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Watershed Planning within a Quantitative Scenario Analysis Framework

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Published on: July 24, 2016

评估供需关系,考虑到生态系统服务的区域间流动

Yuhe Ma^1,2, Hai Chen^3,4, Miaomiao Yang^1,2

¹College of Urban and Environmental Sciences, Northwest University, Xi'an, 710127, China.

Environmental science and pollution research international

|March 22, 2024

概括

洛斯高原的生态系统服务 (ES) 供应和需求在2000年至2020年期间增加. 考虑到生态系统服务流 (ESF) 改善了供需关系,特别是在赤字地区,有助于可持续发展.

科学领域:

生态经济学生态经济学
环境科学环境科学
地理信息系统 (GIS) 是指地理信息系统.

背景情况:

准确评估生态系统服务 (ES) 的供应,需求和流动对于区域可持续发展至关重要.
了解ES供需关系是识别和增强生态功能的关键.
由于其独特的环境,洛斯高原面临着平衡生态服务的挑战.

研究的目的:

评估洛斯高原的供应,需求和水产,食品供应,碳储存和土壤保护服务的流量.
在考虑区域间生态系统服务流 (ESF) 之前和之后分析ES供需关系.
确定ES供需的空间模式及其相互作用.

主要方法:

使用InVEST模型进行ES评估.
雇佣的供需比率,合协调分析,断点和现场强度模型.
应用GIS空间分析,绘制和分析ES供应,需求和流动模式.

主要成果:

从2000年到2020年,ES的供需总体上有所增加;在考虑ESF之前,水产,粮食和土壤保护的余增加,而碳储存减少.
水产和土壤保护主要向西和西北流动,而粮食供应和碳储存则以多方向流动,流量增加.
考虑到ESF显著改善了供需关系和协调水平,特别是在赤字县,突出了跨区域ES转移的重要性.

结论:

该研究揭示了洛斯高原ES供需关系的动态变化,受区域间ESF的影响.
为准确评估区域可持续性和缓解供需不匹配,对ESF的会计工作至关重要.
这些发现为优化土地利用和通过更好地管理生态系统服务来促进可持续发展提供了科学基础.

关键词:

生态系统服务生态系统服务生态系统服务流的流动洛斯高原 (Loess Plateau) 是一个高原.空间和时间特征.供求关系是供求关系.

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