开发城市生态系统服务的综合指数 (赫尔卡尼亚森林-戈尔根)
Mahmood Zoghi1, Mohammad Javad Amiri1
1Faculty of Environment, College of Engineering, University of Tehran, Tehran, Iran.
Integrated environmental assessment and management
|August 22, 2023
概括
像城市增长这样的人类活动在戈尔根显著减少了生态系统服务 (ESs). 总生态系统服务 (TES) 指数从1985年到2020年下降了50%以上,导致了生态危机.
科学领域:
- 环境科学环境科学
- 城市生态学 城市生态学
- 评估生态系统服务的评估
背景情况:
- 人类世的特点是不可逆转的人类影响,包括土地利用变化和城市增长,这降低了生态系统服务 (ESs).
- 戈尔根经历了重大的环境转型,需要了解它们对生态系统功能的影响.
- 之前的研究没有使用六角单位进行长时间的综合ES评估.
研究的目的:
- 为了调查城市生态系统服务 (ESs) 的时空动态在戈尔根超过35年.
- 开发和应用综合总生态系统服务 (TES) 指数,以量化和评估ES供应.
- 确定ES变化的主要驱动因素及其对城市环境质量的影响.
主要方法:
- 采用了结合物理和生态数据的综合方法.
- 在这种类型的ES研究中,首次使用六边形单位系统.
- 六个关键的ES (水产,洪水控制,净初级生产,土壤保留,碳捕获,空气污染消除) 被建模,量化并汇总成一个TES指数.
主要成果:
- 戈尔根的生态系统总服务 (TES) 指数大幅下降,从1985年的0.427下降到2020年的0.192.
- 希尔卡尼亚森林提供了最高的TES,而城市化地区显示了最低的ES值.
- 降低ES与空气质量下降,洪水风险增加,土壤侵蚀和生态不平衡相关.
结论:
- 综合TES指数有效量化了整体生态系统功能,并突出了严重的环境退化.
- 戈尔根的城市扩张和土地利用变化导致了生态系统服务的显著下降.
- 解决ES短缺问题对于缓解环境危机和促进可持续城市发展至关重要.
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