评估埃塞俄比亚西南部的植被覆盖面和评估生态系统服务:对保护的影响
Zenebe Ageru Yilma1, Bialfew Ashagrie Yitay1
1Natural Resource, Mizan ATVET College, Mizan Teferi, SWERS, Ethiopia.
PloS one
|June 21, 2024
概括
这项研究量化了Bench-Sheko区生态系统服务的经济价值,揭示了残余森林和湿地的重大贡献. 遥感数据和机器学习准确地绘制了植被图,支持了保护工作.
科学领域:
- 生态生态学 生态生态学
- 环境科学 环境科学
- 遥感 遥感 遥感 遥感
背景情况:
- 作为东部阿弗罗蒙坦生物多样性热点的一部分,本奇-谢科区面临着对植被覆盖面减少的担忧.
- 对植被变化的有效监测对于生物多样性保护至关重要.
研究的目的:
- 评估Bench-Sheko区不同植被覆盖类别提供的生态系统服务的经济价值.
- 利用遥感进行植被分类和土地覆盖面变化分析.
- 为环境影响评估和有关自然资源管理的政策决策提供信息.
主要方法:
- 利用 Sentinel-2 卫星数据和谷歌地球引擎中的随机森林分类器进行植被分类.
- 雇员福利转移,直接市场价值和碳的社会成本是生态系统服务估值的方法.
- 集成的高分辨率卫星图像与精确的分类算法用于环境监测.
主要成果:
- 剩余的森林提供了大量的辅助服务 (2829.3美元/ha-1yr-1),占地面积的30.98%.
- 湿地为文化 (2847.7美元/ha-1yr-1) 和监管服务 (5063.9美元/ha-1yr-1) 提供了最高的价值,占地面积的4.35%.
- 在所有植被类别中,所有生态系统服务的年度总价值估计为2.089亿美元.
结论:
- 高分辨率卫星数据和先进的算法是监测环境条件和植被覆盖的有效工具.
- 量化生态系统服务对于向政策制定者和社会展示植被覆盖的好处至关重要.
- 该研究强调了该地区生物多样性和生态系统服务的重要经济价值,倡导明智的决策和保护战略.
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