| 基于地学统计学的TMV空间分布格局分析 |
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| 引用本文： | 魏国胜,白胜,黄典,刘凡军,夏鹏亮.基于地学统计学的TMV空间分布格局分析[J].安徽农业科学,2012,40(4):2085-2086. |
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| 作者姓名： | 魏国胜 白胜 黄典 刘凡军 夏鹏亮 |
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| 作者单位： | 湖北省烟草公司恩施州公司,湖北恩施,445600;湖北省烟草公司恩施州公司,湖北恩施,445600;湖北省烟草公司恩施州公司,湖北恩施,445600;湖北省烟草公司恩施州公司,湖北恩施,445600;湖北省烟草公司恩施州公司,湖北恩施,445600 |
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| 基金项目： | 现代烟草农业-丁寨基地单元项目 |
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| 摘 要： | 运用地学统计学的方法,建立了烟草普通花叶病(TMV)在东西、南北2个方向上的半变异函数模型,研究了TMV在空间大尺度上的分布格局。结果表明,在东西和南北2个方向上该病害的分布模型均为线性有基台模型,在调查范围内其空间格局为聚集型;在东西、南北2个方向上的空间依赖范围分别为29.953 4和47.813 8 km,其空间变异度分别为95.71%和80.05%,说明其具有较强的空间相关性。通过Kriging插值法得出的等值线图,可清晰地看出其空间聚集模式。
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| 关 键 词： | 地学统计学 烟草普通花叶病 等值线图 |
Analysis of Spatial Distribution Pattern of Tobacco Mosaic Virus(TMV) based on Geostatistics |
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| Institution: | WEI Guo-sheng et al(Hubei Enshi Tobacco Company,Enshi,Hubei 445600) |
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| Abstract: | Using geostatistical method,the semivariogram models of tobacco mosaic virus(TMV) in east-west and north-south directions were established,and the distribution pattern of TMV in large scale space was studied.The results showed that the distribution pattern of the disease in east-west and north-south directions belonged to line model with abutment,and the spatial distribution pattern within the investigated areas was aggregated model.The spatial correlation distances in east-west and north-south directions were 29.953 4 and 47.813 8 km,and the spatial variabilities were 95.71% and 80.05%,respectively.This indicated that they had strong spatial correlation.Isoline map accessed by Kringing interpolation method could clearly reflect the spatial aggregated model. |
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| Keywords: | Geo-statistics TMV Isoline map |
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