Fig 1.
Location map of Henan Province.
Table 1.
Description of data sources.
Fig 2.
Spatial distribution of cultivated land quality in Henan Province.
Fig 3.
Comparison of CLQGCA with natural grade of cultivated land quality.
Fig 4.
Henan province cultivated land quality index Moran scatter plot.
a. The natural grade, b. CLQGCA.
Table 2.
Types of local spatial autocorrelation and statistical summary of county in Henan province.
Fig 5.
Local space autocorrelation LSA map: a) the natural level LSA map, and b) the CLQGCA LSA map.
Fig 6.
Bivariate spatial autocorrelation scatter plot.
Fig 7.
Bivariate local spatial autocorrelation LSA map.
Table 3.
Classical model.
Table 4.
Spatial correlation test.
Table 5.
LAG model.
Table 6.
Error model.
Fig 8.
Regression model graph.
Fig 9.
Identification of key protected areas in Henan Province.
Table 7.
Zoning of cultivated land protection based on local spatial autocorrelation in Henan province.