东北黑土区耕地利用效益空间差异及影响因素分析OA北大核心CHSSCDCSTPCD

Farmland utilization benefit is used as necessary prerequisite for evaluating the degree of the coordination in regional farmland utilization,which is also an important guarantee to make agriculture develop efficiently and sustainably.Taking the black soil region in Northeast as the research area and applying the system theory for farmland utilization,this paper constructed an"economic-social-ecological"benefit framework is constructed to analyze the spatial differences and the influencing factors of the benefits of the Northeast black soil region in 2020 by the comprehensive evaluation method,the exploratory data analysis method and the geographic detector model.Results show that:1)In general,the comprehensive benefits,the economic benefits and the ecological benefits of farmland utilization are decreasing from the southern and central plain areas to the western and northern gentle slope areas,while the social benefits are decreasing from the south to the north;2)In general,the comprehensive benefit of farmland utilization shows the characteristics of significant agglomeration.High agglomeration is mainly distributed in the southern part of Liaoning Province and the county-level areas in the north of Heilongjiang Province.And low agglomeration is concentrated in the county-level areas of eastern Inner Mongolia and central of Jilin Province,and 3)As for the influencing factors,climate,the degree of agricultural mechanization and the replanting index are used as key influencing factors in the comprehensive benefits of black soil farmland utilization.And the interaction among factors has a more significant impact.To improve the benefit of farmland utilization in the black soil area and to achieve efficient utilization and sustainable development of agricultural resources,this paper suggests to give full play of the promoting role of rural revitalization cooperation,protection of management mechanisms,comprehensive agricultural measures and green technological innovation.