Bringing the forest back: Restoration priorities in Colombia

IF 4.6 2区环境科学与生态学 Q1 BIODIVERSITY CONSERVATION

Diversity and Distributions Pub Date : 2024-02-29 DOI:10.1111/ddi.13821

Brooke A. Williams, Sofía López-Cubillos, Jose Manuel Ochoa-Quintero, Renato Crouzeilles, Marcelo Villa-Piñeros, Paola Johanna Isaacs Cubides, Marina Schmoeller, Wilmer Marin, Anazelia Tedesco, Diego Bastos, Andrés Felipe Suárez-Castro, Luis Hernando Romero Jiménez, Eben N. Broadbent, Angelica M. Almeyda Zambrano, Jeffrey R. Vincent, Yuanyuan Yi, Robin L. Chazdon, James E. M. Watson, Elkin Alexi Noguera Urbano, Cristian Alexander Cruz Rodriguez, Hawthorne L. Beyer

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引用次数: 0

Abstract

Aim

Colombia has committed to ambitious forest restoration targets which include a 1 million ha Bonn Challenge commitment and 6.47–8.31 million ha (rehabilitation and restoration, respectively) under the National Restoration Plan. Determining where and how to implement programs to achieve these targets remains a significant challenge.

Location

Colombia.

Methods

We adopt a multi-objective optimisation framework for restoration planning and apply it to Colombia. We explore cost-effective solutions that leverage the potential for assisted natural regeneration benefits while accounting for opportunity and establishment costs of restoration and maximising biodiversity conservation and climate change mitigation benefits. We explore four politically relevant restoration area-based targets (1, 6, 6.47 and 8.31 million ha) and identify minimum cost, and suites of maximum benefit and cost-effective solutions.

Results

We identify solutions that simultaneously perform well across biodiversity and carbon objectives, despite trade-offs between these objectives. We find that cost-effective solutions can achieve on average 91.1%, 90.8%, 90.5% and 90.1% of maximum carbon benefit and 100% of the maximum biodiversity benefit while significantly reducing costs. On average, the cost-effective solutions reduce the cost by 87.5%, 56.8%, 59.6% and 46.2% compared to the maximum benefit solutions considering one, six, 6.47 and 8.31 million ha restoration targets, respectively.

Main Conclusions

Colombia has committed to bold restoration and conservation targets, such as those under the new 2030 Convention on Biological Diversity Global Biodiversity Framework. Strategic forest restoration planning will play an important role in achieving Colombia's biodiversity conservation and climate mitigation goals. We provide quantitative evidence to inform planning for environmentally and economically sensible restoration policy and practice in the country. Our framework and results can help guide Colombia towards meeting its ambitious forest restoration targets cost-effectively.

Abstract Image

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让森林回归：哥伦比亚恢复森林的优先事项

哥伦比亚已承诺实现雄心勃勃的森林恢复目标，其中包括 100 万公顷的 "波恩挑战 "承诺和 647-831 万公顷的国家恢复计划（分别为恢复和复原）。确定在哪里以及如何实施计划以实现这些目标仍是一项重大挑战。方法我们采用了多目标优化框架进行恢复规划，并将其应用于哥伦比亚。我们探索了具有成本效益的解决方案，这些方案既能充分利用辅助自然再生的潜在效益，又能考虑到恢复的机会成本和建立成本，并最大限度地提高生物多样性保护和气候变化减缓效益。我们探讨了四个与政治相关的基于恢复面积的目标（1、6、647 和 831 万公顷），并确定了最低成本、最大效益和具有成本效益的成套解决方案。我们发现，具有成本效益的解决方案平均可实现 91.1%、90.8%、90.5% 和 90.1%的最大碳效益和 100% 的最大生物多样性效益，同时还能显著降低成本。考虑到 1、6、647 和 831 万公顷的恢复目标，与最大效益解决方案相比，成本效益解决方案平均可降低 87.5%、56.8%、59.6% 和 46.2%的成本。主要结论哥伦比亚已承诺实现大胆的恢复和保护目标，如新的《2030 年生物多样性公约》全球生物多样性框架下的目标。战略性森林恢复规划将在实现哥伦比亚的生物多样性保护和气候减缓目标方面发挥重要作用。我们提供了定量证据，为该国在环境和经济方面合理的恢复政策和实践规划提供依据。我们的框架和结果有助于指导哥伦比亚以经济高效的方式实现其雄心勃勃的森林恢复目标。

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来源期刊

Diversity and Distributions 环境科学-生态学

CiteScore

8.90

自引率

4.30%

发文量

195

审稿时长

8-16 weeks

期刊介绍： Diversity and Distributions is a journal of conservation biogeography. We publish papers that deal with the application of biogeographical principles, theories, and analyses (being those concerned with the distributional dynamics of taxa and assemblages) to problems concerning the conservation of biodiversity. We no longer consider papers the sole aim of which is to describe or analyze patterns of biodiversity or to elucidate processes that generate biodiversity.