南方红壤丘陵区水土保持生态服务功能提升研究进展——以江西省兴国县塘背河小流域为例
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国家重点研发计划课题“高效开发型水土流失治理技术集成与示范”(2017YFC0505405);江西水利科技重大项目(201821ZDKT17;KT201716)


Progress of Researches on Enhancing Soil Erosion Control and Ecological Services in Red Soil Hilly Region of South China—A Case Study at Tangbei River Watershed of Xingguo County, Jiangxi Province
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    [目的] 总结和探讨南方红壤丘陵区水土保持生态服务功能的提升途径,为该区水土保持生态建设、脱贫致富和社会经济可持续发展提供科学借鉴。[方法] 以江西省兴国县塘背河小流域为例,基于相关科学研究和文献资料,在综合考虑不同生态服务功能之间的关系基础上,开展以水土保持服务功能提升为核心的关键技术研究。[结果] 在系统梳理塘背河小流域治理成效的基础上,指出崩岗侵蚀、林分结构单一和林下流、规模化经果林开发导致的局部水土流失恶化和生态系统脆弱等问题依然存在,亟需从前期侧重遏制水土流失为主的生态修复转向生态系统服务功能整体提升为主的新阶段,这是南方红壤丘陵区普遍存在的问题。[结论] 建议以生态系统服务提升为核心目标,从不同服务之间权衡与协同关系和水土保持服务的空间流动等基础科学问题研究入手,研发水土保持生态服务功能提升关键技术(包括权衡与协同土壤保持与生物多样性、水源涵养和固碳增汇等服务功能之间的关系),并构建生态和社会经济协调发展的生态服务功能提升综合模式,打造塘背河小流域“升级版”和“扩展板”,以促进研究成果的转化,服务南方红壤丘陵区生态环境保护与可持续高质量发展。

    Abstract:

    [Objective] The approaches to improve the ecological service of soil and water conservation in the red soil hilly region of the South China were reviewed and discussed in order to provide scientific reference for the ecological construction of soil and water conservation, poverty alleviation, and sustainable development of social economy in this area.[Methods] Taking Tangbei River watershed in Xingguo County of Jiangxi Province as a case study, based on the relevant scientific research literatures, and considering the relationship between different ecological service functions, the key technology research focusing on the improvement of soil and water conservation service function was carried out.[Results]Although remarkable achievements has been made in the comprehensive control of soil erosion, Tangbei River watershed is still faced with serious soil erosion problems, such as collapse erosion, serious soil erosion under forest, soil erosion caused by large-scale economic fruit forest development, and fragile ecosystems. It was urgent to shift the focus from the prevention of soil erosion to the improvement of ecosystem services.[Conclusion] The key technologies for the promotion of soil and water conservation ecological services (such as the relationship between the balance and coordination of soil and water conservation and biological diversity, water conservation and carbon sequestration) should be developed based on the basic scientific issue such as the trade-offs and synergies among different ecosystem services and spatial mobility of soil and water conservation services. The comprehensive model for harmonious development of ecology and social economy should be constructed, and a "upgraded version" and "expanded version" of Tangbei River watershed should be built, in order to promote the transformation and application of research results, and serve the protection and construction of local ecological environment, as well as sustainable and high quality development of the red soil hilly region in the South China.

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肖胜生,王聪,郭利平,宋月君,汤崇军.南方红壤丘陵区水土保持生态服务功能提升研究进展——以江西省兴国县塘背河小流域为例[J].水土保持通报,2019,39(6):289-294

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  • 收稿日期:2019-08-13
  • 最后修改日期:2019-11-05
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  • 在线发布日期: 2020-01-17
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