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Multiscale drivers of carabid beetle (Coleoptera: Carabidae) assemblages in small European woodlands (Dataset)
| Content Provider | Dryad |
|---|---|
| Author | Marrec, Ronan Le Roux, Vincent Martin, Ludmilla Lenoir, Jonathan Brunet, Jörg Cousins, Sara De Smedt, Pallieter Deconchat, Marc Diekmann, Martin Ehrmann, Steffen Gallet-Moron, Emilie Giffard, Brice Liira, Jaan Lindgren, Jessica Valdés, Alicia Verheyen, Kris Wulf, Monika Decocq, Guillaume |
| Abstract | Aim The spatiotemporal connectivity of forest patches in lowland agricultural landscapes and their age matter to explain current biodiversity patterns across regional as well as biogeographical extents, to the point that it exceeds the contribution of macroclimate for plant diversity in the understory of temperate forests. Whether this holds true for other taxonomic groups remains largely unknown. Yet, it has important consequences for ecosystem functioning and the delivery of ecosystem services. Focusing on carabid beetle assemblages, we assessed the relative importance of macroclimatic, landscape, and patch attributes on driving local species richness (-diversity) and species dissimilarity between patches (-diversity). Location Deciduous forest patches in seven regions along a 2,100-km long latitudinal gradient across the European temperate forest biome, from southern France to central Sweden. Methods We sampled 221 forest patches in two 55-km landscape windows with contrasting management intensities. Carabid beetles were classified into four habitat-preference guilds: forest-specialist, forest-generalist, eurytopic, and open-habitat species. We quantified the multi-level environmental influence using mixed-effects models and variation partitioning analysis. Results We found that both - and -diversity were primarily determined by macroclimate, acting as a large-scale ecological filter on carabid assemblages among regions. Forest-patch conditions, including biotic and abiotic heterogeneity as well as patch age (but not patch size), increased -diversity of forest species. Landscape management intensity weakly influenced -diversity of forest species, but increased the number of non-forest species in forest patches. Beta-diversity of non-forest species increased with patch heterogeneity and decreased with landscape management intensity. Main conclusions Our results highlight the leading role of broad macroclimatic gradients over local and landscape factors in determining the composition of local carabid communities, thereby shedding light on macroecological patterns of arthropod assemblages. This study emphasizes the urgent need for preserving ancient forest patches embedded in agricultural landscapes, even the small and weakly connected ones. |
| File Size | 2609649 |
| File Format | HTM / HTML |
| ISSN | 1466822X |
| DOI | 10.5061/dryad.g79cnp5ns |
| Alternate Webpage(s) | https://datadryad.org/stash/downloads/file_stream/476751 |
| Language | English |
| Publisher Date | 2020-11-09 |
| Access Restriction | Open |
| Subject Keyword | Agricultural Landscapes Arthropods Biogeographic Gradient Carabid Beetles Habitat Quality Macroclimate Metacommunity Dynamics Smallforest |
| Content Type | Text |
| Resource Type | Data Set |
| Subject | Ecology Ecology, Evolution, Behavior and Systematics Global and Planetary Change |
