Spatio-temporal Evolution and Trade-offs Synergies of Grassland Ecosystem Services in Ningxia: 2000—2020

doi:10.11733/j.issn.1007-0435.2025.10.029

Acta Agrestia Sinica ›› 2025, Vol. 33 ›› Issue (10): 3419-3429.DOI: 10.11733/j.issn.1007-0435.2025.10.029

Spatio-temporal Evolution and Trade-offs Synergies of Grassland Ecosystem Services in Ningxia: 2000—2020

TIAN Hui-hui¹, HAN Xin-ning², WANG Yi-bo¹, TUO Hang-hang³, YIN Zi-ming³, MA Xiao-rui³, ZHANG Xiao-shan³, LI Wei³, JIN Jing-wei³

1. College of Grassland Agriculture, Northwest AF University, Yangling, Shaanxi Province 712100, China;
2. College of Resources, Environment and Life Sciences, Ningxia Normal University, Guyuan, Ningxia Province 756000, China;
3. College of Soil and Water Conservation Science and Engineering, Northwest AF University, Yangling, Shaanxi Province 712100, China

Received:2025-05-06 Revised:2025-06-13 Published:2025-10-17

宁夏草地生态系统服务时空演变及权衡协同关系：2000—2020年

田慧慧¹, 韩新宁², 王亦波¹, 拓行行³, 尹子鸣³, 马晓瑞³, 张潇珊³, 李伟³, 金晶炜³

1. 西北农林科技大学草业与草原学院, 陕西杨凌 712100;
2. 宁夏师范大学资源环境与生命科学学院, 宁夏固原 756000;
3. 西北农林科技大学水土保持科学与工程学院, 陕西杨凌 712100

通讯作者: 李伟,E-mail:liwei2013@nwsuaf.edu.cn;金晶炜,E-mail:jinjingweisoil2008@163.com
作者简介:李伟,E-mail:liwei2013@nwsuaf.edu.cn;金晶炜,E-mail:jinjingweisoil2008@163.com
基金资助:
国家重点研发计划项目（2022YFF1302800）；国家自然科学基金资助项目（42277464）；陕西省重点研发计划项目（2024SF-YBXM-545）；宁夏自然科学基金（2025AAC030610）资助

Abstract

Abstract: Studying ecosystem services and their trade-offs synergies is of great significance for regional sustainable development and ecological security. In this study， the Ningxia grassland ecosystem was selected as the research object. The Integrated Valuation of Ecosystem Services and Trade-offs （InVEST） and Revised Wind Erosion Equation （RWEQ） models were used to quantitatively evaluate the four ecosystem services of different types of grasslands， including water yield （WY）， carbon storage （CS）， soil conservation （SC）， and sand retention （SR）. The temporal and spatial patterns of trade-offs and synergies of grassland ecosystem services were discussed using Pearson’s correlation and bivariate spatial autocorrelation. The results showed that： compared to 2000， the area change rates of semi-desert grassland， typical grassland， subhumid grassland， and meadow grassland in 2020 were -27.00%， 46.96%， 28.98%， and 234.12%， respectively. In 2020， the WY， CS， SC and SR of grassland ecosystem were 4.126×10⁸， 1.783×10⁸， 3.824×10⁸ and 0.135×10⁸ tons， respectively， with rates of 63.08%， 7.54%， 46.29%， and -77.98%， respectively， compared to 2000. The spatial patterns of WY， CS， and SC of grasslands all showed a characteristic of being higher in the south and lower in the north， and they exhibited a trend of expanding eastward from 2000 to 2020. The high-value areas of SR were mainly distributed in the central and eastern parts of Ningxia from 2000 to 2010， whereas the spatial heterogeneity of SR decreased from 2010 to 2020. From 2000 to 2020， synergistic relationships were observed between WY-CS， WY-SC， and CS-SC， and the correlations gradually increased. With the restoration of vegetation and improvement of its structural functions， the relationships between WY-SR， CS-SR， and SC-SR changed from trade-offs in 2000 and 2010 to synergies in 2020. The results of this study can provide a scientific basis for the protection and sustainable management of grassland ecosystems in Ningxia as well as the formulation of related policies.

Key words: InVEST model, RWEQ model, Ecosystem service, Trade-off, Synergy, Ningxia

摘要： 研究生态系统服务及其权衡与协同关系对区域可持续发展和生态安全具有重要意义。本研究以宁夏草地生态系统为研究对象，利用InVEST和RWEQ模型定量评估2000—2020年不同草地类型的产水量（Water yield，WY）、碳储量（Carbon storage，CS）、土壤保持（Soil conservation，SC）和防风固沙（Sand retention，SR）4种生态系统服务，并通过Pearson相关性和双变量空间自相关2种方法探讨草地生态系统服务的权衡与协同关系时空格局。结果表明：与2000年相比，2020年半荒漠草原、典型草原、半湿润草原和草甸草原的面积变化率分别为-27.00%，46.96%，28.98%和234.12%。2020年草地生态系统的WY，CS，SC和SR的分别为4.126，1.783，3.824和0.135亿t，与2000年相比变化率分别为63.08%，7.54%，46.29%和-77.98%。草地WY，CS和SC均呈现南高北低的空间格局，且从2000—2020年表现出向东部扩张趋势。SR在2000—2010年的高值区主要分布在宁夏中部和东部，而2010—2020年SR空间异质性降低。2000—2020年，WY-CS，WY-SC和CS-SC为协同关系，且相关性逐渐增大。随着草地植被恢复及结构和功能的改善，WY-SR，CS-SR和SC-SR由2000和2010年的权衡关系转变为2020年的协同关系。本研究结果可为宁夏草地生态系统的保护和可持续管理及相关政策的制定提供科学依据。

关键词: InVEST模型, RWEQ模型, 生态系统服务, 权衡, 协同, 宁夏

CLC Number:

X87
S812

TIAN Hui-hui, HAN Xin-ning, WANG Yi-bo, TUO Hang-hang, YIN Zi-ming, MA Xiao-rui, ZHANG Xiao-shan, LI Wei, JIN Jing-wei. Spatio-temporal Evolution and Trade-offs Synergies of Grassland Ecosystem Services in Ningxia: 2000—2020[J]. Acta Agrestia Sinica, 2025, 33(10): 3419-3429.

田慧慧, 韩新宁, 王亦波, 拓行行, 尹子鸣, 马晓瑞, 张潇珊, 李伟, 金晶炜. 宁夏草地生态系统服务时空演变及权衡协同关系：2000—2020年[J]. 草地学报, 2025, 33(10): 3419-3429.

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Spatio-temporal Evolution and Trade-offs Synergies of Grassland Ecosystem Services in Ningxia: 2000—2020

宁夏草地生态系统服务时空演变及权衡协同关系：2000—2020年

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