水土保持研究2025，Vol.32Issue(3)：312-320,342,10.DOI:10.13869/j.cnki.rswc.2025.03.017
1990-2020年哈尼梯田水土保持服务功能量化与时空变化特征
Quantification and spatiotemporal variation characteristics of soil and water conservation service functions in Hani Terraces from 1990 to 2020
摘要
Abstract
[Objective]This study aims to systematically clarify the spatiotemporal evolution of soil and water conservation service functions in the Hani Terraces over the past 30 years,providing decision-making support and scientific reference for heritage conservation.[Methods]Taking the Honghe Hani Field World Cultural Heritage site as the research area,the InVEST model was applied to quantify soil and water conservation services based on factors such as precipitation erosivity,soil erodibility,slope length and steepness,vegetation coverage,crop management,and conservation measures.Empirical research was conducted to depict the spatiotemporal variation characteristics of the soil and water conservation service functions in the Hani Terraces from 1990 to 2020.[Results](1)The amount of soil retention in the Hani Terraces area from 1990 to 2020 fluctuated,with values of 604 million,517 million,537 million,434 million,500 million,437 million,and 208 million tons,respectively.(2)The soil erosion in the Hani Terraces area,measured at 5-year intervals from 1990 to 2020,was 11.93×106,7.68×106,7.69×106,6.18×106,7.00×106,8.86×106,and 2.89×106 t,respectively,showing an overall decreasing trend.(3)The spatial distribution of soil conservation showed more conservation in the south and less in the north,the spatial characteristics of soil erosion are high in the middle and low at both ends.(4)With the deepening of soil and water conservation measures in China and the implementation of ecological policies such as ecological civilization construction and ecological leadership,the soil erosion area of the Hani Terraces has shown a downward trend.[Conclusion]In the past 30 years,soil retention in the Hani Terraces has fluctuated,but generally shows a downward trend.Similarly,soil erosion has also shown a decreasing trend.关键词
水土保持/侵蚀/时空/格局/哈尼梯田Key words
soil and water conservation/erosion/spatiotemporal/pattern/Hani Terraces分类
天文与地球科学引用本文复制引用
刘志林,马祥钰,角媛梅,王磊,韦俊峰..1990-2020年哈尼梯田水土保持服务功能量化与时空变化特征[J].水土保持研究,2025,32(3):312-320,342,10.基金项目
国家自然科学基金(42471131) （42471131）
国家社科资助项目(20XSH022) （20XSH022）
国家社科资助项目(20BJY202) （20BJY202）
宁夏回族自治区教育厅高等学校科学研究项目(NYG2024053) （NYG2024053）
宁夏回族自治区重点研发计划项目(2024BEH04150) （2024BEH04150）
