岸边的植被减少了沿海的乱
Hilary D Brumberg1,2,3, Laura E Dee4, Hikari Murayama5,6
1Department of Environmental Studies, University of Colorado Boulder, Boulder, CO USA.
概括
保护沿海自然植被大大减少了沿海的,使得珊瑚礁等海洋生态系统受益. 土地利用变化影响沿海水质,强调需要保护战略.
科学领域:
- 环境科学 环境科学
- 海洋生物学 海洋生物学
- 遥感 遥感 遥感 遥感
背景情况:
- 海洋生态系统面临着土地利用和气候变化的退化.
- 量化陆海因果关系是经验上具有挑战性的.
研究的目的:
- 开发一个可扩展的框架来估计土地利用对沿海度的影响.
- 确定哥斯达黎加南部从陆地到海的因果关系路径.
主要方法:
- 利用了1987-2019年间的遥感数据.
- 应用了四种因果推理方法.
- 在空间尺度上分析了土地利用对沿海度的影响.
主要成果:
- 岸边的自然植被 (15米缓冲区) 降低了距离海边800米的度,使珊瑚礁和海草受益.
- 牧场和石路增加了沿海的乱.
- 短,的河流或排水量低的河流的影响最为明显;流域规模的土地利用没有显著的影响.
结论:
- 沿海保护和恢复是海洋保护的有效策略.
- 开发的框架是可复制和可扩展的,特别是对于数据有限的地区.
- 将人类土地使用与保护需求相协调,可以保护陆地,淡水和海洋环境.
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