Recent and ancient evolutionary events shaped plant elemental composition of edaphic endemics: a phylogeny‐wide analysis of Iberian gypsum plants
0106 biological sciences
2. Zero hunger
Research
Variance partitioning
Plants
15. Life on land
Multiple phylogenetic variance decomposition (MPVD)
Calcium Sulfate
01 natural sciences
Stoichiometry
Ionome
Soil
Biogeochemical niche
13. Climate action
Ionome multiple phylogenetic variance decomposition (MPVD)
Edaphic endemics
Phylogenetic effects
Gypsophile
Ecosystem
Phylogeny
Sulfur
DOI:
10.1111/nph.18309
Publication Date:
2022-06-15T14:58:30Z
AUTHORS (14)
ABSTRACT
SummaryThe analysis of plant elemental composition and the underlying factors affecting its variation are a current hot topic in ecology. Ecological adaptation to atypical soils may shift plant elemental composition. However, no previous studies have evaluated its relevance against other factors such as phylogeny, climate or individual soil conditions.We evaluated the effect of the phylogeny, environment (climate, soil), and affinity to gypsum soils on the elemental composition of 83 taxa typical of Iberian gypsum ecosystems. We used a new statistical procedure (multiple phylogenetic variance decomposition, MPVD) to decompose total explained variance by different factors across all nodes in the phylogenetic tree of target species (covering 120 million years of Angiosperm evolution).Our results highlight the relevance of phylogeny on the elemental composition of plants both at early (with the development of key preadaptive traits) and recent divergence times (diversification of the Iberian gypsum flora concurrent with Iberian gypsum deposit accumulation). Despite the predominant phylogenetic effect, plant adaptation to gypsum soils had a strong impact on the elemental composition of plants, particularly on sulphur concentrations, while climate and soil effects were smaller.Accordingly, we detected a convergent evolution of gypsum specialists from different lineages on increased sulphur and magnesium foliar concentrations.
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