The research selected five indices to measure fragmentation degrees of three landforms with GIS and analyzed the relationship with production profits of arable lands. The results showed that fragmentation degree of ar...The research selected five indices to measure fragmentation degrees of three landforms with GIS and analyzed the relationship with production profits of arable lands. The results showed that fragmentation degree of arable lands tends to be volatile upon landforms, For example, the fragmentation degree of mountainous area reached 0.985, followed by hills of 0.705 and the fragmentation degree of plains was the least at 0.068. Production profits of arable lands were negatively correlated with arable landscape fragmentation. Hence, it is necessary to take measures to reduce landscape fragmentation as per specific local circumstances to imorove production Drofits.展开更多
文摘The research selected five indices to measure fragmentation degrees of three landforms with GIS and analyzed the relationship with production profits of arable lands. The results showed that fragmentation degree of arable lands tends to be volatile upon landforms, For example, the fragmentation degree of mountainous area reached 0.985, followed by hills of 0.705 and the fragmentation degree of plains was the least at 0.068. Production profits of arable lands were negatively correlated with arable landscape fragmentation. Hence, it is necessary to take measures to reduce landscape fragmentation as per specific local circumstances to imorove production Drofits.