内蒙古自治区锡林郭勒盟气候因素与两种鼠疫病媒宿主跳蚤指数的关系

IF 3.5 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH
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引用次数: 0

摘要

气候因素与病媒传播疾病的发生密切相关,同时也影响着病媒的分布。鼠疫的发生与跳蚤及其寄主动物的种群动态以及气候条件密切相关。本研究以锡林郭勒盟为研究对象,利用了 2012 年至 2021 年的气候和跳蚤指数数据。通过斯皮尔曼相关性分析和 "Boruta "重要性分析筛选气候变量。采用广义相加模型(GAM)研究气候因素和鼠密度对跳蚤指数的影响。GAM 分析显示,不同啮齿动物宿主的跳蚤指数有不同的变化趋势。对于Meriones unguiculatus,跳蚤指数随着密度的增加和湿度的增加而下降,但随着滞后日照时间的增加而上升。对于 Spermophilus dauricus,跳蚤指数最初随密度增加而上升,随后下降,当地面温度较低时指数上升。这项研究揭示了气候因素、密度和跳蚤指数之间的非线性相互作用和滞后效应。气候因素和密度对两种鼠疫耶尔森氏菌宿主的跳蚤指数有不同程度的影响。这项研究推动了鼠疫控制的预测和预警工作,为灭鼠和灭蚤策略提供了理论依据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Relationship between climatic factors and the flea index of two plague hosts in Xilingol League, Inner Mongolia Autonomous Region

Climatic factors are closely associated with the occurrence of vector-borne diseases, and they also influence the distribution of vectors. The occurrence of plague is closely related to the population dynamics of fleas and their host animals, as well as climatic conditions. This study focused on Xilingol League, utilizing climatic and flea index data from 2012 to 2021. Spearman correlation and "Boruta" importance analysis were conducted to screen for climatic variables. A generalized additive model (GAM) was employed to investigate the influence of climatic factors and rodent density on the flea index. GAM analysis revealed distinct trends in flea index among different rodent hosts. For Meriones unguiculatus, the flea index declined with increased density and with higher humidity, yet rose with greater lagged sunshine duration. For Spermophilus dauricus, an initial increase in flea index with density was observed, followed by a decrease, and a rise in the index was noted when ground temperatures were low. This study reveals the nonlinear interactions and lag effects among climatic factors, density, and flea index. Climatic factors and density variably influence the flea index of two Yersinia pestis hosts. This research advances the prediction and early warning efforts for plague control, providing a theoretical basis for rodent and flea eradication strategies.

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来源期刊
Biosafety and Health
Biosafety and Health Medicine-Infectious Diseases
CiteScore
7.60
自引率
0.00%
发文量
116
审稿时长
66 days
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