Coarse woody debris,soil properties and snails (Mollusca: Gastropoda) in European primeval forests of different environmental conditions |
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| Institution: | 1. Department for Terrestrial Ecology, Institute for Zoology, University of Cologne, Weyertal 119, 50923 Köln, Germany;2. Slovak Academy of Sciences, Institute for Forest Ecology, Sturova 2, SK-96053 Zvolen, Slovakia;1. Department of Geography, University of Manchester, Arthur Lewis Building, Oxford Road, Manchester M13 9PL, United Kingdom;2. Research Laboratory for Archaeology and the History of Art, University of Oxford, Dyson Perrins Building, South Parks Road, Oxford OX1 3QY, United Kingdom;3. GFZ German Research Centre for Geosciences, Section 5.2 Climate Dynamics and Landscape Evolution, Potsdam, Germany;4. Centre for Quaternary Research, Royal Holloway University of London, Egham, Surrey TW20 0EX, United Kingdom;5. Department of Geology, Trinity College Dublin, College Green, Dublin 2, Ireland;6. Department of Earth Sciences, Royal Holloway University of London, United Kingdom;1. Institute for Integrated Natural Sciences, University Koblenz-Landau, Universitätsstrasse 1, 56070 Koblenz, Germany;2. Department of Animal Ecology, German Federal Institute of Hydrology – BfG, Am Mainzer Tor 1, 56068 Koblenz, Germany;1. Department of Zoology and Developmental Biology, University of Kassel, Heinrich-Plett-Straße 20, 34132 Kassel, Germany;2. Zoological Institute, Technical University of Braunschweig, Mendelssohnstraße 4, 38106 Braunschweig, Germany |
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| Abstract: | We studied the snail fauna of four primeval forests of Central Slovakia and focused on the influence of forest type and coarse woody debris (CWD) on species assemblages. We found a total of 3281 individuals from 39 species. Species assemblages differed between the forests. In SW-facing oak forests, CWD enhanced the proportion of forest species such as the wood-grazing Cochlodina laminata and decreased the proportion of euryecious species like the litter-dwelling Punctum pygmaeum. In NE-facing beech forests, hygrophilous species such as Carychium tridentatum dominated the assemblages. This litter-dwelling snail was especially abundant close to CWD. The NE-facing beech forests harbored more species and individuals than the SW-facing oak forests did. CWD enhanced snail abundance, species richness and biodiversity, irrespective of forest type. We found positive correlations for abundance and species richness to the amount of leaf litter, Corg, Ntot, Ca2+, and K+; snail abundance was also positively correlated to soil pH. All these soil chemical factors were higher close to CWD than distant from CWD. |
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