一个基于模型的假设框架,通过"Diel.Niche" R 包来定义和估计 diel 利基
Brian D Gerber1, Kadambari Devarajan1, Zach J Farris2
1Department of Natural Resources Science, University of Rhode Island, Kingston, Rhode Island, USA.
The Journal of animal ecology
|January 12, 2024
概括
这项研究引入了动物生物表型 (白天,夜间等) 的定量定义. 标准化关于动物如何使用24小时的光暗周期的研究. 一个新的贝叶斯框架和R包可方便精确分析和比较DIEL活动模式.
科学领域:
- 生态生态学 生态生态学
- 进化生物学 进化生物学
- 定量生物学 定量生物学
背景情况:
- 了解动物如何利用日光周期 (24小时光暗周期) 对于定义生态来说至关重要.
- 现有的文献缺乏对迪尔表型 (例如,白天,夜间) 的明确,定量定义,这导致了研究中的潜在推断问题.
研究的目的:
- 为研究表型提出定量定义,以标准化研究术语.
- 开发一个灵活的贝叶斯模型框架,用于分析和比较 diel 活动模式.
主要方法:
- 根据黄昏,白天和夜晚的活动概率,提出了四套相互排斥的dyel表型假设.
- 开发了使用贝叶斯因子进行假设比较的贝叶斯建模框架,以及用于参数估计的具有线性不等式约束的多项模型.
- 创建了Diel.Niche R包和一个R Shiny网络应用程序,用于模型比较,参数估计和结果可视化.
主要成果:
- 该研究提供了广泛的模拟结果,以指导研究人员在不同样本大小的不同假设之间进行区分.
- 证明了该框架能够补充其他分析方法,如循环内核密度估计器和动物运动建模.
- 提供了Diel.Niche包的实践应用的示例和在线简介.
结论:
- 拟议的定量定义和贝叶斯框架旨在标准化DIEL活动的语言和分析.
- 鼓励将概念框架与数据驱动模型在迪尔研究中的桥梁.
- 强调了解动物的日常时间利用的重要性对生态和保护的重要性.
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