species richness-environment relationships of european arthropods at two spatial grains habitats and countries欧洲节肢动物物种richness-environment关系在两个空间谷物栖息地和国家.pdf

Species Richness-Environment Relationships of European Arthropods at Two Spatial Grains: Habitats and Countries 1,2 3 2,4 5 6 Martin H. Entling *, Oliver Schweiger , Sven Bacher , Xavier Espadaler , Thomas Hickler , 2,7 8 2 Sabrina Kumschick , Ben A. Woodcock , Wolfgang Nentwig 1 Institute for Environmental Sciences, University of Koblenz-Landau, Landau/Pfalz, Germany, 2 Community Ecology, University of Bern, Bern, Switzerland, 3 UFZ, Helmholtz Centre for Environmental Research, Department of Community Ecology, Halle, Germany, 4 Ecology and Evolution Unit, University of Fribourg, Fribourg, Switzerland, 5 Animal Biodiversity Group, Ecology Unit and CREAF, Autonomous University of Barcelona, Bellaterra, Spain, 6 Biodiversity and Climate Research Centre (BiK- ¨ F) Senckenberg Gesellschaft fur Naturforschung Department of Physical Geography at Goethe University, Frankfurt/Main, Germany, 7 Centre of Excellence for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Matieland, South Africa, 8 NERC Centre for Ecology Hydrology, Wallingford, Oxfordshire, United Kingdom Abstract We study how species richness of arthropods relates to theories concerning net primary productivity, ambient energy, water-energy dynamics and spatial environmental heterogeneity. We use two datasets of arthropod richness with similar spatial extents (Scandinavia to Mediterranean), but contrasting spatial grain (local habitat and country). Samples of ground- dwelling spiders, beetles, bugs and ants were collected from 32 paired habitats at 16 locations across Europe.