| 黄河上游荒漠绿洲生态系统服务对三生用地变化的响应——以银川市为例 |
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| 引用本文： | 李聪慧,马彩虹,滑雨琪,杨航,刘园园.黄河上游荒漠绿洲生态系统服务对三生用地变化的响应——以银川市为例[J].资源科学,2023,45(1):190-203. |
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| 作者姓名： | 李聪慧 马彩虹 滑雨琪 杨航 刘园园 |
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| 作者单位： | 宁夏大学地理科学与规划学院，银川 750021 |
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| 基金项目： | 宁夏重点研发基金项目(2021BEG03019);国家自然科学基金项目(41961034);国家自然科学基金项目(42061037) |
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| 摘 要： | 【目的】探究荒漠绿洲三生用地变化及其生态效应，可为黄河流域生态保护和高质量发展提供决策参考。【方法】本文以1990—2020年黄河上游荒漠绿洲区——银川市为例，提出了生态系统服务价值（ESV）当量因子的系数修订方法，建立了银川市与全国ESV当量因子的系数关系，分析了ESV对三生用地时空变化的响应特征。【结果】结果表明：①生态用地在银川市三生用地中比例最高，但研究时段内有所降低，由1990年的69.49%下降为2020年的57.68%，同期，生产用地稳中有增，由28.54%提升为32.52%，生活用地扩张迅速，由2.37%提升为9.81%；生活用地动态度变化剧烈，生产用地与生态用地动态度渐趋平缓。②1990—2020年ESV总量增加了38423.65万元，生态用地质量提升对ESV的增加效应大于生产用地和生活用地扩张导致的ESV降低效应；结构上，调节服务对ESV的贡献最大且持续提升，比例从1990年的82.29%增为2020年的83.76%，其他服务比例均有所降低。③城市扩张、能源基地建设、移民迁入等因素是导致ESV下降的重要原因，导致城区、宁东能源基地和重点移民迁入区ESV降低；生态建设是ESV的提升主因，白芨滩自然保护区、黄河生态带核心区以及贺兰山东麓葡萄长廊等区域的ESV增加明显。【结论】今后发展中，需要提升生活用地和生产用地的效率以降低其扩张速率，以降低挤占生态用地的压力，同时，需要持续改善生态用地质量，以促进荒漠绿洲生态系统健康可持续发展。
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| 关 键 词： | 三生用地 空间格局 生态系统服务 荒漠绿洲 黄河上游 银川市 |
| 收稿时间： | 2022-08-17 |
| 修稿时间： | 2023-01-06 |
Response of desert oasis ecosystem services to the production-living-ecological land change in the upper reaches of the Yellow River:A case study in Yinchuan City |
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| LI Conghui,MA Caihong,HUA Yuqi,YANG Hang,LIU Yuanyuan.Response of desert oasis ecosystem services to the production-living-ecological land change in the upper reaches of the Yellow River:A case study in Yinchuan City[J].Resources Science,2023,45(1):190-203. |
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| Authors: | LI Conghui MA Caihong HUA Yuqi YANG Hang LIU Yuanyuan |
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| Institution: | College of Geographical Sciences and Planning, Ningxia University, Yinchuan 750021, China |
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| Abstract: | Objective] Exploring the changes and ecological effects of the ecological land in the desert oasis area can provide a decision-making reference for the ecological protection and high-quality development of the Yellow River Basin. Methods] Taking Yinchuan City, a desert oasis in the upper reaches of the Yellow River, as an example, this study put forward the coefficient revision method of ecological service value (ESV) equivalent factors, established the relationship of ESV equivalent factor coefficients between Yinchuan City and China nationwide, and analyzed the response characteristics of ESV to the spatial and temporal changes of production-living-ecological land. Results] The results show that: (1) The proportion of ecological land was the highest among the production-living-ecological land in Yinchuan City, but this proportion decreased during the study period, from 69.49% in 1990 to 57.68% in 2020. During the same period, the production land increased steadily, from 28.54% to 32.52%, and the living land expanded rapidly, from 2.37% to 9.81%. The dynamic degree of living land changed dramatically, but the dynamic degree trends of production land and ecological land gradually became smooth. (2) During the study period, the total amount of ESV increased by 384.2365 million yuan, and the positive effect of ecological land quality improvement on ESV was greater than the negative effect of the expansion of production land and living land on ESV. The contribution of regulating services to ESV was the largest and continued to increase, with the proportion increasing from 82.29% in 1990 to 83.76% in 2020, but the proportion of other services had decreased. The negative supply services are mainly related to the increase of water-consuming crop planting. (3) Urban expansion, energy base construction, and migration into the city are important reasons for the decline in ESV, resulting in lower ESV in the urban area, the Ningdong energy base, and key immigration areas; ecological construction is the main reason for the increase in ESV, with significant increases in areas such as the Bailitan Nature Reserve, the core area of the Yellow River Ecological Belt, and the grape production corridor at the eastern foot of the Helan Mountains. Conclusion] In future development, it is necessary to improve the efficiency of living land and production land use to reduce the pressure of their expansion on ecological land, and to continuously improve the quality of ecological land to promote the healthy and sustainable development of the desert oasis ecosystem. |
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| Keywords: | production-living-ecological land spatial pattern ecosystem services oasis area upper reaches of the Yellow River Yinchuan City |
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