Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/30412
Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Tree diversity is key for promoting the diversity and abundance of forest-associated taxa in Europe
Author(s): Ampoorter, Evy
Barbaro, Luc
Jactel, Hervé
Baeten, Lander
Boberg, Johanna
Carnol, Monique
Castagneyrol, Bastien
Charbonnier, Yohan
Dawud, Seid Muhie
Deconchat, Marc
Smedt, Pallieter De
Wandeler, Hans De
Guyot, Virginie
Hättenschwiler, Stephan
Joly, François‐Xavier
Contact Email: francois-xavier.joly@stir.ac.uk
Keywords: climate
forest‐associated taxa
forest structure
soil conditions
tree functional composition
tree diversity
Issue Date: 1-Feb-2020
Citation: Ampoorter E, Barbaro L, Jactel H, Baeten L, Boberg J, Carnol M, Castagneyrol B, Charbonnier Y, Dawud SM, Deconchat M, Smedt PD, Wandeler HD, Guyot V, Hättenschwiler S & Joly F (2020) Tree diversity is key for promoting the diversity and abundance of forest-associated taxa in Europe. Oikos, 129 (2), pp. 133-146. https://doi.org/10.1111/oik.06290
Abstract: Plant diversity is an important driver of diversity at other trophic levels, suggesting that cascading extinctions could reduce overall biodiversity. Most evidence for positive effects of plant diversity comes from grasslands. Despite the fact that forests are hotspots of biodiversity, the importance of tree diversity, in particular its relative importance compared to other management related factors, in affecting forest‐associated taxa is not well known. To address this, we used data from 183 plots, located in different forest types, from Mediterranean to Boreal, and established along a climatic gradient across six European countries (FunDivEUROPE project). We tested the influence of tree diversity, tree functional composition (i.e. functional trait values), forest structure, climate and soil on the diversity and abundance/activity of nine taxa (bats, birds, spiders, microorganisms, earthworms, ungulates, foliar fungal pathogens, defoliating insects and understorey plants) and on their overall diversity and abundance/activity (multidiversity,multiabundance/activity). Tree diversity was a key driver of taxon‐level and overall forest‐associated biodiversity, along with tree functional composition, forest structure, climate and soil. Both tree species richness and functional diversity (variation in functional trait values) were important. The effects of tree diversity on the abundance/activity of forest‐associated taxa were less consistent. Nonetheless, spiders, ungulates and foliar fungal pathogens were all more abundant/active in diverse forests. Tree functional composition and structure were also important drivers of abundance/activity: conifer stands had lower overall multidiversity (although the effect was driven by defoliating insects), while stands with potentially tall trees had lower overall multiabundance/activity. We found more synergies than trade‐offs between diversity and abundance/activity of different taxa, suggesting that forest management can promote high diversity across taxa. Our results clearly show the high value of mixed forest stands for multiple forest‐associated taxa and indicate that multiple dimensions of tree diversity (taxonomic and functional) are important.
DOI Link: 10.1111/oik.06290
Rights: This item has been embargoed for a period. During the embargo please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. This is the peer reviewed version of the following article: Ampoorter, E., Barbaro, L., Jactel, H., Baeten, L., Boberg, J., Carnol, M., Castagneyrol, B., Charbonnier, Y., Dawud, S.M., Deconchat, M., Smedt, P.D., Wandeler, H.D., Guyot, V., Hättenschwiler, S., Joly, F.‐X., Koricheva, J., Milligan, H., Muys, B., Nguyen, D., Ratcliffe, S., Raulund‐Rasmussen, K., Scherer‐Lorenzen, M., van der Plas, F., Keer, J.V., Verheyen, K., Vesterdal, L. and Allan, E. (2020), Tree diversity is key for promoting the diversity and abundance of forest‐associated taxa in Europe. Oikos, 129: 133-146, which has been published in final form at https://doi.org/10.1111/oik.06290. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for self-archiving.
Notes: Additional co-authors: Julia Koricheva, Harriet Milligan, Bart Muys, Diem Nguyen, Sophia Ratcliffe, Karsten Raulund-Rasmussen, Michael Scherer-Lorenzen, Fons van der Plas, J. Van Keer, Kris Verheyen, Lars Vesterdal and Eric Allan

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