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Updated: May 13, 2025

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Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
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[阿克苏河流域生态系统服务价值及其驱动因素的空间和时间演变]
Jie Yang1,2, Fan Gao1,2, Hai-Liang Xu1,2,3
1College of Hydraulic and Civil Engineering, Xinjiang Agricultural University, Urumqi 830052, China.
Huan jing ke xue= Huanjing kexue
|April 15, 2025
概括
阿克苏河流域的生态系统服务价值在2000年至2020年期间下降了15.96%,这是由于土地利用变化和气候因素,如温度和降水等因素. 草原转化为耕地是非常重要的.
科学领域:
- 生态经济学生态经济学
- 环境科学环境科学
- 地理信息科学 地理信息科学
背景情况:
- 阿克苏河流域对于区域经济发展和"一带一路"倡议中的生态保护至关重要.
- 了解生态系统服务价值 (ESV) 动态对于可持续发展和人与自然的共存至关重要.
研究的目的:
- 分析2000年至2020年阿克苏河流域生态系统服务价值 (ESV) 的时空演变.
- 确定影响ESV变化的关键驱动因素.
- 探索不同生态系统服务之间的关系和权衡.
主要方法:
- 利用五个时期 (2000-2020) 的土地使用数据,通过转移矩阵跟踪土地使用变化.
- 应用了修订后的等价系数方法来估计生态系统服务价值 (ESV).
- 使用敏感性分析,ESV权衡协作分析和地理探测器来分析驱动因素和服务间关系.
主要成果:
- 草地和未使用的土地主导着土地使用;草地显示出最大的外流,而耕地则有最大的进流.
- ESV显示出波动性的下降趋势 (从2000年到2020年下降15.96%),从北向南下降.
- 生态系统服务中占主导地位的是协同效应关系,主要是在食品/原材料生产和其他服务之间进行权衡.
- 温度和降水是ESV变化的主要驱动因素,多个因素的协同效应显著影响ESV.
结论:
- 土地利用变化和气候因素,特别是温度和降水,在阿克苏河流域显著影响ESV.
- 多个驱动因素的相互作用对ESV的影响比单个因素的影响更大.
- 调查结果支持针对该地区可持续发展的有针对性的生态管理战略.
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