中国宁夏由环境因素决定的蜱虫分布和多样性

IF 4.1 2区 医学 Q1 INFECTIOUS DISEASES
Di Tian , Xiao-Ming Cui , Run-Ze Ye , Yu-Yu Li , Ning Wang , Wan-Ying Gao , Bai-Hui Wang , Zhe-Tao Lin , Wen-Jie Zhu , Qiu-Shi Wang , Ya-Ting Liu , Hua Wei , Yi-Fei Wang , Yi Sun , Xiao-Yu Shi , Na Jia , Jia-Fu Jiang , Wu-Chun Cao , Zhi-Hong Liu
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引用次数: 0

摘要

蜱虫是人畜共患病原体的重要传播媒介,对人类和动物健康的威胁与日俱增。考虑到中国宁夏回族自治区复杂的自然环境,我们预计该地区的蜱虫种类将多种多样。在此,我们对寄生蜱和寻找宿主的蜱进行了实地调查。共采集到蜱虫 10419 头,隶属于 4 属 9 种。在植被指数、海拔高度和七个气候因子方面,四种蜱属(Hyalomma、Dermacentor、Haemaphysalis 和 Ixodes)之间存在明显差异,只有 Haemaphysalis 和 Ixodes 之间在这些因素方面没有观察到明显差异。生态位建模显示,Hyalomma asiaticum 的适宜栖息地在宁夏西北部,年地表温度是最重要的因子。Dermacentor nuttalli 的适宜区在宁夏西南部和东部地区,海拔对其影响最大。蜱(D. silvarum)最适于宁夏南部地区,海拔也是最重要的因素。四种蜱(包括长角蜱、青海蜱、日本蜱和长角蜱)最适合在宁夏最南部分布,其中长角蜱的主要因素是年降水量,其他三种蜱的主要因素是海拔。不同蜱类的潜在分布预测结果为该地区蜱类和蜱传疾病的防控提供了科学依据。此外,宁夏实施的 "退耕还林还草绿化工程 "对蜱种群动态的后续影响也值得进一步研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Distribution and diversity of ticks determined by environmental factors in Ningxia, China

Distribution and diversity of ticks determined by environmental factors in Ningxia, China

Ticks are important vectors of zoonotic pathogens, and represent an increasing threat for human and animal health. Considering the complex natural environments of Ningxia Hui Autonomous Region, China, we expect the diverse tick species in this region. Here, we conduct a field survey on parasitic and host-seeking ticks. A total of 10,419 ticks were collected, which belonged to nine species of four genera. There were significant differences in terms of vegetation index, altitude, and seven climatic factors among the four tick genera —Hyalomma, Dermacentor, Haemaphysalis, and Ixodes, except between Haemaphysalis and Ixodes, where no significant differences were observed in these factors. The ecological niche modelling revealed that the suitable habitats for Hyalomma asiaticum was in the northwest Ningxia, with annual ground surface temperature as the most important factor. The suitable area for Dermacentor nuttalli was in the southwest and eastern regions of Ningxia with elevation as the highest contribution. D. silvarum was best suited to the southern Ningxia also with elevation as the most important factor. The four tick species including Haemaphysalis longicornis, Hae. qinghaiensis, Hae. japonica, and Ixodes persulcatus were best suited to the southernmost Ningxia with annual precipitation as the main factors for Hae. longicornis and elevation for the other three ticks. The results of predicted potential distribution of different tick species provide a scientific basis for the prevention and control of ticks and tick-borne diseases in the region. Furthermore, the subsequent impacts of the Greening Program to regain forests and grasslands from former agricultural lands in Ningxia on tick population dynamics deserve further investigation.

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来源期刊
One Health
One Health Medicine-Infectious Diseases
CiteScore
8.10
自引率
4.00%
发文量
95
审稿时长
18 weeks
期刊介绍: One Health - a Gold Open Access journal. The mission of One Health is to provide a platform for rapid communication of high quality scientific knowledge on inter- and intra-species pathogen transmission, bringing together leading experts in virology, bacteriology, parasitology, mycology, vectors and vector-borne diseases, tropical health, veterinary sciences, pathology, immunology, food safety, mathematical modelling, epidemiology, public health research and emergency preparedness. As a Gold Open Access journal, a fee is payable on acceptance of the paper. Please see the Guide for Authors for more information. Submissions to the following categories are welcome: Virology, Bacteriology, Parasitology, Mycology, Vectors and vector-borne diseases, Co-infections and co-morbidities, Disease spatial surveillance, Modelling, Tropical Health, Discovery, Ecosystem Health, Public Health.
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