Addressing the impact of canine distemper spreading on an isolated tiger population in northeast Asia

作     者：Dawei WANG James L.D.SMITH Francesco ACCATINO Jianping GE Tianming WANG 

作者机构：Ministry of Education Key Laboratory for Biodiversity Science and EngineeringNFGA Key Laboratory for Conservation Ecology of Northeast Tiger and Leopard&College of Life SciencesBeijing Normal UniversityBeijingChina Department of FisheriesWildlife and Conservation BiologyUniversity of MinnesotaSt.PaulMNUSA UMR SADAPTINRAEAgroParisTechUniversitéParis-SaclayPALAISEAU CedexFrance 

出 版 物：《Integrative Zoology》 (整合动物学（英文版）)

年 卷 期：2023年第18卷第6期

页      面：994-1008页

核心收录：

学科分类：0710[理学-生物学] 07[理学] 071002[理学-动物学] 

基　　金：This work was supported by the National Natural Science Foundation of China(31971539) the National Science and Technology Basic Resources Survey Program of China(2019FY101700) a scholarship from the China Scholarship Council(202106040062) 

主　　题：Amur tiger canine distemper virus habitat connectivity metamodel population viability analysis(PVA) 

摘      要：The continuation of the isolated Amur tiger(Panthera tigris altaica)population living along the China-Russia border is facing serious challenges due to factors such as its small size(including 38 individuals)and canine distemper virus(CDV).We use a population viability analysis metamodel,which consists of a traditional individual-based demographic model linked to an epidemiological model,to assess options for controlling the impact of negative factors through domestic dog management in protected areas,increasing connectivity to the neighboring large population(including more than 400 individuals),and habitat *** intervention,under inbreeding depression of 3.14,6.29,and 12.26 lethal equivalents,our metamodel predicted the extinction within 100 years is 64.4%,90.6%,and 99.8%,*** addition,the simulation results showed that dog management or habitat expansion independently will not ensure tiger population viability for the next 100 years,and connectivity to the neighboring population would only keep the population size from rapidly ***,when the above three conservation scenarios are combined,even at the highest level of 12.26 lethal equivalents inbreeding depression,population size will not decline and the probability of extinction will be5.8%.Our findings highlight that protecting the Amur tiger necessitates a multifaceted synergistic *** key management recommendations for this population underline the importance of reducing CDV threats and expanding tiger occupancy to its former range in China,but re-establishing habitat connectivity to the neighboring population is an important long-term objective.