SPATIAL VARIATION IN DAMAGE DISPERSION, AND THE RELATIONSHIP BETWEEN DAMAGE INTENSITY AND ABUNDANCE OF THE PINE WEEVIL (HYLOBIUS-ABIETIS L)

WL Wilson, KR Day

    Research output: Contribution to journalArticle

    12 Citations (Scopus)

    Abstract

    Damage caused by the pine weevil (Hylobius abietis) to recently planted Sitka spruce (Picea sitchensis [Bong.] Carr.) was assessed at 82 forest sites in Northern Ireland. Adult weevil numbers were estimated at each site by billet trapping. An examination of within site variation in damage dispersion suggested that single point or transect assessment of variation provided a reliable estimate of damage over a limited area. However, there was a marked temporal effect on estimation efficiency. Variation in damage between sites and weevil abundance was related although much intrasite variation remains unexplained.
    Original languageEnglish
    Pages (from-to)46-49
    JournalInternational Journal of Pest Management
    Volume40
    Issue number1
    Publication statusPublished - Jan 1994

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