Ionomics suggests niche differences between sympatric heathers (Ericaceae) - IRD - Institut de recherche pour le développement Access content directly
Journal Articles Plant and Soil Year : 2019

Ionomics suggests niche differences between sympatric heathers (Ericaceae)

Abstract

Background and aims The co-existence of large number of competing plant species with the same basic needs is a major question in ecology, particularly when this involves closely related species.MethodsWe investigated the ecology of six heather species (Calluna vulgaris & Erica spp., Ericaceae) able to cohabit in the same heathlands. We characterised the ionome, i.e. the mineral composition of the plants using a sampling strategy specifically designed to control for soil effects. Nine plant communities in Limousin, France, were investigated, representing eight combinations of different species, on serpentine and non-serpentine substrates.Results Ionome was influenced by both taxonomic and environmental factors with significant interactions between them. We found that species growing in sympatry had distinct ionomic profiles, i.e. they differ in their leaf mineral content, suggesting different nutritional strategies. Different mycorrhizal associations may be hypothesised to explain these different chemical signatures. Conclusions Differential use of the soil nutrients could explain the co-existence of closely related species. It may also explain the diversity of certain shrubby ecosystems or large shrubby genera such as Erica. Ionomics is therefore a promising tool for ecological studies in non-model organisms.
Fichier principal
Vignette du fichier
EricaRRR2sanscorrections.pdf (713.25 Ko) Télécharger le fichier
Origin : Files produced by the author(s)

Dates and versions

ird-03635355 , version 1 (08-04-2022)

Identifiers

Cite

Daniel Petit, Christelle Gady, Marilyne Soubrand, Emmanuel Joussein, Gaëlle Saladin, et al.. Ionomics suggests niche differences between sympatric heathers (Ericaceae). Plant and Soil, 2019, Plant and Soil, 434 (1-2), pp.481-489. ⟨10.1007/s11104-018-3870-8⟩. ⟨ird-03635355⟩
64 View
50 Download

Altmetric

Share

Gmail Facebook X LinkedIn More