Articles | Volume 19, issue 6
Research article
24 Mar 2022
Research article |  | 24 Mar 2022

Geodiversity and biodiversity on a volcanic island: the role of scattered phonolites for plant diversity and performance

David Kienle, Anna Walentowitz, Leyla Sungur, Alessandro Chiarucci, Severin D. H. Irl, Anke Jentsch, Ole R. Vetaas, Richard Field, and Carl Beierkuhnlein

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Cited articles

Abratis, M., Viereck, L., Pfänder, J. A., and Hentschel, R.: Geochemical composition, petrography and 40Ar/39Ar age of the Heldburg phonolite: implications on magma mixing and mingling, Int. J. Earth. Sci., 104, 2033–2055,, 2015. 
Ackerman, L., Ulrych, J., Randa, Z., Erban, V., Hegner, E., Magna, T., Balogh, K., Frána, J., Milos, L., and Novák, J. K.: Geochemical characteristics and petrogenesis of phonolites and trachytic rocks from the České Středohoří Volcanic Complex, the Ohře Rift, Bohemian Massif, Elsevier Lithos, 224, 256–271,, 2015. 
Alahuhta, J., Toivanen, M., and Hjort, J.: Geodiversity–biodiversity relationship needs more empirical evidence, Nat. Ecol. Evol., 4, 2–3,, 2020. 
Atlantis 2021: Biodiversity Data Bank of the Canary Islands, Gobierno de las Canarias, 2021. 
Bailey, J. J., Boyd, D. S., Hjort, J., Lavers, C. P., and Field, R.: Modelling native and alien vascular plant species richness: at which scales is geodiversity most relevant?, Glob. Ecol. Biogeogr., 26, 763–776,, 2017. 
Short summary
Volcanic islands consist mainly of basaltic rocks. Additionally, there are often occurrences of small phonolite rocks differing in color and surface. On La Palma (Canary Islands), phonolites appear to be more suitable for plants than the omnipresent basalts. Therefore, we expected phonolites to be species-rich with larger plant individuals compared to the surrounding basaltic areas. Indeed, as expected, we found more species on phonolites and larger plant individuals in general.
Final-revised paper