Ecosystem Services Supply‐Demand Mismatch and Their Drivers in Highly Spatially Heterogeneous South China Karst Ecoregions

IF 3.6 2区农林科学 Q2 ENVIRONMENTAL SCIENCES

Land Degradation & Development Pub Date : 2024-11-21 DOI:10.1002/ldr.5396

Yi Chen, Kangning Xiong, Lu Luo, Jiaying Chen

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Abstract

Understanding the issues of natural capital, group consumption, and the role of internal and external factors in discussions on the sustainability of ecosystem services (ES) can help to realize sustainable socio‐ecological system management. However, previous studies have complemented ecological management practices from a holistic or ES supply perspective, with little consideration of spatial and temporal differences in supply–demand mismatches across ecoregions. On the basis of the frameworks of spatial quantification, matching analysis, driver identification, and management strategy development, this study explores the differences in the supply and demand of key ES in various ecological zones of the South China Karst (SCK) and employs correlation analyses to reveal the direction and degree of influence of the drivers on the mismatch of supply and demand. Furthermore, valuable ecological management strategies are provided. The results showed that, in general, the supply of habitat quality (HQ) and carbon sequestration (CS) decreased, and the supply capacity for soil conservation (SC), food provision (FP), and water yield (WY) improved. The demand for WY decreased, whereas the demand for all other services increased to varying degrees. Except for the SC imbalance, the supply and demand of other ES matched well, with localized mismatch areas concentrated around the city. These gradually evolved from a point distribution to a continuous type of line or even surface distribution from 2000 to 2020. The temporal and spatial variability of ES was evident in different ecoregions, and key socio‐ecological drivers were inconsistent in their ability to explain ES supply and demand mismatches, especially in medium‐high mountain regions. Additionally, we provide valuable spatial planning and ecological management strategies for future socioe‐cological system management on the basis of the results of different regional studies.

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高空间异质性华南喀斯特生态区域生态系统服务供需错配及其驱动因素

在有关生态系统服务（ES）可持续性的讨论中，了解自然资本、群体消费以及内部和外部因素的作用等问题有助于实现可持续的社会-生态系统管理。然而，以往的研究都是从整体或生态系统服务供给的角度来补充生态管理实践，很少考虑不同生态区域供需错配的时空差异。本研究在空间量化、匹配分析、驱动因素识别和管理策略制定等框架的基础上，探讨了华南喀斯特各生态区关键ES的供需差异，并采用相关分析揭示了驱动因素对供需错配的影响方向和影响程度。此外，还提供了有价值的生态管理策略。结果表明，总体而言，栖息地质量（HQ）和碳封存（CS）的供给减少，土壤保持（SC）、食物供给（FP）和水产量（WY）的供给能力提高。对 WY 的需求减少了，而对所有其他服务的需求都有不同程度的增加。除水土保持失衡外，其他环境服务的供需匹配良好，局部不匹配区域集中在城市周边。从 2000 年到 2020 年，这些地区逐渐从点状分布演变为连续的线状甚至面状分布。在不同的生态区域，ES 的时空变异性非常明显，主要的社会生态驱动因素在解释 ES 供需错配方面的能力也不一致，尤其是在中高山区。此外，我们还在不同区域研究结果的基础上，为未来的社会生态系统管理提供了有价值的空间规划和生态管理策略。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Land Degradation & Development 农林科学-环境科学

CiteScore

7.70

自引率

8.50%

发文量

379

审稿时长

5.5 months

期刊介绍： Land Degradation & Development is an international journal which seeks to promote rational study of the recognition, monitoring, control and rehabilitation of degradation in terrestrial environments. The journal focuses on: - what land degradation is; - what causes land degradation; - the impacts of land degradation - the scale of land degradation; - the history, current status or future trends of land degradation; - avoidance, mitigation and control of land degradation; - remedial actions to rehabilitate or restore degraded land; - sustainable land management.