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  • Implications of climate change on the behaviour and activity patterns of the ubiquitous meat ant, 'Iridomyrmex purpureus' (Hymenoptera, Formicidae, Smith, 1858)

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    Author(s)
    Perston, Yinika
    Andrew, Nigel R
    McDonald, Paul G
    Griffith University Author(s)
    Perston, Yinika
    Year published
    2018
    Metadata
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    Abstract
    Ground temperatures can significantly influence the behaviour and activity patterns of small ectothermic and regional heterothermic species. This is critical to consider in light of a rapidly changing macroclimate, as shifts in behaviours such as foraging and aggression levels will also have more extreme impacts at smaller spatial scales. Here we assessed the effect temperature has on the actual behaviours completed, or 'task allocation' of the dominant Australian meat ant, 'Iridomymex purpureus' (Smith, 1858), at a temperate site in south-eastern Australia. Results indicate that 'I. purpureus' activity is directly affected ...
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    Ground temperatures can significantly influence the behaviour and activity patterns of small ectothermic and regional heterothermic species. This is critical to consider in light of a rapidly changing macroclimate, as shifts in behaviours such as foraging and aggression levels will also have more extreme impacts at smaller spatial scales. Here we assessed the effect temperature has on the actual behaviours completed, or 'task allocation' of the dominant Australian meat ant, 'Iridomymex purpureus' (Smith, 1858), at a temperate site in south-eastern Australia. Results indicate that 'I. purpureus' activity is directly affected by temperature, with higher levels of activity being carried out at greater speeds as soil surface temperatures increase. In addition, this study provides the first ethogram of 'I. purpureus' behaviours. As temperatures are expected to continue increasing owing to anthropogenic climate change, the ants may modify their behaviours to effectively forage in a warmer climate. This may include foraging earlier and later during the day, and changing interaction patterns between nest mates.
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    Journal Title
    General and Applied Entomology
    Volume
    46
    Publisher URI
    https://search.informit.com.au/documentSummary;dn=088270089666680;res=IELHSS
    Subject
    Zoology
    Iridomyrmex purpureus
    behaviour
    temperature
    climate change
    Publication URI
    http://hdl.handle.net/10072/390933
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    • Journal articles

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