生物物理模型分辨率影响珊瑚连接性估计
Antoine Saint-Amand1, Jonathan Lambrechts2, Emmanuel Hanert3,2
1Earth and Life Institute (ELI), Université catholique de Louvain, Croix du Sud 2, 1348, Louvain-la-Neuve, Belgium. antoinesaintamand@gmail.com.
Scientific reports
|June 9, 2023
概括
模型分辨率显著影响珊瑚礁连接性估计. 更精细的分辨率揭示了更复杂的分散,增加了局部保留,改变了社区结构,这对于有效的珊瑚礁保护战略至关重要.
科学领域:
- 海洋生态海洋生态学
- 保护科学 保护科学
- 计算建模 计算建模
背景情况:
- 估计珊瑚礁连接对于保护和恢复工作至关重要.
- 生物物理模型用于模拟连接,但它们的空间分辨率往往比珊瑚礁尺度粗.
研究的目的:
- 评估生物物理模型解析对珊瑚礁连接性估计的影响.
- 为了比较250米至4公里分辨率的模型的连接输出.
主要方法:
- 利用了同一个生物物理模型的五个不同的设置,具有不同的空间分辨率 (250米至4公里).
- 分析了分散模式的变化,连接图结构,社区结构和幼虫保留的变化,分辨率越来越高.
主要成果:
- 更细的模型分辨率 (例如,大约250米) 产生更复杂,更少的方向分散模式.
- 提高分辨率会导致更多但较弱的连接,更大的连接良好的珊瑚礁群,以及加强本地保留/自我招募.
- 连接性估计有很大的差异,只有大约一半的顶级珊瑚礁显示出最细和最粗的分辨率之间的相似性.
结论:
- 模型分辨率极大地影响了珊瑚礁连接性估计.
- 珊瑚礁管理建议应考虑所使用的模型分辨率的规模.
- 珊瑚礁规模管理需要具有分辨率不超过大约500米的模型.
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