Insularity promotes plant persistence strategies in edaphic island systems

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Authors

CONTI Luisa MÉNDEZ-CASTRO Francisco E. CHYTRÝ Milan GÖTZENBERGER Lars HÁJEK Michal HORSÁK Michal JIMÉNEZ-ALFARO Borja KLIMEŠOVÁ Jitka ZELENÝ David OTTAVIANI Gianluigi

Year of publication 2022
Type Article in Periodical
Magazine / Source Global Ecology and Biogeography
MU Faculty or unit

Faculty of Science

Citation
Web https://doi.org/10.1111/geb.13465
Doi http://dx.doi.org/10.1111/geb.13465
Keywords functional diversity; functional island biogeography; habitat specialists; island size; isolation; plant functional traits; target effect
Description Trait-based approaches are being used increasingly in island biogeography, providing key insights into the eco-evolutionary dynamics of insular systems. However, the determinants of persistence of plant species after they have arrived and established on an island remain largely unexplored. Here, we used three edaphic island systems (i.e., habitat patches distinguished from the landscape matrix by distinct soil conditions and specialized vegetation) to examine relationships between persistence strategies (those associated with clonality, bud bank, seed mass and life-form) and insularity. We hypothesized that insularity promotes and selects strategies to persist locally, such that species occurring on small and/or isolated edaphic islands show trait values indicative of enhanced persistence and lower functional diversity.
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