)) and heavy grazing(6.67 sheep/hm~(2)).
     利用R ip ley’s K函数以及蒙特卡罗(Monte Carlo)随机模拟方法,定量分析了4种放牧强度———无牧、轻牧(1.33只羊/hm2)、中牧(4.00只羊/hm2)、重牧(6.67只羊/hm2)下星毛委陵菜(Potentilla acaulis)种群的小尺度空间格局及其随尺度的变化规律;
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     Prediction of the spatial patterns of species richness based on the plant-topography relationship:An application of GAMs approach
     基于植物-地形关系的物种丰富度空间格局预测——GAMs途径的一种应用
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     Landscape ecology is concerned about the landscape spatial patterns, landscape function and landscape dynamic changes.
     景观生态学主要研究景观的空间格局、景观功能以及景观的动态变化,强调异质性的维护和发展以及时空尺度的重要性。
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     GIS-based Analysis on the Spatial Patterns of Landscapes in the Qaidam Basin
     基于GIS的柴达木盆地景观空间格局分析
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     Based on the NOAA AVHRR-NDVI data from 1981 to 2001,digitalized China Vegetation Map(1∶1 000 000),temperature and precipitation data,DEM,and spatial people density data in 2000,the spatial patterns and characteristics along the altitude gradients of the vegetation change as well as their factors in Mt.Qomolangma Natural Reserver have been studied.
     利用1981~2001年美国NASA Pathfinder NOAA/NDVI数据,以11∶00万植被图为基础,结合气温降水资料、DEM数据和2000年人口空间化数据,研究了珠穆朗玛峰自然保护区植被变化空间格局和海拔梯度特征及其影响因素。
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  spatial distribution pattern
     Research of Spatial Distribution Pattern for The SchrenkSpruce ForestLi Minghui (forest management)Supervised by (Pan Cunde)AbstractThe property of ecology and morphology of the plant species inforest communities are basic unit of the structure and function of forestecosystem .
     森林群落中的植物种群以其特有的生态学和形态学属性,在与环境因子的相互作用下,成为森林生态系统中基本结构与功能单元。 研究森林群落的种群空间格局及其动态可以为森林群落演替趋势、森林生态系统可持续经营提供基础理论。
短句来源
     Dynamic Analyses of Spatial Distribution Pattern of Patana phyllostachysaeChao
     刚竹毒蛾空间格局动态分析
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     Two original samples of Chilo suppressalis and their grid,random and sequence samples were analyzed by classical method and geostatistics to characterize the spatial distribution pattern of C.
     为揭示二化螟幼虫空间格局特征并阐明经典格局分析的局限性与地统计分析的优越性 ,从 2个原始样本出发 ,另构建了一系列格栅样本、随机样本和顺序样本并进行了比较研究 .
短句来源
     The water conservation function of vegetation ecosystem and spatial distribution pattern were analyzed, based on function and spatial distribution pattern that is hotspot of landscape ecology and forest hydrology, choosing vegetation-soil-slop complex in Qinling Mountains area of Shaanxi as research object, using GIS software such as Arcview3.2/ArcGis8.12, thinking over the levels of the macro-, meso-, and small scales.
     本研究基于功能和空间格局这一景观生态学和森林水文学的热点,选取秦岭山地陕西境内的植被-土壤-坡度复合体为研究对象,采用ArcView3.2、ArcGis8.12等地理信息系统软件,从小尺度、中尺度和大尺度具体分析秦岭山地(植被)的水源涵养功能和空间分布格局,并提出生态保育策略。
短句来源
     Study on the Spatial Distribution Pattern of Hemiberlesia pitysophila Takagi
     松突圆蚧种群分布的空间格局研究
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  spatial pattern
tabulaeformis forests with a clumped spatial pattern but rarely appeared in other forest types, indicating that P.
      
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.
      
The spatial pattern of the broad-leaved Korean pine forest changing from clumped to random distribution is influenced by biological characteristic, the adaptive strategy of tree species and the natural disturbance in its entire 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.
      
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  spatial distribution
These differences were analyzed and discussed, and some basic rules of spatial distribution of landscape elements were proposed.
      
In November 2003 and June 2004, the insect borers and their spatial distribution within Pinus massoniana were investigated in Zhoushan City, in East China's Zhejiang Province, where pine wood nematode (Bursaphelenchus xylophilus) are typically found.
      
Spatial distribution pattern, scale and gap characteristics of Pinus armandii population in Qinling Mountains, China
      
Based on the data collected from 27 plots of the Pinus armandii community in Qinling Mountains, we studied the spatial distribution pattern, scale, and gap characteristics of the P.
      
kwangtungensis; 4) variability in spatial distribution among the 105 canopy tree species could be attributed to variations to site environmental factors.
      
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  spatial patterns
Here, we suggest a method for adjusting boundary effect in the analysis of spatial patterns at different stages of development of the broad-leaved Korean pine forest.
      
In order to explain the spatial patterns of interception, we adopted grid-sampling method to install rain-gauges to measure throughfall.
      
Many studies have demonstrated the changes in the spatial patterns of plant and animal communities with respect to habitat fragmentation.
      
The DRT was found to be an effective approach to the anisotropy analysis of spatial patterns of plant populations.
      
Comparison of the genetic variation surveyed by starch gel electrophoresis to allozyme polymorphism indicated that morphological diversity is a good metric for quantifying spatial patterns of biodiversity.
      
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  spatial distribution pattern
Spatial distribution pattern, scale and gap characteristics of Pinus armandii population in Qinling Mountains, China
      
Based on the data collected from 27 plots of the Pinus armandii community in Qinling Mountains, we studied the spatial distribution pattern, scale, and gap characteristics of the P.
      
This mainly depended on biological features of Larix principis-rupprechtii and forest environments, but it also meant that the scale was an important factor in controlling spatial distribution pattern of tree individuals.
      
Spatial distribution pattern of populations ofIsoetes sinensis palmer, an endangered Quillwort in China
      
Spatial distribution pattern of COD shows that it decreased downstream.
      
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