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      Identifying appropriate sampling and modelling approaches for analysing distributional patterns of Antarctic terrestrial arthropods along the Victoria Land latitudinal gradient

      Caruso, Tancredi; Hogg, Ian D.; Bargagli, Roberto
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      Caruso Hogg Bargagli 2010.pdf
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      DOI
       10.1017/S095410201000043X
      Link
       journals.cambridge.org
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      Caruso, T., Hogg, I.D. & Bargagli, R. (2010). Identifying appropriate sampling and modelling approaches for analysing distributional patterns of Antarctic terrestrial arthropods along the Victoria Land latitudinal gradient. Antarctic Science, 22(6), 742-748.
      Permanent Research Commons link: https://hdl.handle.net/10289/5093
      Abstract
      Biotic communities in Antarctic terrestrial ecosystems are relatively simple and often lack higher trophic levels (e.g. predators); thus, it is often assumed that species’ distributions are mainly affected by abiotic factors such as climatic conditions, which change with increasing latitude, altitude and/or distance from the coast. However, it is becoming increasingly apparent that factors other than geographical gradients affect the distribution of organisms with low dispersal capability such as the terrestrial arthropods. In Victoria Land (East Antarctica) the distribution of springtail (Collembola) and mite (Acari) species vary at scales that range from a few square centimetres to regional and continental. Different species show different scales of variation that relate to factors such as local geological and glaciological history, and biotic interactions, but only weakly with latitudinal/altitudinal gradients. Here, we review the relevant literature and outline more appropriate sampling designs as well as suitable modelling techniques (e.g. linear mixed models and eigenvector mapping), that will more adequately address and identify the range of factors responsible for the distribution of terrestrial arthropods in Antarctica.
      Date
      2010
      Type
      Journal Article
      Publisher
      Cambridge University Press
      Rights
      Copyright Antarctic Science Ltd 2010
      Collections
      • Science and Engineering Papers [3122]
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