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    Stump-harvesting for bioenergy probably has transient impacts on abundance, richness and community structure of beetle assemblages


    Shevlin, Karen D. and Hennessy, Roseanne and Dillon, Aoife B. and O'Dea, Philip and Griffin, Christine and Williams, Christopher D. (2017) Stump-harvesting for bioenergy probably has transient impacts on abundance, richness and community structure of beetle assemblages. Agricultural and Forest Entomology, 19. pp. 388-399. ISSN 1461-9555

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    Abstract

    Harvesting of tree stumps for bioenergy is popular and, although the environmental impact has been considered with respect to ecosystem processes, there have been fewer studies on the impact of stump-harvesting on biodiversity. We carried out pitfall-trap surveys of beetle communities at eight plots across four sites (four plots were clear-fells where stumps remained and four were clear-fells where stumps were harvested). Initially, we recovered 7743 beetles when stumps were extracted but still on site (Year 1). All beetles were identified to family level and ground beetles and wood-associated beetles to species level. One year after stumpswere extracted, the survey was repeated. In this collection, 2898 individual beetles were recovered. In Year 1, stump-harvesting had a negative impact on beetle abundance and richness.However, 1 year after stumps were removed, there were no significant differences in these variables at any site. At the community level, stump-harvesting weakly but significantly, affected carabid composition. One year after stumps were removed, stump-harvesting had no effect on community composition. Stump-harvesting initially negatively affects beetle abundance, family-richness and carabid species richness, as well as community structure, although any effects are not large, are site-specific and are probably not persistent

    Item Type: Article
    Keywords: Coleoptera; community ecology; environmental impacts; species richness; stump-harvesting;
    Academic Unit: Faculty of Science and Engineering > Biology
    Item ID: 11556
    Identification Number: https://doi.org/10.1111/afe.12218
    Depositing User: Dr. Christine Griffin
    Date Deposited: 01 Nov 2019 14:57
    Journal or Publication Title: Agricultural and Forest Entomology
    Publisher: Wiley
    Refereed: Yes
    URI:

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