With the rapid economic development and accelerated urbanization in China, the phenomenon of cropland non-grain transformation has become increasingly prominent, posing a significant threat to national food security. Cropland non-grain transformation refers to the conversion of land originally designated for grain production into non-grain purposes, such as industrial or urban construction land. This trend not only undermines the sustainability of grain production but also negatively impacts the ecological functions of land resources. Scientifically identifying the spatial distribution charact...
