
碳中和背景下的中国碳汇林业生产效率时空分异及影响因素研究
师玮, 赵思雪, 乔富伟, 安怡, 王维鹃, 张国炜
南京林业大学学报(自然科学版) ›› 2025, Vol. 49 ›› Issue (3) : 254-264.
碳中和背景下的中国碳汇林业生产效率时空分异及影响因素研究
Spatiotemporal differentiation and influencing factors of forestry production efficiency with carbon sequestration in China under the context of carbon neutrality
【目的】探讨碳汇林业生产效率并探究其关键影响因素是助力中国林业高质量发展的重要出发点,可为制定差异化林业发展政策提供必要的依据,也为有效促进中国林业资源优化配置和区域协同均衡发展提供参考。【方法】采用蓄积量拓展法、SBM(Slack-Based Measure)模型、Dagum基尼系数和Tobit模型等方法,分析了2003—2018年中国31个省份的碳汇林业经济价值和各项效率水平,并在此基础上深入分析了综合效率、纯技术效率和规模效率动态变化及其时空分异情况,探究其关键影响因素。【结果】中国的林业碳汇储存量整体上水平较高,其中林业碳汇经济价值最高的3个省区依次为西藏、四川、云南;综合效率、纯技术效率与规模效率呈现出显著的区域性差异,具有明显的空间集聚特征;区域间差异和区域内差异是中国碳汇林业生产效率的区域差异主要来源;林业产值比重与林业人力资本投入对中国碳汇林业生产效率起促进作用,而人均GDP和森林病虫鼠害发生情况对碳汇林业生产效率起抑制作用。【结论】中国林业发展可通过推进林业资源的高效利用、缩小区域发展的效率差异以及把握关键影响因素,从而实现碳汇林业的高质量发展。
【Objective】This study aims to investigate the production efficiency of carbon sequestration forestry and identify its key influencing factors. This exploration serves as a crucial foundation for the high-quality development of forestry in China. It not only provides essential insights for formulating differentiated forestry development policies but also facilitates the optimal allocation of forestry resources and promotes coordinated and balanced regional development across the country.【Method】The economic value and efficiency levels of carbon sequestration forestry in 31 provinces of China from 2003 to 2018 were evaluated using the volume expansion method, SBM model, Dagum Gini coefficient, and Tobit model. Building on this analysis, the study delved into the dynamic changes in comprehensive efficiency, pure technical efficiency, and scale efficiency, as well as their spatiotemporal differentiation. Additionally, the key influencing factors were systematically explored.【Result】The findings revealed that China’s forestry carbon sequestration storage level was relatively high, with Xizang, Sichuan, and Yunnan being the top three provincial area in terms of forestry carbon sequestration economic value. Comprehensive efficiency, pure technical efficiency, and scale efficiency exhibited significant regional disparities and demonstrated distinct spatial agglomeration characteristics. Both inter-regional and intra-regional differences were identified as the primary sources of regional variations in the production efficiency of carbon sequestration forestry in China. The proportion of forestry output value and investment in forestry human capital were found to positively influence the production efficiency of China’s carbon sequestration forestry, whereas per capita GDP and the incidence of forest diseases, pests, and rodents exerted a restraining effect.【Conclusion】China’s forestry development can achieve high-quality growth in carbon sequestration forestry by enhancing the efficient utilization of forestry resources, reducing regional efficiency disparities, and addressing key influencing factors. This approach will contribute to the sustainable and balanced advancement of the forestry sector.
碳汇林业 / 生产效率 / SBM模型 / Dagum基尼系数 / Tobit模型
carbon sequestration forestry / production efficiency / SBM model / Dagum Gini coefficient / Tobit model
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