The influence of sampled biomass on species–area relationships of grassland plants

Veresoglou, Stavros D.; Rillig, Matthias C.; Fraser, Lauchlan H.; Halley, John M.

doi:10.1111/nph.14028

Cited by 2 publications

(1 citation statement)

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“…This is due, in part, to several stochastic, abiotic and biotic filters on community assembly (HilleRisLambers et al 2012) that are less easily disentangled in studies of AMF (Vályi et al 2016). For example, root AMF communities vary according to the available AMF pool (Šmilauer et al 2020), and plant species identity is key driver of variation in AMF composition and biomass (Veresoglou and Rillig 2014;Leff et al 2018). Interestingly, host functional traits appear to correlate with their interaction niches.…”

Section: Introductionmentioning

confidence: 99%

Plant interaction traits determine the biomass of arbuscular mycorrhizal fungi and bacteria in soil

Lewe,

Keyzers,

Tylianakis

et al. 2024

Preprint

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Plant-arbuscular mycorrhizal fungal (AMF) mutualisms play key roles in the biodiversity and productivity of ecosystems. Yet we have limited understanding of the functional roles of plants as AMF generalists or specialists, and the consequences of these plant interaction traits for soil ecosystems are virtually unknown. We grew eight pasture plant species under two experimental conditions and determined their root AMF communities by sequencing. We determined plant species interaction traits with AMF using a set of numeric and phylogenetic α-, β– and γ-diversities and characterized plant species’ relative interaction generalism for AMF. We used lipid analysis of rhizosphere soils and Bayesian modelling to explore how host interaction traits affected carbon allocation to AMF and bacteria. Plant interaction traits for AMF appear to be stable despite large variation in edaphic conditions and AMF pools. We show that host interaction generalism was associated with opposite patterns of bacterial and AMF biomass; the phylogenetic diversity of host interactions was positively associated with AMF biomass whereas the richness of host interactions was negatively associated with bacterial biomass in rhizosphere soils. Explicit consideration of plant interaction niches may enhance understanding of how changes in biodiversity affect ecosystem carbon cycling.Open research statementThis publication does not use novel code, and the bioinformatic and statistic pipelines for this manuscript will be made available athttps://github.com/NLewe/Bayes-interaction-niche.Raw data will be made available at NCBI as BioProject: PRJNA997080

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Section: Introductionmentioning

confidence: 99%