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spatial distribution
    A Study on the Spatial Distribution Patterns of Lymantria xylina Swinhoe and Its Application
    木毒蛾空间格局及其应用研究
    A STUDY ON SPATIAL DISTRIBUTION PATTERN AND SPATIAL PATTERN OF Agistemus terminalis (Quayle )
    细毛神蕊螨Agistemusterminalis(Quayle)空间分布型和空间格局的研究
    Spatial Distribution Patten of Plutella Xylostella.
    菜蛾Plutella Xylostella(linne’)种群空间格局研究
    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
    Some Test Problems in the Study of Spatial Distribution of Insects Populations
    昆虫种群空间格局研究中的几个检验问题
    Spatial Distribution of Soil Nutrient and Relationship Between Soil Nutrient and Soil Granule Composition for Grain Crop Region
    粮田土壤养分的空间格局及其与土壤颗粒组成之间的关系
    Preliminary study on the spatial distribution pattern and sampling technique of larvae of Dendrolimus kikuchii Matsumura
    思茅松毛虫幼虫空间格局与抽样技术的初步研究
    Analysis methods of stand spatial distribution pattern
    林分空间格局的研究方法
    Dynamic Analyses of Spatial Distribution Pattern of Patana phyllostachysaeChao
    刚竹毒蛾空间格局动态分析
    An Analysis of the Spatial Distribution Patterns of Atmospheric Pollution in Huludao City
    葫芦岛市空气污染空间格局分析
    Study on the spatial distribution pattern of the anthracnose of southern Chinese yew
    南方红豆杉炭疽病病株空间格局
    Preliminary study on spatial distribution pattern of Bipectilus zhejiangensis larva
    浙江栉蝠蛾幼虫空间格局的研究
    Spatial distribution of water quality parameters in Spring in Taihu lake estimated by Kriging interpolation
    太湖春季水质参数空间格局分布的克里格内插估计
    Spatial distribution of the Oriental migratory locust (Orthoptera: Acrididae) egg pods studied with GIS and GS
    基于GIS和GS的东亚飞蝗卵块空间格局的研究
    Spatial distribution patterns of seedling emergence of Aristida pennata in Gurbantonggut Desert
    古尔班通古特沙漠羽毛三芒草(Aristida pennata)幼苗形成的空间格局分析
    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。
    structure of spatial distribution is relatively steady.
    县际经济差异的空间格局比较稳定,分布相对均衡。
    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。
    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。
    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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