将生态系统服务流与与水有关的生态安全模式联系起来:一种方法论方法应用于中国的一个沿海省
Zilong Chen1, Jingyu Lin2, Jinliang Huang1
1Fujian Key Laboratory of Coastal Pollution Prevention and Control, Xiamen University, Xiamen, 361102, China.
Journal of environmental management
|August 4, 2023
概括
水源安全受到人类活动和气候变化的威胁. 本研究确定了与水有关的生态安全模式,揭示了安全性下降,并突出了可持续水资源管理的关键领域.
科学领域:
- 生态生态学 生态生态学
- 环境科学 环境科学
- 水文学的水文学
背景情况:
- 由于人类活动增加和气候变化,水资源安全日益成为人们关注的问题.
- 通过与水有关的生态安全模式优化空间配置,可以支持可持续的水资源管理.
- 现有的界定这些模式的方法需要进一步开发.
研究的目的:
- 制定一个框架,将生态系统服务流与与水有关的生态安全模式联系起来.
- 确定中国福建省的水源,水槽,关键走廊和脆弱节点.
- 评估过去30年来与水有关的生态安全的变化.
主要方法:
- 开发了一个新的框架,整合了生态系统服务流和生态安全模式.
- 利用空间分析来识别来源,沉,走廊和节点.
- 分析了30年来生态供需比的趋势.
主要成果:
- 水源主要位于内陆高海拔地区,南部面积减少,北部面积增加.
- 水槽集中在沿海地区,呈现下降趋势.
- 与水有关的生态安全性下降,生态供需比率下降证明了这一点.
- 在17.12%的河流中确定了关键走廊,22.5%的节点被归类为早期预警节点.
- 气候变化影响源分布,而人类活动推动了沉动态.
结论:
- 开发的框架有效地确定了与水有关的生态安全模式的关键组成部分.
- 调查结果表明,过去三十年来,福建省的水源安全状况恶化.
- 结果为景观规划和可持续水资源管理提供了关键的见解,因为土地使用和气候在不断变化.
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