普通克立格法在昆虫生态学中的应用.pdfVIP

2003 1 14 1 CHINESE J URNAL F APPLIED EC L GY, Jan.2003,14( 1)!90~ 92 * * * 张润杰 周 强 陈翠贤 王寿松 ( / ,510275) , , . , , , . , 1 2 , . Kriging , , . ,, , . ,2 , ,,. Kriging 1001- 9332(2003) 01- 0090- 03 Q968. 1 A Application of ordinary Kriging method in entomologic ecology. ZHANG Runjie, ZH U Qiang, CHEN Cuixi an, WANG Shousong ( I nstitute of Entomology and State K ey L aboratoryf or B iocontrol , Zhongshan Universi ty , Guangz hou 510275, China . Chin. J . Ap p l. Ecol . ,2003, 14( 1) :90~ 92. Geostatistics is a statistic method based on regionalvariables and using the tool of variogram to analyze the spatial structure and the patterns of organism. In simulating the variogram within a great range, though optimal simu lation cannot be obtained, the simulation methodof a dialogue between human and computer can be used to opti mize the parameters of the spherical models. In this paper, the method mentioned above and the weighted poly nomial regression were utilized to simulate the onestep spherical model, the twostep spherical model and linear function model, and the available nearby samples were used to draw on the ordinary Kriging procedure, which provided a best linear unbiased estimate of the constraint of the unbiased estimation. T he sum of square deviation between the estimating and measuring values of varying theory models were figured out, and the relative graphs were shown. It was showed that the simulation based on the twostep spherical model was the best simulation, and the onestep spherical model was better than the linear function model. Key words rdinary Kriging method, Local variable, Variograms, Geost