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Soil biotic and abiotic effects on seedling growth exhibit context‐dependent interactions: evidence from a multi‐country experiment on Pinus contorta invasion

The New phytologist, 2021-10, Vol.232 (1), p.303-317 [Peer Reviewed Journal]

2021 The Authors. © 2021 New Phytologist Foundation ;This article is protected by copyright. All rights reserved. ;2021. This article is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 0028-646X ;ISSN: 1469-8137 ;EISSN: 1469-8137 ;DOI: 10.1111/nph.17449 ;PMID: 33966267

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Title:
Soil biotic and abiotic effects on seedling growth exhibit context‐dependent interactions: evidence from a multi‐country experiment on Pinus contorta invasion
Author: Nuske, Susan J. ; Fajardo, Alex ; Nuñez, Martin A. ; Pauchard, Aníbal ; Wardle, David A. ; Nilsson, Marie‐Charlotte ; Kardol, Paul ; Smith, Jane E. ; Peltzer, Duane A. ; Moyano, Jaime ; Gundale, Michael J.
Subjects: abiotic ; Abiotic factors ; Agriculture ; Biogeography ; Biota ; Biotic factors ; Carbon content ; Context ; context‐dependent ; Ecology ; ectomycorrhizas ; Ekologi ; enemy release hypothesis ; enhanced mutualism hypothesis ; Factorial design ; Growth ; Hypotheses ; Inoculation ; invasive ; Invasive plants ; Markvetenskap ; missed mutualism hypothesis ; Mutualism ; Phosphorus ; Pine trees ; Pinus contorta ; Plantations ; plant–soil feedback ; Seedlings ; Soil ; Soil conditions ; Soil Science ; Soils ; Symbiosis
Is Part Of: The New phytologist, 2021-10, Vol.232 (1), p.303-317
Description: Summary The success of invasive plants is influenced by many interacting factors, but evaluating multiple possible mechanisms of invasion success and elucidating the relative importance of abiotic and biotic drivers is challenging, and therefore rarely achieved. We used live, sterile or inoculated soil from different soil origins (native range and introduced range plantation; and invaded plots spanning three different countries) in a fully factorial design to simultaneously examine the influence of soil origin and soil abiotic and biotic factors on the growth of invasive Pinus contorta. Our results displayed significant context dependency in that certain soil abiotic conditions in the introduced ranges (soil nitrogen, phosphorus or carbon content) influenced responses to inoculation treatments. Our findings do not support the enemy release hypothesis or the enhanced mutualism hypothesis, as biota from native and plantation ranges promoted growth similarly. Instead, our results support the missed mutualism hypothesis, as biota from invasive ranges were the least beneficial for seedling growth. Our study provides a novel perspective on how variation in soil abiotic factors can influence plant–soil feedbacks for an invasive tree across broad biogeographical contexts.
Publisher: England: Wiley Subscription Services, Inc
Language: English
Identifier: ISSN: 0028-646X
ISSN: 1469-8137
EISSN: 1469-8137
DOI: 10.1111/nph.17449
PMID: 33966267
Source: SWEPUB Freely available online

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Soil biotic and abiotic effects on seedling growth exhibit context‐dependent interactions: evidence from a multi‐country experiment on Pinus contorta invasion

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