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128686 - Phylogenetic trait conservatism predicts patterns of plant-soil feedback.pdf (1.28 MB)

Phylogenetic trait conservatism predicts patterns of plant-soil feedback

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posted on 2023-05-19, 21:48 authored by Senior, J, Bradley PottsBradley Potts, Julianne O'Reilly-WapstraJulianne O'Reilly-Wapstra, Bisset, A, Wooliver, RC, Bailey, JK, Morag GlenMorag Glen, Schweitzer, JA
Plant‐soil feedbacks (PSFs) are important drivers of plant community structure and diversity, with species varying in the way they both condition soils and respond to them. While plant phylogenetic relationships alone can predict this variation in some instances, trait conservatism across phylogenies may provide more reliable predictions. Using integrated common garden and glasshouse inoculation experiments including 13 Eucalyptus species across two subgenera, we specifically investigated soil microbial conditioning and root chemical traits as underlying drivers of phylogenetic differences in PSF. We found that eucalypt species responded variably to soils conditioned by closely related species, depending on their phylogenetic lineage, which was further related to root terpene concentrations and the presence/absence of specific fungal taxa in conditioned soils. Overall, these findings show that trait conservatism in root chemical traits and the subsequent conditioning of soil microbial communities can explain whether or not plants show phylogenetic patterns in PSF.

Funding

Australian Research Council

History

Publication title

Ecosphere

Volume

9

Issue

10

Article number

e02409

Number

e02409

Pagination

1-15

ISSN

2150-8925

Department/School

School of Natural Sciences

Publisher

Ecological Society of America

Place of publication

United States

Rights statement

Copyright 2018 the authors. Licensed under Creative Commons Attribution 3.0 Unported (CC BY 3.0) https://creativecommons.org/licenses/by/3.0/

Repository Status

  • Open

Socio-economic Objectives

Native forests

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