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隐藏的马尔科夫模型揭示了绿色和木头海的本体遗传可塑性

Ryan C Welsh^1,2, Katherine L Mansfield³

¹Inwater Research Group, Jensen Beach, FL, USA. rwelsh@inwater.org.

Scientific reports

|March 17, 2026

概括

保护海需要理解超越大小的息地使用. 这项研究使用隐藏的马尔科夫模型揭示了绿色和木头的不同行为状态 (游牧,居民,短暂),挑战了基于尺寸的生命阶段假设.

科学领域:

海洋生物学海洋生物学
保护科学保护科学
行为生态学行为生态学

背景情况:

保护长寿的海洋物种,如海,至关重要.
目前的管理层经常使用基于大小或基于位置的生命阶段分类.
这些传统方法可能会忽视行为可塑性和个体运动模式.

研究的目的:

为了研究绿色 (Chelonia mydas) 和木头 (Caretta caretta) 的行为可塑性.
应用行为优先,数据驱动的方法来长期捕获-重新捕获数据.
挑战身体大小仅仅定义生命阶段或息地使用的假设.

主要方法:

利用了佛罗里达州东南部47年的捕获-重新捕获数据.
将隐藏的马尔科夫模型 (HMM) 应用于近2万个捕获事件.
整合了直立的长度和季节性光周期,以估计三个潜在行为状态的概率:游牧,居民和短暂.

主要成果:

确定了三个不同的行为状态:游牧 (较小,罕见的重新捕获),居民 (高站点忠诚度,频繁的重新捕获) 和短暂 (较大,季节性存在).
在绿中观察到跨州重叠的尺寸分布,挑战基于尺寸的严格分配.
龙头海表现出更大的行为可塑性,尺寸很难预测州会员资格.

结论:

仅仅体型并不能定义这些海洋物种的生命阶段或地点使用情况.
概率状态模型揭示了隐藏的行为结构和发展性息地使用.
了解行为状态对于有效保护长寿海洋物种至关重要.

关键词:

行为状态行为状态.隐藏的马尔科夫模型本体遗传变化是指存在的转变.海是一种海.网站忠诚度网站忠诚度

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