债务换自然交换是否可扩展:什么性质,多少债务,谁支付?
Christoph Nedopil1, Mengdi Yue1, Alice C Hughes2
1Fudan University, 220 Handan Road, Yangpu District, Shanghai, 200433, People's Republic of China.
Ambio
|September 2, 2023
概括
债务换自然 (DNS) 交易为主权债务和生物多样性危机提供了双重解决方案. 扩展DNS可以保护新兴经济体超过22%的全球生物多样性优先区域,具有显著的债务减免潜力.
科学领域:
- 环境经济学环境经济学
- 保护生物学 保护生物学
- 发展经济学 发展经济学
背景情况:
- 新兴经济体面临着交织的主权债务和生物多样性危机.
- 债务换自然 (DNS) 交易正在重新出现,成为潜在的双重解决方案.
- 全球生物多样性优先区域的很大一部分位于债务的国家.
研究的目的:
- 分析债务换自然 (DNS) 的可扩展性,以保护生物多样性优先领域.
- 评估DNS在降低新兴经济体主权债务负担方面的潜力.
- 量化使用DNS用于债务脆弱国家的保护的财务可行性.
主要方法:
- 为67个处于风险国家的生物多样性保护和债务重组信息构建一个新的数据集.
- 分析这些国家的全球生物多样性优先区域的比例及其保护状况.
- 经济建模以估计保护未受保护地区的成本作为国家债务的一小部分.
主要成果:
- 分析的67个国家占全球生物多样性优先区域的22%以上,其中82.96%目前没有得到保护.
- 对于35个国家来说,100%的未受保护的生物多样性优先区域可以通过一小部分债务来保护.
- 对于其他国家,DNS可以为11-13%的未受保护生物多样性优先区域的保护提供资金.
结论:
- 债务换自然交易提供了一个可行的和可扩展的机制,用于解决主权债务和生物多样性丧失的问题.
- 这项研究为在新兴经济体中实施DNS提供了定量框架.
- 结合生态和经济数据的跨学科研究对于优化保护融资策略至关重要.
相关概念视频
Sustainable Development
13.3K
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
13.3K
Habitat Fragmentation
17.6K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
17.6K
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
67
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
67
Limits to Natural Selection
31.4K
Organisms that are well-adapted to their environment are more likely to survive and reproduce. However, natural selection does not lead to perfectly adapted organisms. Several factors constrain natural selection.
31.4K
What is Conservation Biology?
18.5K
Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
18.5K
Scaling
271
In designing and analyzing filters, resonant circuits, or circuit analysis at large, working with standard element values like 1 ohm, 1 henry, or 1 farad can be convenient before scaling these values to more realistic figures. This approach is widely utilized by not employing realistic element values in numerous examples and problems; it simplifies mastering circuit analysis through convenient component values. The complexity of calculations is thereby reduced, with the understanding that...
271


