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Publication type: Article in scientific journal
Type of review: Peer review (publication)
Title: Plant functional and taxonomic diversity in European grasslands along climatic gradients
Authors: Boonman, Coline C.F.
Santini, Luca
Robroek, Bjorn J.M.
Hoeks, Selwyn
Kelderman, Steven
Dengler, Jürgen
Bergamini, Ariel
Biurrun, Idoia
Carranza, Maria Laura
Cerabolini, Bruno E.L.
Chytrý, Milan
Jandt, Ute
Lysenko, Tatiana
Stanisci, Angela
Tatarenko, Irina
Rūsiņa, Solvita
Huijbregts, Mark A.J.
et. al: No
DOI: 10.1111/jvs.13027
Published in: Journal of Vegetation Science
Volume(Issue): 32
Issue: 3
Pages: e13027
Issue Date: 7-May-2021
Publisher / Ed. Institution: Wiley
ISSN: 1100-9233
Language: English
Subjects: Environmental filtering; Favourability hypothesis; Functional richness; Grassland diversity; Limiting similarity; Null model; Plant trait diversity; Precipitation gradient; Seasonality; Taxonomic richness; Temperature gradient; Trait-environment relationship
Subject (DDC): 333.7: Land, natural recreational areas
580: Plants (Botany)
Abstract: Aim European grassland communities are highly diverse, but patterns and drivers of their continental‐scale diversity remain elusive. This study analyses taxonomic and functional richness in European grasslands along continental‐scale temperature and precipitation gradients. Location Europe. Methods We quantified functional and taxonomic richness of 55,748 vegetation plots. Six plant traits, related to resource acquisition and conservation, were analysed to describe plant community functional composition. Using a null‐model approach we derived functional richness effect sizes that indicate higher or lower diversity than expected given the taxonomic richness. We assessed the variation in absolute functional and taxonomic richness and in functional richness effect sizes along gradients of minimum temperature, temperature range, annual precipitation, and precipitation seasonality using a multiple general additive modelling approach. Results Functional and taxonomic richness was high at intermediate minimum temperatures and wide temperature ranges. Functional and taxonomic richness was low in correspondence with low minimum temperatures or narrow temperature ranges. Functional richness increased and taxonomic richness decreased at higher minimum temperatures and wide annual temperature ranges. Both functional and taxonomic richness decreased with increasing precipitation seasonality and showed a small increase at intermediate annual precipitation. Overall, effect sizes of functional richness were small. However, effect sizes indicated trait divergence at extremely low minimum temperatures and at low annual precipitation with extreme precipitation seasonality. Conclusions Functional and taxonomic richness of European grassland communities vary considerably over temperature and precipitation gradients. Overall, they follow similar patterns over the climate gradients, except at high minimum temperatures and wide temperature ranges, where functional richness increases and taxonomic richness decreases. This contrasting pattern may trigger new ideas for studies that target specific hypotheses focused on community assembly processes. And though effect sizes were small, they indicate that it may be important to consider climate seasonality in plant diversity studies.
Fulltext version: Published version
License (according to publishing contract): CC BY 4.0: Attribution 4.0 International
Departement: Life Sciences and Facility Management
Organisational Unit: Institute of Natural Resource Sciences (IUNR)
Appears in collections:Publikationen Life Sciences und Facility Management

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