检索结果-南通市图书馆

Does exploratory behavior or activity in a wild mouse explain susceptibility to virus infection？

Current Zoology 2018年第5期64卷 585-592页

作者： Bram VANDEN BROECKE Benny BORREMANS Joachim MARIEN Rhodes H. MAKUNDI Apia W. MASSAWE Herwig LEIRS Nelika K. HUGHES Evolutionary ecology Group Department of Biology University of Antwerp Antwerp 2610 Belgium Department of ecology and Evolutionary Biology University of California Los Angeles Los Angeles CA 90095-1606 USA and Pest Management Center Sokoine University of Agriculture Chuo Kikuu Morogoro 3110 Tanzania

Exploration and activity are often described as trade-offs between the fitness benefits of gathering information and resources, and the potential costs of increasing exposure to predators and para- sites. More exploratory individuals are predicted to have higher rates of parasitism, but this relationship has rarely been examined for virus infections in wild populations. Here, we used the multimammate mouse Mastomys natalensis to investigate the relationship between exploration, activity, and infection with Morogoro virus （MORV）. We characterized individual exploratory behav- ior （open field and novel object tests） and activity （trap diversity）, and quantified the relationship between these traits and infection status using linear regression. We found that M. natalensis expresses consistent individual differences, or personality types, in exploratory behavior （repeat- ability of 0.30, 95% CI： 0.21-0.36）. In addition, we found a significant contrasting effect of age on ex- ploration and activity where juveniles display higher exploration levels than adults, but lower field- activity. There was however no statistical evidence for a behavioral syndrome between these 2 traits. Contrary to our expectations, we found no correlation between MORV infection status and exploratory behavior or activity, which suggests that these behaviors may not increase exposure probability to MORV infection. This would further imply that variation in viral infection between individuals is not affected by between-individual variation in exploration and activity.

关键词： animal personality arenavirus disease ecology exploration Mastomys natalensis Morogoro virus.

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Can scavengers save zebras from anthrax? A modeling study

引用

Infectious disease Modelling 2021年第1期6卷 56-74页

作者： Crystal Mackey Christopher Kribs Department of Mathematics University of Texas at Arlington411 South Nedderman DriveBox 19408ArlingtonTX76019USA

Namibia’s Etosha National Park(ENP)is home to many different animals such as lions,jackals,hyenas,zebras,elephants,*** year,grazing animals are infected and die from anthrax caused by the bacteria Bacillus *** increases the number of carcasses in the park,which serve as food for scavengers such as *** study investigates the interplay between anthrax transmission in zebras and the scavenging of zebra carcasses in ENP,using a deterministic mathematical model to describe the population *** strive to answer the following research questions:Under what conditions can the presence of scavengers control anthrax outbreaks in zebra populations=Does carcass production by anthrax help or hurt scavengers in the long term?Standard qualitative analysis techniques distinguished outcomes(stable equilibria)using reproduction numbers as threshold *** found that,when scavengers feed on anthrax-laden carcasses,the scavengers help the zebras,by eliminating potential infection zones for the *** this way they reduce anthrax’s spread by orders of *** also identify conditions under which the presence of anthrax benefits the scavengers,in terms of death-to-birth ratios for zebras,scavengers and anthrax.

关键词： disease ecology Anthrax Scavengers Demographic reproductive number Dynamical system

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Neglected tropical diseases risk correlates with poverty and early ecosystem destruction

引用

Infectious diseases of Poverty 2023年第2期12卷 129-129页

作者： Arthur Ramalho Magalhães Cláudia Torres Codeço Jens-Christian Svenning Luis E.Escobar Paige Van de Vuurst Thiago Gonçalves-Souza Laboratory of Ecological Synthesis and Biodiversity Conservation (ECOFUN) Federal Rural University of Pernambuco Recife Brazil Scientific Computation Program (PROCC) Oswaldo Cruz Foundation (Fiocruz) Rio de Janeiro Brazil Center for Ecological Dynamics in a Novel Biosphere (ECONOVO) & Center for Biodiversity Dynamics in a Changing World (BIOCHANGE) Department of Biology. Aarhus University Aarhus Denmark Department of Fish and Wildlife Conservation Virginia Tech Blacksburg USA Center for Emerging Zoonotic and Arthropod-Borne Pathogens Virginia Tech Blacksburg USA Translational Biology Medicine and Health Program Virginia Tech Graduate School Blacksburg USA

Background Neglected tropical diseases affect the most vulnerable populations and cause chronic and debilitating *** vulnerability is a well-known and important determinant of neglected tropical *** example,poverty and sanitation could influence parasite ***,the quantitative impact of socioeconomic conditions on disease transmission risk remains poorly *** This study investigated the role of socioeconomic variables in the predictive capacity of risk models of neglected tropical zoonoses using a decade of epidemiological data(2007–2018)from ***-borne diseases investigated in this study included dengue,malaria,Chagas disease,leishmaniasis,and Brazilian spotted fever,while directly-transmitted zoonotic diseases included schistosomiasis,leptospirosis,and *** and socioeconomic predictors were combined with infectious disease data to build environmental and socioenvironmental sets of ecological niche models and their performances were *** Socioeconomic variables were found to be as important as environmental variables in influencing the estimated likelihood of disease transmission across large spatial *** combination of socioeconomic and environmental variables improved overall model accuracy(or predictive power)by 10%on average(Pdisease indicating poverty as a major factor for disease *** of natural vegetation cover between 2008 and 2018 was the most important environmental variable(42%relative variable importance,Pdisease probability,showing that these diseases are especially prevalent in areas where natural ecosystem destruction is

关键词： disease ecology Ecological niche model Socioecological system Vector-borne diseases Zoonosis Brazil

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：