Measurement and Comprehensive Zoning of Land Space Utilization Efficiency in Yunnan Province from Low Carbon Perspective

Tao Junyi; Ye Xianmin; Wang Xiaobao; Zhou Yuqin; Ran Yuju; Xiong Bo; Dong Wenwen; Zhao Xiaoqing

doi:10.13961/j.cnki.stbctb.2024.05.037

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Measurement and Comprehensive Zoning of Land Space Utilization Efficiency in Yunnan Province from Low Carbon Perspective

- Measurement and Comprehensive Zoning of Land Space Utilization Efficiency in Yunnan Province from Low Carbon Perspective
- Bulletin of Soiland Water Conservation Vol. 43, Issue 5, Pages: 347-357(2024)
- 作者机构：
  
  1. 云南大学地球科学学院,云南,昆明,650500
  2. 云南大学国际河流与生态安全研究院,云南,昆明,650500
  3. 云南省国土资源规划设计研究院,云南,昆明,650500
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2024.05.037
  CLC： K901
- Published：2024
- 稿件说明：
移动端阅览
Tao Junyi, Ye Xianmin, Wang Xiaobao, et al. Measurement and Comprehensive Zoning of Land Space Utilization Efficiency in Yunnan Province from Low Carbon Perspective[J]. Bulletin of Soiland Water Conservation, 2024, 43(5): 347-357.
DOI：

Tao Junyi, Ye Xianmin, Wang Xiaobao, et al. Measurement and Comprehensive Zoning of Land Space Utilization Efficiency in Yunnan Province from Low Carbon Perspective[J]. Bulletin of Soiland Water Conservation, 2024, 43(5): 347-357. DOI： 10.13961/j.cnki.stbctb.2024.05.037.

摘要

[目的

]

在碳中和背景下进行云南省国土空间利用效率测度及空间综合分区，为提出差异化国土空间低碳、高效发展策略提供科学参考。[方法

]

利用2020年云南省16个州市单元面板数据，基于非期望超效率SBM模型测度低碳视角下的国土空间利用效率，并结合碳效益指数划分综合分区，提出各区优化建议。[结果

]

①2020年云南省碳排放量为1.23×10

t，其中生产空间碳排放远大于生活空间，前者几乎是后者的31倍，碳吸收量为1.40×10

t，仅为碳排放量的1/10。②2020年云南省国土空间利用效率仅为0.628，呈现出滇中和滇西北较高，滇东、滇西南较低的空间分布格局；具体到各州市，仅西双版纳、迪庆和玉溪达到高效利用，效率最大值为1.430，而昭通市利用效率最低，仅为0.490。③基于国土空间利用效率与碳效益指数，最终形成低碳保持—高效率、碳汇功能—高效率、碳汇功能—中等效率、碳汇功能—低效率、碳强度控制—高效率、碳强度控制—中等效率和高碳优化—低效率7个综合分区，并提出各区差异化管治策略。[结论

]

当前云南省碳吸收远不足以抵消碳排放，整体表现为碳源，国土空间利用仍较为粗放，利用效率还有很大提升潜力，国土空间利用效率分布具有明显的区域非均衡性，在制定国土空间低碳发展与高效利用策略时应予以重视。

Abstract

[Objective] The measurement of land space use efficiency and comprehensive spatial zoning in Yunnan Province were studied

considering carbon neutrality

provide a reference for proposing differentiated low-carbon and high-efficiency land space development strategies. [Methods] Using 2020 panel data of 16 municipal units in Yunnan Province

the spatial utilization efficiency of the national territory under the low-carbon perspective were measured based on the non-expected output super-efficiency SBM model

and comprehensive zoning were performed considering the carbon efficiency index; subsequently

optimization suggestions for each zone are put forward. [Results] ① The carbon emission in Yunnan Province in 2020 was 1.23×108 tonnes

with production-space-related emissions accounting for a much larger proportion than living-space-related emissions: the former was almost 31 times as much as the latter. Further

carbon absorption was 1.40×107 tonnes

which is only one-tenth of the carbon emission. ② In 2020

the land space utilization efficiency of Yunnan Province was only 0.628

showing a spatial distribution pattern that is higher in central and northwestern Yunnan

and lower in eastern and southwestern Yunnan. Specifically

only Xishuangbanna

Diqing and Yuxi reached high efficiency utilization

with the maximum efficiency of 1.43

while Zhaotong had the lowest utilization efficiency of 0.49. ③ Based on the land space utilization efficiency and the carbon efficiency index

7 comprehensive zones-Low carbon retention-High efficiency

Carbon sink function-High efficiency

Carbon sink function-Moderate efficiency

Carbon sink function-Low efficiency

Carbon intensity control-High efficiency

Carbon intensity control-Moderate efficiency

and High carbon optimization-Low efficiency-are derived

and a differentiated governance strategy for each zone is put forward. [Conclusion] At present

carbon absorption in Yunnan Province is far from enough to offset carbon emissions

and the overall performance is carbon source. The utilization of territorial space is still relatively extensive

and there is great potential to improve utilization efficiency. The distribution of territorial space utilization efficiency has obvious regional imbalance

and attention should be paid to the formulation of low-carbon development and efficient utilization strategies for territorial space.

关键词

Keywords

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