耕地绿色低碳利用绩效的时空分异及驱动因素研究OA

Explorations into the green and low-carbon cultivated land utilization performance were conducted to establish an environmentally friendly,low-carbon emission-reduction and sustainable production-oriented cultivated land resource system,through which the sustainable development of agriculture was realized.Based on the three-dimensional framework of"greenness-low carbon-economy",a comprehensive system evaluation model,a spatial analysis model,and an econometric regression model were synthetically adopted,and the spatio-temporal differentiation characteristics and driving factors of green and low-carbon cultivated land utilization performance across China were investigated.The results showed that the stage characteristics of"slow decline-mild fluctuating growth-accelerated growth"were identified for the green and low-carbon cultivated land utilization performance of 31 provincial-level regions in China from 2008 to 2022.An overall spatial pattern of higher values in the northern and western regions and lower values in the southern and eastern regions was detected for the utilization performance,and regional disparities were found to converge over time.Significant positive spatial autocorrelation was verified for the utilization performance across all provincial-level units,and local spatial agglomerations were dominated by high-high and low-low clusters.Remarkably positive impacts on the utilization performance were detected from cropping structure adjustment and agriculture-related expenditures,while significantly negative influences were measured for the current level of scientific and technological input.Optimization of cropping structures,construction of collaborative mechanisms for cultivated land protection,and full play to the leading role of high-performance regions were proposed for the future,so that comprehensive improvements in the green and low-carbon utilization performance of cultivated land could be promoted.