Consistent role of Quaternary climate change in shaping current plant functional diversity patterns across European plant orders

Alejandro Ordonez*, Jens-Christian Svenning

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)
191 Downloads (Pure)

Abstract

Current and historical environmental conditions are known to determine jointly contemporary species distributions and richness patterns. However, whether historical dynamics in species distributions and richness translate to functional diversity patterns remains, for the most part, unknown. The geographic patterns of plant functional space size (richness) and packing (dispersion) for six widely distributed orders of European angiosperms were estimated using atlas distribution data and trait information. Then the relative importance of late-Quaternary glacial-interglacial climate change and contemporary environmental factors (climate, productivity, and topography) as determinants of functional diversity of evaluated orders was assesed. Functional diversity patterns of all evaluated orders exhibited prominent glacial-interglacial climate change imprints, complementing the influence of contemporary environmental conditions. The importance of Quaternary glacial-interglacial climate change factors was comparable to that of contemporary environmental factors across evaluated orders. Therefore, high long-term paleoclimate variability has imposed consistent supplementary constraints on functional diversity of multiple plant groups, a legacy that may permeate to ecosystem functioning and resilience. These findings suggest that strong near-future anthropogenic climate change may elicit long-term functional disequilibria in plant functional diversity.

Original languageEnglish
Article number42988
Number of pages11
JournalScientific Reports
Volume7
Issue number4
DOIs
Publication statusPublished - 23 Feb 2017

Keywords

  • Journal Article

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