资源驱动的野猪运动变化及其对俄罗斯远东地区非洲猪瘟传播的影响

IF 1.7 3区 生物学 Q3 ECOLOGY
Scott J. Waller, K. Morelle, I. Seryodkin, Alexander N. Rybin, Svetlana V. Soutyrina, A. Licoppe, M. Hebblewhite, D. Miquelle
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引用次数: 0

摘要

动物移动模式的知识对于了解疾病在野生动物种群中的传播非常宝贵。最近东亚地区的野猪种群爆发非洲猪瘟(ASF)疫情就是一个例子,而东亚地区缺乏有关该物种移动的信息。在俄罗斯远东地区锡霍特-阿林生物圈 Zapovednik 开展的一个野猪追踪项目中,2019 年秋季至 2020 年秋季期间橡子和松子等脉冲资源的变化很大,而后一年又爆发了非洲猪瘟,这为研究野猪利用脉冲资源的运动与疾病传播的可能性之间的关系提供了难得的机会。我们分析了 2019 年秋季和 2020 年 GPS 定位野猪的迁移数据,并将其与代表西欧的比利时的参考数据进行了比较。我们发现,远东野猪在 2020 年秋季橡子供应量较低时的迁移模式存在明显差异,远东野猪的迁移距离较远(四天内观察到的最大迁移距离为 77 公里)。在资源选择分析中,我们发现野猪明显选择了桅杆产量较高的森林类型,这与当年桅杆产量较高的物种(橡树或松树)相对应。比较野猪个体在 1-7 天(从感染到出现 ASF 症状之间的时间)移动窗口内的迁移情况,突出表明当野猪寻找脉冲资源时,ASF 有可能迅速远距离传播。这项研究表明,野猪有能力长距离移动以利用资源,并强调在预测 ASF 等疾病的传播速度和范围时,需要考虑资源的可用性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Resource‐driven changes in wild boar movement and their consequences for the spread of African Swine Fever in the Russian Far East
Knowledge of animal movement patterns is invaluable to understanding the spread of diseases among wildlife populations. One example is the recent African swine fever (ASF) outbreak among wild boar Sus scrofa populations across East Asia, where there is a lack of information on movements of this species. During a wild boar tracking project to inform abundance estimation methods in the Russian Far East's Sikhote‐Alin Biosphere Zapovednik, the combination of high variability in pulsed resources of acorns and pine nuts between fall 2019 and fall 2020, and the outbreak of ASF during the latter year, offered the unique opportunity to investigate the relationship between wild boar movements to exploit pulsed resources and the potential for disease spread. We analyzed relocation data from GPS‐collared wild boar in fall 2019 and 2020 and compared them to reference data in Belgium, representative of western Europe. We found remarkable differences in movement patterns, with Far East wild boar travelling large distances in fall 2020 (maximum observed of 77 km in four days) when the availability of acorns was low. In our resource selection analysis, we found clear selection for mast‐producing forest types that corresponded with the species of greater mast production (oak or pine) for that year. Comparing the displacement of individual wild boar along a moving window of 1–7 days (time between infection and the onset ASF symptoms) highlighted the potential of rapid ASF spread over long distances when wild boar are in search of pulsed resources. This work demonstrates the capacity of wild boar to move long distances to exploit resources and emphasizes the need to consider resource availability when predicting the speed and extent to which diseases such as ASF can spread.
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来源期刊
Wildlife Biology
Wildlife Biology 生物-动物学
CiteScore
4.30
自引率
0.00%
发文量
33
审稿时长
>12 weeks
期刊介绍: WILDLIFE BIOLOGY is a high-quality scientific forum directing concise and up-to-date information to scientists, administrators, wildlife managers and conservationists. The journal encourages and welcomes original papers, short communications and reviews written in English from throughout the world. The journal accepts theoretical, empirical, and practical articles of high standard from all areas of wildlife science with the primary task of creating the scientific basis for the enhancement of wildlife management practices. Our concept of ''wildlife'' mainly includes mammal and bird species, but studies on other species or phenomena relevant to wildlife management are also of great interest. We adopt a broad concept of wildlife management, including all structures and actions with the purpose of conservation, sustainable use, and/or control of wildlife and its habitats, in order to safeguard sustainable relationships between wildlife and other human interests.
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