X Liu
Partitioning of soil phosphorus among arbuscular and ectomycorrhizal trees in tropical and subtropical forests
Liu, X; Burslem, DFRP; Taylor, JD; Taylor, AFS; Khoo, E; Majalap-Lee, N; Helgason, T; Johnson, D
Authors
DFRP Burslem
JD Taylor
AFS Taylor
E Khoo
N Majalap-Lee
T Helgason
D Johnson
Abstract
Partitioning of soil phosphorus (P) pools has been proposed as a key mechanism maintaining plant diversity, but experimental support is lacking. Here, we provided different chemical forms of P to 15 tree species with contrasting root symbiotic relationships to investigate plant P acquisition in both tropical and subtropical forests. Both ectomycorrhizal (ECM) and arbuscular mycorrhizal (AM) trees responded positively to addition of inorganic P, but strikingly, ECM trees acquired more P from a complex organic form (phytic acid). Most ECM tree species and all AM tree species also showed some capacity to take up simple organic P (monophosphate). Mycorrhizal colonisation was negatively correlated with soil extractable P concentration, suggesting that mycorrhizal fungi may regulate organic P acquisition among tree species. Our results support the hypothesis that ECM and AM plants partition soil P sources, which may play an ecologically important role in promoting species coexistence in tropical and subtropical forests.
Citation
Liu, X., Burslem, D., Taylor, J., Taylor, A., Khoo, E., Majalap-Lee, N., …Johnson, D. (2018). Partitioning of soil phosphorus among arbuscular and ectomycorrhizal trees in tropical and subtropical forests. Ecology Letters, 21(5), 713-723. https://doi.org/10.1111/ele.12939
Journal Article Type | Article |
---|---|
Acceptance Date | Feb 13, 2018 |
Online Publication Date | Mar 13, 2018 |
Publication Date | Apr 16, 2018 |
Deposit Date | Apr 6, 2018 |
Publicly Available Date | Mar 13, 2019 |
Journal | Ecology letters |
Print ISSN | 1461-023X |
Publisher | Wiley |
Volume | 21 |
Issue | 5 |
Pages | 713-723 |
DOI | https://doi.org/10.1111/ele.12939 |
Publisher URL | http://dx.doi.org/10.1111/ele.12939 |
Related Public URLs | https://onlinelibrary.wiley.com/journal/14610248 |
Additional Information | Access Information : This is the peer reviewed version of the article, which has been published in final form at the Official URL above. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. Projects : Explaining niche separation in tropical forests: feedbacks between root-fungal symbioses and soil phosphorus partitioning |
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