Position: Home > Articles > The Study of Spatial Disparity Factors of Soil Surface Organic Matter under the Farmland Scale
Hubei Agricultural Sciences
2016,55
(12)
3036-3041
农田尺度下影响土壤表层有机质空间分异性的因子研究
作 者：
皮龙风;齐清文;梁启章;张岸;李肖锋
单 位：
武汉大学资源与环境科学学院;中国科学院地理科学与资源研究所;山东科技大学测绘科学与工程学院
关键词：
数据采样;地统计分析;普通克里金插值;空间相关性;Moran指数
摘 要：
为研究在农田尺度下,对土壤表层(0~25 cm)有机质产生影响的空间分异性因子,通过对采样的土壤样本进行理化分析,运用Arc GIS10和Geo Da软件对土壤有机质数据进行地统计分析、普通克里金插值和空间相关性分析等研究,得出在研究区内土壤表层有机质的空间分异与地形因子呈现负相关性,并且护田林对土壤表层有机质的空间分异影响显著。原因是地形通过地表径流从而间接影响土壤表层有机质的空间分异,而护田林则通过根茎叶等直接影响其周围地带的土壤有机质的空间分异。
译 名：
The Study of Spatial Disparity Factors of Soil Surface Organic Matter under the Farmland Scale
作 者：
PI Long-feng;QI Qing-wen;LIANG Qi-zhang;ZHANG An;LI Xiao-feng;Surveying and Mapping Institute of Science and Engineering ,Shandong University of Science and Technology;Institute of Geographic Sciences and Natural Resources Research , CAS;College of Resource and Environmental Science , Wuhan University;
关键词：
data sampling;;geostatistical analyst;;ordinary Kriging interpolation;;spatial correlation;;Moran index
摘 要：
In order to study the spatial disparity factors of soil surface(0~25 cm) organic matter under the farmland scale,this article conducted the physical and chemical analysis for the soil samples. Arc GIS10 and Geo Da software were used for geostatistical analysis, ordinary Kriging interpolation and spatial correlation analysis of the soil organic matters. The results showed that the spatial disparity of soil organic matter in the studied area presents a negative correlation with topographic factors and is significantly influenced by the protective forest. The reason is that the terrain indirectly affected the spatial differentiation of soil organic matter through surface runoff,while protective forest directly influenced it through root leaf.
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