[1]Lyu Tiangui,Fu Shufei,Hu Han,et al.Spatiotemporal Differentiation Characteristics and Spatial Effects of Ecological Efficiency of Cultivated Land Use Based on the Constraints of Agricultural Green Transformation[J].Research of Soil and Water Conservation,2024,31(01):269-279,289.[doi:10.13869/j.cnki.rswc.2024.01.029]
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Spatiotemporal Differentiation Characteristics and Spatial Effects of Ecological Efficiency of Cultivated Land Use Based on the Constraints of Agricultural Green Transformation
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
31
Number of periods:
2024 01
Page number:
269-279,289
Column:
Public date:
2024-02-20
- Title:
- Spatiotemporal Differentiation Characteristics and Spatial Effects of Ecological Efficiency of Cultivated Land Use Based on the Constraints of Agricultural Green Transformation
- Keywords:
- green transformation of agriculture; cultivated land use; ecological efficiency; spatiotemporal differentiation characteristics; main grain producing areas in the middle reaches of the Yangtze River
- CLC:
- F301.2
- DOI:
- 10.13869/j.cnki.rswc.2024.01.029
- Abstract:
- [Objective] The aim of this study is to explore the spatiotemporal differentiation and spatial effects of ecological efficiency in cultivated land use in major grain producing areas based on the constraints of agricultural green transformation can provide theoretical support for formulating ecological farming policies. [Methods] The SBM-Undesirable model was applied to evaluate the cultivated land use ecological efficiency in the middle reaches of Yangtze River from 2005 to 2019, and its spatiotemporal characteristics and influencing factors were analyzed by combining the Dagum Gini coefficient and geotemporal weighted regression model. [Results](1)The overall ecological efficiency of cultivated land use in the main grain producing regions in the middle reaches of the Yangtze River increased from 0.425 to 0.674 from 2005 to 2019, with a large spatial difference in efficiency values but a decrease in the degree of difference.(2)The spatial non-equilibrium of the ecological efficiency of cultivated land use was significant and gradually decreasing, with the Gini coefficient decreasing from 0.265 to 0.185 and the degree of regional spatial disequilibrium was shown as Hunan>Hubei>Jiangxi.(3)Per capita GDP, effective irrigation rate and financial support for agriculture had a positive impact on the ecological efficiency of cultivated land use in the study area, while the multiple cropping index and urban-rural income gap had a negative impact. [Conclusion] The ecological efficiency of cultivated land use in the main grain producing areas in the middle reaches of the Yangtze River was on the rise, but the spatial imbalance was significant, and influenced by multiple factors such as nature, economy, society, technology, and policies. In the future, farmers should be motivated to produce green cultivated land and reduce pollution emissions, as well as to promote balanced green cultivated land use technologies to improve the overall resource allocation efficiency of the region.
- References:
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Last Update:
2024-02-20