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气候变化对人类和动物界面的影响:模拟宁病毒储库转移的建模

Nuri Flores-Pérez¹, Pranav Kulkarni², Marcela Uhart³

¹Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, One Shields Avenue, Davis, CA, 95616, USA. flores.nuri@gmail.com.

|June 27, 2025

概括

气候变化影响了干旱地区黄昏鼠 (Calomys musculinus) 的分布,黄昏鼠是Junin mammarenavirus (JUNV) 的关键宿主. 这些发现为阿根廷出血热热点的疾病预防策略提供了信息.

科学领域:

生态生态学生态生态学
气候变化生物学气候变化生物学
疾病生态学疾病生态学

背景情况:

干旱地区的黄昏鼠 (Calomys musculinus) 是朱宁乳腺病毒 (JUNV) 的主要储库,这是阿根廷出血热的致病原体.
了解C. musculinus的生态和分布对于预测和管理JUNV传播至关重要.

研究的目的:

在各种气候变化场景下建模C. musculinus的当前和未来潜在分布.
为了确定与C. musculinus扩张相关的疾病传播的潜在热点.
为预防阿根廷出血热的预防措施提供框架.

主要方法:

利用基于树的机器学习算法来建模动物分布.
将生物气候和景观预测因素纳入分布模型.
根据2050年和2070年的中期 (RCP 4.5) 和严重 (RCP 8.5) 气候变化情景,预计物种分布和疾病热点.

主要成果:

该模型表现出强的性能,F分数在80.22%至83.09%之间.
肌肉分布的关键预测因素包括热气温的偏好,中度降水,低降水变化率和低牧场覆盖率.
一个严重的气候变化场景 (RCP 8.5) 预计适合动物和疾病热点的区域将减少.
一个中间场景 (RCP 4.5) 显示了C. musculinus分布的扩大和潜在疾病热点区域的增加.

结论:

气候变化对C. musculinus的分布产生了重大影响,影响了阿根廷出血热的潜在传播.
该研究强调了适应性管理策略的必要性,以减轻在不断变化的环境中疾病风险.
这些发现支持针对性生态研究和在动物扩散和疾病爆发易受影响的地区的预防行动.

关键词:

这种植物是 Calomys musculinus.竞技场病毒病毒阿根廷出血热的发病情况气候变化气候变化气候变化干旱地区的黄昏之夜小鼠.机器学习是机器学习.种类分布模型的物种分布模型.

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