Using genetic techniques to quantify reinvasion, survival and in situ breeding rates during control operations

A. J. Veale, K. A. Edge, P. McMurtrie, R. M. Fewster, M. N. Clout, Dianne GLEESON

    Research output: Contribution to journalArticle

    24 Citations (Scopus)

    Abstract

    Determining the origin of individuals caught during a control/eradication programme enables conservation managers to assess the reinvasion rates of their target species and evaluate the level of success of their control methods. We examine how genetic techniques can focus management by distinguishing between hypotheses of `reinvasion? and `survivor?, and defining kin groups for invasive stoats (Mustela erminea) on Secretary Island, New Zealand. 205 stoats caught on the island were genotyped at 16 microsatellite loci, along with 40 stoats from the opposing mainland coast, and the age and sex were determined for each individual. Using these data, we compare and combine a variety of genetic techniques including genetic clustering, population assignment and kinship-based techniques to assess the origin of each stoat. The population history and individual movement could be described in fine detail, with results indicating that both in-situ survival and breeding, and reinvasion are occurring. Immigration to the island was found to be generally low, apart from in 1 year where around 8 stoats emigrated from the mainland. This increased immigration was probably linked to a stoat population spike on the mainland in that year, caused by a masting event of southern beech forest (Nothofagus sp.) and the subsequent rodent irruption. Our study provides an example of some of the ways genetic analyses can feed directly into informing management practices for invasive species.
    Original languageEnglish
    Pages (from-to)5071-5083
    Number of pages13
    JournalMolecular Ecology
    Volume22
    Issue number20
    DOIs
    Publication statusPublished - 2013

    Fingerprint

    Mustela erminea
    Genetic Techniques
    Islands
    Breeding
    Emigration and Immigration
    breeding
    immigration
    Survival
    masting
    Fagus
    Introduced Species
    kinship
    Practice Management
    Population Genetics
    New Zealand
    invasive species
    Microsatellite Repeats
    population genetics
    Population
    rodent

    Cite this

    Veale, A. J. ; Edge, K. A. ; McMurtrie, P. ; Fewster, R. M. ; Clout, M. N. ; GLEESON, Dianne. / Using genetic techniques to quantify reinvasion, survival and in situ breeding rates during control operations. In: Molecular Ecology. 2013 ; Vol. 22, No. 20. pp. 5071-5083.
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    Using genetic techniques to quantify reinvasion, survival and in situ breeding rates during control operations. / Veale, A. J.; Edge, K. A.; McMurtrie, P.; Fewster, R. M.; Clout, M. N.; GLEESON, Dianne.

    In: Molecular Ecology, Vol. 22, No. 20, 2013, p. 5071-5083.

    Research output: Contribution to journalArticle

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