The Impact of Ecological Restoration Measures on Carbon Storage: Spatio-Temporal Dynamics and Driving Mechanisms in Karst Desertification Control

Shui Li, Pingping Yang (), Changxin Yang, Haoru Zhang and Xiong Gao
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Shui Li: School of Karst Science, Guizhou Normal University, Guiyang 550001, China
Pingping Yang: School of Karst Science, Guizhou Normal University, Guiyang 550001, China
Changxin Yang: School of Karst Science, Guizhou Normal University, Guiyang 550001, China
Haoru Zhang: School of Karst Science, Guizhou Normal University, Guiyang 550001, China
Xiong Gao: School of Karst Science, Guizhou Normal University, Guiyang 550001, China

Land, 2025, vol. 14, issue 9, 1-21

Abstract: Karst landscapes, characterized by ecological constraints such as thin soil layers, severe rock desertification, and fragile habitats, require a clear understanding of the mechanisms regulating carbon storage and the impacts of ecological restoration measures. However, current research lacks detailed insights into the specific effects of ecological restoration measures. This study integrates multi-source remote sensing data and adjusts InVEST model parameters to systematically reveal the spatiotemporal evolution of carbon storage and its driving mechanisms in typical karst plateau regions of southwest China under ecological restoration measures. The results indicate: (1) From 2000 to 2020, the carbon stock in the study area increased by 6.09% overall. However, from 2020 to 2025, due to the rapid conversion of forest land into building land and grassland, the carbon stock decreased sharply by 7.69%. (2) Severe rock desertification constrains carbon stock, and afforestation provides significantly higher long-term carbon sink benefits. (3) The spatial heterogeneity of carbon storage is primarily influenced by the combined effects of natural factors (rock desertification, elevation, NDVI) and human factors (POP). Based on the research findings, it is recommended that measures to promote close forests be prioritized in karst regions to protect and restore forest ecosystems. At the same time, local habitat improvement and the establishment of ecological compensation mechanisms should be implemented, and the expansion of building land should be strictly controlled to enhance the stability of ecosystems and their carbon sink functions. These research findings provide a solid scientific basis for enhancing and precisely regulating the carbon sink capacity of fragile karst ecosystems, and are of great significance for formulating scientifically sound and reasonable ecological protection policies.

Keywords: karst plateau; ecological restoration measures; carbon stocks; InVEST model; drivers (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2025
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