使用极端价值理论建模物种区域关系.
Luís Borda-de-Água1,2,3,4, M Manuela Neves5, Luise Quoss6,7
1CIBIO/InBio, Centro de Investigação em Biodiversidade e Recursos Genéticos, Laboratório Associado, Universidade do Porto; Campus Agrário de Vairão, 4485-661, Vairão, Portugal. lbagua@gmail.com.
Nature communications
|April 29, 2025
概括
我们使用极端价值理论开发了一种新的物种-区域关系 (SAR) 理论. 我们的模型解释了物种积累的三个不同阶段随着面积的增加,将它们与物种地理分布联系起来.
科学领域:
- 生态生态学 生态生态学
- 生物多样性科学 生物多样性科学
- 空间统计的空间统计.
背景情况:
- 种类-面积关系 (SAR) 描述了物种丰富度如何随着采样面积的增加而增加.
- 嵌套SARs在不同尺度和种类中显示一致的模式,但理论基础是不完整的.
- 现有的模型不能完全解释观察到的物种积累的三相模式.
研究的目的:
- 开发一个新的理论框架,用于嵌的物种-区域关系.
- 解释驱动SARs中观察到的不同阶段的潜在机制.
- 提供一种方法来估计阶段过渡时的物种丰富度.
主要方法:
- 基于极端价值理论开发了SAR的新理论.
- 模拟SAR作为从焦点对物种的最小距离分布的混合物.
- 使用全球生物多样性信息设施 (GBIF) 数据进行实证验证.
主要成果:
- 该理论成功地解释了SAR的三个不同阶段:在小区域的快速增长,在中间规模的慢增长,在大规模的快速增长.
- 每个阶段都取决于物种相对于采样焦点的地理分布 (范围).
- 为了估计阶段过渡时的物种数量,我们得出了一个公式,该公式与来自不同大陆和种类的经验数据进行了验证.
结论:
- 极端价值理论为理解SAR模式提供了一个强大的框架.
- 物种的地理分布是SAR阶段的关键决定因素.
- 开发的理论和方法是通用的,适用于具有空间特征的多种生态系统.
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