基于成本效益优化的修复:草原试点研究
Sarah R Weiskopf1,2, Toni Lyn Morelli2,3, Tina G Mozelewski4
1U.S. Geological Survey National Climate Adaptation Science Center, Reston, Virginia, USA.
概括
优化生态恢复地点的选择对于生物多样性保护至关重要. 一个新的空间框架整合了土地使用,物种数据和成本,以最大限度地提高保护效益,优先考虑堪萨斯州的草原息地.
科学领域:
- 保护生物学 保护生物学
- 生态恢复 生态恢复
- 空间规划 空间规划 空间规划
背景情况:
- 生态恢复对于全球生物多样性目标至关重要.
- 有限的保护预算需要战略性息地恢复地点的选择.
- 优化恢复需要考虑未来的息地潜力.
研究的目的:
- 开发一个空间明确的框架,以优化生态恢复地点的选择.
- 将土地使用历史,物种分布和经济成本纳入决策模型.
- 根据最大限度地提高保护效益与成本的比率,确定高优先级的恢复地点.
主要方法:
- 开发了一个整合土地利用,物种分布和经济数据的框架.
- 模拟息地和气候适宜性,以估计减少灭绝风险.
- 应用线性编程来最大限度地提高保护效益/恢复成本的比率.
- 用堪萨斯州草原的一个案例研究来说明这种方法,使用五种指标物种.
主要成果:
- 短草草和混合草草原显示了对选定指标物种的最高保护效益与成本比率.
- 该框架通过设定最低恢复门来确定高优先级的高草草原地区.
- 空间优化确定了最大化恢复影响的关键领域.
结论:
- 开发的框架提供了一种灵活和可适应的方法来优化修复地点的选择.
- 这种方法可以针对不同的生态系统,物种和保护优先事项进行更新.
- 战略性地点选择对于有效的生物多样性保护和高效的预算分配至关重要.
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