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Regional differences and convergence of urban land green use efficiency in China under the constraints of carbon neutrality

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Abstract

Exploring the regional differences and convergence of urban land green use efficiency (ULGUE) is of great significance for urban green development and the goal of carbon neutrality. Based on the panel data of 282 prefecture-level cities in China from 2006 to 2019, this paper uses the SBM-Undesirable model to calculate ULGUE in China, then uses Dagum Gini coefficient decomposition, coefficient of variation and panel data model to reveal the regional differences and convergence of ULGUE. The results show that ULGUE in China increased from 0.441 to 0.555 in 2006–2019. The number of cities in the medium–low efficiency range is dominant, accounting for more than 54%. There are differences in ULGUE among the three major regions, which shows the distribution pattern of west > east > central. ULGUE in China has significant spatial agglomeration characteristics, and its overall, intra-regional and inter-regional differences show a downward trend. Over-variable density is the main source of the overall difference, with an average contribution rate of 49.71%. ULGUE across the country and in the three regions of east, central and west in China exist significant σ convergence, absolute β and conditions β convergence. The research results are helpful to objectively evaluate ULGUE in China, and provide decision-making reference for promoting the green, low-carbon and sustainable use of urban land and achieving the goal of carbon neutrality.

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Notes

  1. The eastern region includes Beijing, Tianjin, Hebei, Liaoning, Shanghai, Jiangsu, Zhejiang, Fujian, Shandong, Guangdong, Hainan and Guangxi Zhuang Autonomous Region. The central region includes Shanxi Province, Inner Mongolia Autonomous Region, Jilin Province, Heilongjiang Province, Anhui Province, Jiangxi Province, Henan Province, Hubei Province and Hunan Province. The western region includes Chongqing, Sichuan, Guizhou, Yunnan, Shaanxi, Gansu, Ningxia Hui Autonomous Region, Qinghai and Xinjiang Uygur Autonomous Region.

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Acknowledgements

This research was supported by grants from National Natural Science Foundation of China (No. 71904087); Anhui Ecology and Economic Development Research Center (No. AHST2021010; No.AHST2019016); "Research on the Impact of Government Procurement on Green Innovation in Enterprises" project of the Anhui New Age Education Quality Project.

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XF Conceptualization, Data curation, Methodology, Writing—original draft, XJ Writing—review & editing.

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Correspondence to Xin Jiang.

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Appendix

Appendix

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Table 6 Representative literature of ULGUE

6,

Table 7 Sources of variation and contributions of ULGUE

7.

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Fan, X., Jiang, X. Regional differences and convergence of urban land green use efficiency in China under the constraints of carbon neutrality. Environ Dev Sustain 26, 23499–23525 (2024). https://doi.org/10.1007/s10668-023-03607-0

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