Number of figures, tables and text boxes: 4
Corresponding author: Alejandro MartÃnez.
alejandro.martinezgarcia@cnr.it
Author contribution. AM, SM, PO, and DF conceived the study. PO,
HL, APD, and RG collected species distribution data and traits. AM led
the analysis with support by SM. DF, PO, and HL provided a critical
interpretation of the results. AM led the writing of the first draft,
with substantial inputs by SM and PO. All authors contributed to the
writing of suggestions and additions to the text.
Data accessibility. All data and scripts will fully available at
the Dryad repository upon publication