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森林碎片化在黄热病病毒传播中的作用

Ramon Wilk-da-Silva¹, Paula Ribeiro Prist², Antônio Ralph Medeiros-Sousa³

¹Institute of Tropical Medicine, University of São Paulo, Av. Dr. Eneas Carvalho de Aguiar 470, São Paulo, SP, Brazil.

|July 7, 2023

概括

森林砍伐和森林碎片化增加黄热病病毒 (YFV) 的传播. 森林边缘密度高的连接,分散的景观促进了YFV的传播,而低连接则会造成死区.

科学领域:

生态生态学生态生态学
流行病学流行病学
保护生物学保护生物学

背景情况:

热带森林的森林砍伐威胁着生物多样性和人类健康.
动物传播疫情的增加与环境变化有关.
黄热病病毒 (YFV) 传播风险与森林碎片化有关.

研究的目的:

测试具有高边缘密度和连接性的碎片化景观是否有利于YFV传播.
为了确定影响YFV传输动态的景观特征.

主要方法:

在圣保罗的非人类灵长类动物 (NHPs) 中对YFV流行病的分析.
使用动物病数据构建直接网络.
多选择方法分析景观特征和YFV传播.

主要成果:

病毒传播潜力较高的市镇显示森林边缘增加.
高密度的森林边缘密度与动物流行病风险密切相关.
为了限制YFV的传播,需要最低的本地植被覆盖率值.

结论:

具有高连接性的碎片化景观有助于YFV的传播.
森林碎片化和边缘密度是YFV传播的关键因素.
景观连接性影响了YFV流通的地理范围.

关键词:

边缘密度边缘密度森林边缘的森林边缘黑马哥斯 (Haemagogus leucocelaenus) 是一种有毒的植物.景观指标景观指标锡尔瓦特黄热病 (Sylvatic yellow fever) 是一种黄热病.

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