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  • Unintended Consequences of Conservation Actions: Managing Disease in Complex Ecosystems

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    Chauvenet158874-Published.pdf (155.8Kb)
    File version
    Version of Record (VoR)
    Author(s)
    Chauvenet, Alienor LM
    Durant, Sarah M
    Hilborn, Ray
    Pettorelli, Nathalie
    Griffith University Author(s)
    Chauvenet, Ali
    Year published
    2011
    Metadata
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    Abstract
    Infectious diseases are increasingly recognised to be a major threat to biodiversity. Disease management tools such as control of animal movements and vaccination can be used to mitigate the impact and spread of diseases in targeted species. They can reduce the risk of epidemics and in turn the risks of population decline and extinction. However, all species are embedded in communities and interactions between species can be complex, hence increasing the chance of survival of one species can have repercussions on the whole community structure. In this study, we use an example from the Serengeti ecosystem in Tanzania to explore ...
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    Infectious diseases are increasingly recognised to be a major threat to biodiversity. Disease management tools such as control of animal movements and vaccination can be used to mitigate the impact and spread of diseases in targeted species. They can reduce the risk of epidemics and in turn the risks of population decline and extinction. However, all species are embedded in communities and interactions between species can be complex, hence increasing the chance of survival of one species can have repercussions on the whole community structure. In this study, we use an example from the Serengeti ecosystem in Tanzania to explore how a vaccination campaign against Canine Distemper Virus (CDV) targeted at conserving the African lion (Panthera leo), could affect the viability of a coexisting threatened species, the cheetah (Acinonyx jubatus). Assuming that CDV plays a role in lion regulation, our results suggest that a vaccination programme, if successful, risks destabilising the simple two-species system considered, as simulations show that vaccination interventions could almost double the probability of extinction of an isolated cheetah population over the next 60 years. This work uses a simple example to illustrate how predictive modelling can be a useful tool in examining the consequence of vaccination interventions on non-target species. It also highlights the importance of carefully considering linkages between human-intervention, species viability and community structure when planning species-based conservation actions. © 2011 Chauvenet et al.
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    Journal Title
    PLoS One
    Volume
    6
    Issue
    12
    DOI
    https://doi.org/10.1371/journal.pone.0028671
    Copyright Statement
    © 2011 Chauvenet et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
    Subject
    Ecology
    Environmental management
    Science & Technology
    Multidisciplinary Sciences
    Science & Technology - Other Topics
    DOGS LYCAON-PICTUS
    LONG-TERM
    Publication URI
    http://hdl.handle.net/10072/407901
    Collection
    • Journal articles

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