Hierarchical analysis of mite community structures in Irish forests—A study of the relative contribution of location,forest type and microhabitat |
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| Institution: | 1. Division of Environmental Science and Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea;2. Department of Biology Education, Chonbuk National University, Jeonju-City, 54896, Republic of Korea;1. Department of General and Theoretical Ecology, University of Bremen, FB 02, UFT – Centre for Environmental Research and Sustainable Technology, Leobener Straße, 28359, Bremen, Germany;2. Department of Zoology and Entomology, University of the Free State, Private Bag x13, Phuthaditjhaba, 9866, South Africa;1. Shenandoah Family Practice Residency, Department of Family Medicine and Population Health, School of Medicine, Virginia Commonwealth University, Front Royal, Virginia;2. Department of Family Medicine, Franklin Square Hospital Center, Baltimore, Maryland;3. Department of Biostatistics and Department of Family Medicine and Population Health, School of Medicine, Virginia Commonwealth University, Richmond, Virginia;1. University of Göttingen, J.F. Blumenbach Institute of Zoology and Anthropology, Animal Ecology, Untere Karspüle 2, 37073 Göttingen, Germany;2. University of Göttingen, Centre of Biodiversity and Sustainable Land Use, Von-Siebold-Str. 8, 37075 Göttingen, Germany;1. University of Bremen, UFT Center for Environmental Research and Sustainable Technology, Leobener Str. 6, 28359, Bremen, Germany;2. Senckenberg Museum of Natural History, Am Museum 1, 02826 Görlitz, Germany |
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| Abstract: | In determining the overall γ-diversity within a land use type or when assessing the impact of a land use on biodiversity one has to consider the hierarchically nested nature of the γ-diversity. In this study we used a hierarchical approach to examine the diversity of mites, Oribatei and Mesostigmata, in various forest types in Ireland. The study included sampling at regional, stand, individual tree and microhabitat scales. α- and β-diversity (species richness) was examined at each of these scales and the proportional contribution to the variation accounted for by each level of the hierarchy was quantified. β-Diversity generally accounted for at least 50% of the γ-diversity at all levels of the habitat hierarchy with average values varying from 34% between regions, to 57.5% between forest types within region, to 63% between trees within forest type and 63% between microhabitats within a forest type. Differences between the fauna of microhabitats within a forest type accounted for approximately 30% of the total variation while that of forest types within regions accounted for 10.5%. These results are similar to those reported in several other studies but the study quantifies the variation by examining the relative contributions of α- and β-diversity to species richness. Redundancy Analysis allowed the identification of the proportional contribution of the hierarchical components to the variation in community structure in a manner which has not been used before for these systems. |
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| Keywords: | Biodiversity assessment αβγ diversity Forests Mite assemblages Canopy Soil |
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