淡水保护的货币价值
Ukrit Jaroenkietkajorn1,2, Shabbir H Gheewala3,4
1Joint Graduate School of Energy and Environment, King Mongkut's University of Technology Thonburi, Bangkok, Thailand.
Environmental management
|September 25, 2025
概括
森林增强了淡水的可用性,这是一个重要的生态系统服务. 本研究使用两种方法评估淡水供应,发现替代成本方法为森林保护提供了更准确的经济估值.
科学领域:
- 生态生态学 生态生态学
- 环境经济学环境经济学
- 林业 林业 林业 林业 林业
背景情况:
- 森林覆盖面对降水和淡水供应,以及关键的生态系统服务产生重大影响.
- 全球关注生态系统保护需要重视森林提供的淡水资源.
研究的目的:
- 估计森林生态系统提供的淡水供应的货币价值.
- 为了比较森林生态系统服务的不同估值方法的准确性.
主要方法:
- 采用生产函数方法来估计淡水供应量.
- 用替代成本方法和市场价格方法进行经济估值.
主要成果:
- 替代成本方法每年产生每公59-129美元的价值.
- 市场价格方法产生了每年每公191美元至424美元的更高价值.
- 市场价格方法可能会高估价值,因为包括治疗成本和增值税.
结论:
- 替代成本方法提供了对森林淡水保护的更准确的估值.
- 准确的经济估值支持森林保护工作,并强调生态系统服务的重要性.
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