南方典型红壤区竹节沟生态系统服务功能评价及经济价值
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S157.2

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江西省技术创新引导类计划项目“赣南水土保持生态治理技术模式优化集成与生态系统服务响应”(2022KSG01010)


Assessment of ecosystem services and economic valuation of bamboo-shaped ditches in typical red soil region of Southern China
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    摘要:

    [目的] 探究南方红壤丘陵区竹节沟的生态服务功能及价值,为同类水土保持措施的价值核算提供借鉴,并为竹节沟的推广应用提供支撑。[方法] 以江西省赣州市兴国县为研究区,通过地形勘测、野外调查采样及土壤理化性质检测,运用替代成本法、市场价值法等方法,综合分析竹节沟的土壤保持、水源涵养、固碳增汇、减轻面源污染等生态服务功能及其价值。[结果] 不同坡位竹节沟的土壤保持功能及价值上坡位最高,为74.86元/(m2·a);水源涵养功能及价值中坡位最高,为5.16元/(m2·a);固碳增汇功能及价值下坡位最高,为0.25元/(m2·a);减轻面源污染功能及价值上坡位最高,为0.34元/(m2·a)。不同坡位竹节沟生态服务功能总价值有所不同,其中上坡位78.63元/(m2·a),中坡位57.11元/(m2·a),下坡位60.51元/(m2·a)。[结论] 竹节沟措施在南方典型红壤区具有重要的生态服务功能价值,不同坡位展现出显著的生态服务功能价值差异。

    Abstract:

    [Objective] The ecosystem services and econormic value of bamboo-shaped ditches in the typical red soil region Southern China were explored, in order to provide references for the value accounting of similar soil and water conservation measures, and to offer a basis for the promotion and application of bamboo-shaped ditches. [Methods] Taking Xingguo County, Ganzhou City, Jiangxi Province as the study area, the ecosystem services such as soil conservation, water conservation, carbon sequestration and sink enhancement, and mitigation of non-point source pollution and their values in a bamboo-shaped ditch were comprehensively analyzed through using a topographic survey, as well as through field investigations, sampling, and testing of physicochemical properties of the soil, and applying the alternative cost and market value methods. [Results] The soil conservation function and value at different slopes was highest at the top of the slope 〔74.86 Yuan/(m2·a)〕 in the bamboo-shaped ditch; the water conservation function and value was highest in the middle of the slope 〔5.16 Yuan/(m2·a)〕; the carbon sequestration and sink enhancement function and value was highest at the bottom of the slope 〔0.25 Yuan/(m2·a)〕; and the mitigation of surface pollution function and value was highest at the top of the slope 〔0.34 Yuan/(m2·a)〕 . The total value of the ecological service function of the bamboo-shaped ditch varied at different slope gradients, specifically 78.63 Yuan/(m2·a) at the top of the slope, 57.11 Yuan/(m2·a)at the middle of the slope, and 60.51 Yuan/(m2·a)at the bottom of the slope. [Conclusion] Bamboo-shaped ditch measures have important ecological service function values in the typical red soil region in Southern China, and different slopes show significant differences in the value of ecological service functions.

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黄杰诗,汤崇军,伍冰晨,谢方杰.南方典型红壤区竹节沟生态系统服务功能评价及经济价值[J].水土保持通报,2025,45(2):171-180

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  • 收稿日期:2024-10-21
  • 最后修改日期:2024-12-19
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  • 在线发布日期: 2025-05-16
  • 出版日期: 2025-04-15