Soil microarthropods are only weakly impacted after 13 years of repeated drought treatment in wet and dry heathland soils |
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| Institution: | 1. Department of Bioscience, Aarhus University, Vejlsøvej 25, 8600 Silkeborg, Denmark;2. Department of Geoscience and Natural Resources, University of Copenhagen, Rolighedsvej 23, 1958 Frederiksberg, Denmark;3. Earth Surface Science, Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands;4. Centre for Ecology and Hydrology, Environment Centre Wales, Deiniol Road, Bangor LL57 2UW, UK;5. School of Environment, Natural Resources and Geography, Bangor University, Bangor LL57 2UW, UK;6. Bioinformatics Research Center (BiRC), Aarhus University, C.F. Møllers Allé 8, 8000 Aarhus C, Denmark;7. Department for Chemical and Biochemical Engineering, DTU – Technical University of Denmark, Anker Engelundsvej 1, DK-2800 Lyngby, Denmark;1. Department of Bioscience, Aarhus University, Vejlsøvej 25, DK-8600 Silkeborg, Denmark;2. ECT Oekotoxikologie GmbH, Böttgerstrasse 2-14, D-65439 Flörsheim, Germany;3. Departamento de Biología Animal, Biología Vegetal, y Ecología, Universidad de A Coruña, Rua da Fraga, 10, E-15008 A Coruña, Spain;4. Departamento de Ecología y Biología Animal, Universidad de Vigo, E-36310 Vigo, Spain;5. Center for Permafrost, Department of Geosciences and Natural Resource Management, University of Copenhagen, Øster Voldgade 10, DK-1350 Copenhagen K, Denmark;6. Terrestrial Ecology Section, Department of Biology, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen Ø, Denmark;7. Department of Geosciences and Natural Resource Management, Section of Forest, Nature and Biomass, Rolighedsvej 23, DK-1958 Frederiksberg C, Denmark;8. Department of Chemical and Biochemical Engineering, Centre for Ecosystems and Environmental Sustainability, Technical University of Denmark, Frederiksborgvej 399, DK-4000 Roskilde, Denmark;9. Norwegian Institute for Water Research – NIVA, Gaustadalléen 31, N-0349 Oslo, Norway;1. Department of Biology, University of Western Ontario, 1151 Richmond St, London, ON, N6A 3K7, Canada;2. Ontario Forest Research Institute, Science and Research Branch, Ontario Ministry of Northern Development, Mines, Natural Resources and Forestry, Sault Ste Marie, ON, Canada;1. Justus Liebig University, Department of Animal Ecology, Heinrich-Buff-Ring 26, 35392, Giessen, Germany;2. A.N.Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninsky Pr. 77, 119071, Moscow, Russia |
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| Abstract: | Studies of biological responses in the terrestrial environment to rapid changes in climate have mostly been concerned with aboveground biota, whereas less is known of belowground organisms. The present study focuses on mites and springtails of heathland ecosystems and how the microarthropod community has responded to simulated climate change in a long-term field experiment. Increased temperature and repeated drought was applied for 13 years to field plots located in Wales, The Netherlands and Denmark representing sites of contrasting climatic conditions with respect to precipitation and temperature. This approach provided an opportunity to study biological responses on a local (within sites) and regional scale. Warming treatments increasing night time temperature (0.3–1 °C higher than ambient at 5 cm soil depth) had no detectable effects on the microarthropod communities. Increased intensity and frequency of drought had only weak persistent effects on springtail species composition, but practically no effect on major mite groups (Oribatida, Prostigmata or Mesostigmata) suggesting that ecosystem functions of microarthropods may only be transiently impacted by repeated spring or summer drought. |
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| Keywords: | Acari Climate change Collembola Community composition Soil fauna Drought |
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