用贝叶斯式Poisson日志-Gaussian模型评估慢性衰竭疾病风险的空间变化
Ram K Raghavan1,2,3, Frank Badu Osei4, Alfred Stein4
1Department of Pathobiology and Integrative Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, MO, United States.
Frontiers in veterinary science
|November 24, 2025
概括
慢性衰竭疾病 (CWD) 对堪萨斯州的鹿类构成威胁. 这项研究绘制了CWD风险图,发现西北地区的患病率更高,并确定了影响其传播的息地因素.
科学领域:
- 野生动物生态生态学
- 流行病学 流行病学
- 保护生物学 保护生物学
背景情况:
- 慢性衰竭疾病 (CWD) 是一种致命的神经退行性病,影响宫动物.
- 这种疾病在北美地区扩散,影响了野生动物种群和狩猎.
- 了解堪萨斯州的CWD空间风险对于保护和管理至关重要.
研究的目的:
- 探索堪萨斯州内CWD风险的空间变化.
- 调查息地级共变量对CWD分布的影响.
- 为该州的CWD管理策略提供数据驱动的见解.
主要方法:
- 利用堪萨斯州2005年至2023年间的监控数据.
- 在贝叶斯框架内采用波桑日志-高斯模型.
- 将带有和没有息地共变量的模型进行比较,以评估它们的预测能力.
主要成果:
- 息地级别的共同变量是CWD存在的显著预测因素,模型2的表现优于模型1.
- 在堪萨斯州西北部和中南部发现了较高的CWD风险.
- 空间分析显示,风险从西向东逐渐增加,没有全球平滑效应.
结论:
- 波桑日志-高斯斯模型有效评估野生动物疾病监测数据.
- 空间模式和息地协会是了解和管理堪萨斯州CWD的关键.
- 这些发现对有针对性的CWD管理和保护工作具有直接相关性.
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