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一个完整的框架,改善流域管理规划
Ayele Almaw Fenta1, Atsushi Tsunekawa2, Nigussie Haregeweyn1
1International Platform for Dryland Research and Education, Tottori University, Tottori, 680-0001, Japan.
Environmental research
|August 12, 2023
概括
制定土地使用和管理 (LUM) 规划的综合框架显著制土地退化. 这种方法确定了具有生态和社会经济利益的LUM替代方案,这对于可持续的流域资源使用至关重要.
科学领域:
- 环境科学 环境科学
- 可持续的土地管理
- 流域管理 流域管理
背景情况:
- 土地退化是一个持续的全球环境问题,因土地利用和管理 (LUM) 规划不足而加剧.
- 目前的LUM举措往往由于生态和社会经济因素的不良整合,缺乏全面的规划框架而失败.
研究的目的:
- 开发和展示一个综合框架,用于识别,评估和提出LUM替代方案.
- 该框架旨在将生态和社会经济效益纳入可持续的流域资源管理.
主要方法:
- 制定了一个由六个组成部分组成的框架:问题识别,解决方案识别,替代性制定和建模,成本效益分析,利益相关方评估和沟通.
- 埃塞俄比亚阿巴格里马流域的一项案例研究分析了五个LUM替代方案,使用地块和流域规模数据 (2015-2019) 对基线进行了分析.
- 分析的关键指标包括排水,土壤损失,土壤有机碳 (SOC) 库存和土地生产力.
主要成果:
- 在LUM替代方案中,排水量 (11-71%) 和土壤损失 (66-95%) 显著减少.
- 在土壤有机碳 (SOC) 库存 (36-104%) 和流域规模土地生产率 (48-134%) 中观察到显著的改善.
- 利益相关方的评估揭示了不同的优先事项,土地使用者倾向于不改变现有土地用途的做法.
结论:
- 开发的综合框架有效地识别,评估和建议LUM替代品退化的流域.
- 该框架有助于在规划和实施LUM实践方面的决策,平衡生态和社会经济方面的考虑.
- 利益相关者参与至关重要,强调需要将拟议的解决方案与土地使用者的优先事项保持一致,以确保成功实施.
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