Explaining the saproxylic beetle diversity of a protected Mediterranean area

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Title: Explaining the saproxylic beetle diversity of a protected Mediterranean area
Authors: Micó, Estefanía | García López, Alejandra | Brustel, Hervé | Padilla, Ascension | Galante, Eduardo
Research Group/s: Biodiversidad y Biotecnología aplicadas a la Biología de la Conservación | Medio, Sociedad y Paisaje (MedSPai) | Paisajes y Recursos Naturales en España
Center, Department or Service: Universidad de Alicante. Departamento de Ciencias Ambientales y Recursos Naturales | Universidad de Alicante. Departamento de Análisis Geográfico Regional y Geografía Física | Universidad de Alicante. Centro Iberoamericano de la Biodiversidad | Universidad de Alicante. Instituto Interuniversitario de Geografía
Keywords: Indicator species | Mosaic landscape | National Park | Species turnover | Mediterranean Woodland
Knowledge Area: Zoología | Geografía Física
Issue Date: Apr-2013
Publisher: Springer Science+Business Media Dordrecht
Citation: Biodiversity and Conservation. 2013, 22(4): 889-904. doi:10.1007/s10531-013-0456-x
Abstract: Saproxylic beetle diversity is high at the Cabañeros National Park (central Spain), where woodland habitats exhibit remarkable heterogeneity. Our aim was to explain the diversity of saproxylic beetles, focusing on species turnover among mature woodland types. We surveyed five woodland types that represented the heterogeneity of the park’s woodland habitats. Beetles were collected using window traps over a period of 20 months. The Jaccard Similarity Index was used as indirect value of beta diversity among woodlands and to test the relation between species turnover and geographical distance. We also identified the contribution of species turnover to landscape diversity by using a partitioning model. Moreover, the presence of mixed woodlands (more than one tree species) allowed us to attempt to valorise the effect of tree species (coupled with their historical management) on species turnover among woodlands. Finally, we looked for different saproxylic beetle preferences for habitat and tree species using an indicator value method. We found that saproxylic beetle species composition varied significantly among the studied woodlands. The variation in species turnover was independent from the distance among woodlands, which suggested that beetle dispersal abilities could not explain this high turnover. Tree species within woodlands were a key factor that increased diversity turnover in woodlands and, consequently, the diversity of the park. Moreover, we found saproxylic beetle species that had different habitat and tree species preferences. We conclude that woodland heterogeneity (highly affected by woodland composition) seems to be the driving force for saproxylic beetle diversity in this protected area.
Sponsor: Financial support was provided by “Ministerio de Ciencia e Innovación” (CGL2008-04472/BOS, CGL2009-09656, CGL2011-23658) and by “Generalitat Valenciana” (ACOMP/2011/225 Project).
URI: http://hdl.handle.net/10045/38010
ISSN: 0960-3115 (Print) | 1572-9710 (Online)
DOI: 10.1007/s10531-013-0456-x
Language: eng
Type: info:eu-repo/semantics/article
Rights: The final publication is available at Springer via http://dx.doi.org/10.1007/s10531-013-0456-x
Peer Review: si
Publisher version: http://dx.doi.org/10.1007/s10531-013-0456-x
Appears in Collections:INV - MedSPai - Artículos de Revistas
INV - BBaBC - Artículos de Revistas
INV - Paisajes y Recursos Naturales en España - Artículos de Revistas

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