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Plant-microbe interactions in response to grassland herbivory and nitrogen eutrophication

Ranheim Sveen, Tord and Netherway, Tarquin and Juhanson, Jaanis and Oja, Jane and Borgström, Pernilla and Viketoft, Maria and Strengbom, Joachim and Bommarco, Riccardo and Clemmensen, Karina Engelbrecht and Hallin, Sara and Bahram, Mohammad (2021). Plant-microbe interactions in response to grassland herbivory and nitrogen eutrophication. Soil Biology and Biochemistry. 156 , 108208
[Research article]

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Abstract

Plant-soil feedback is increasingly recognized as a vital framework to analyze multi-trophic interactions involving herbivores, plants and microbes, but research is still lacking on understanding such feedback in the context of global change. In grasslands, patterns of herbivory are expected to be affected by global change, further modifying existing plant-soil feedbacks. We tested this by evaluating the individual and combined impacts of aboveground herbivory by a generalist leaf-chewer and nitrogen (N) eutrophication, simulating elevated N deposition, on soil microbial communities and root colonization of arbuscular mycorrhizal fungi and related these to existing data on plant functional types and community composition. We found that colonization of arbuscular mycorrhizal fungi in the plant roots responded differently to treatments depending on host plant species in patterns consistent with the changes in the plant community composition and biomass. Further, the effect of aboveground herbivory on plant-soil interactions was comparable and even exceeded that of N-eutrophication, with the additive effects of herbivory and N-eutrophication on the soil microbiome being stronger than each factor separately. Our results suggest that plant-soil feedback in response to N-eutrophication is contingent on biotic variables such as herbivory and plant species, and that biotic and abiotic disturbances may have additive effects on the soil microbiome structure.

Authors/Creators:Ranheim Sveen, Tord and Netherway, Tarquin and Juhanson, Jaanis and Oja, Jane and Borgström, Pernilla and Viketoft, Maria and Strengbom, Joachim and Bommarco, Riccardo and Clemmensen, Karina Engelbrecht and Hallin, Sara and Bahram, Mohammad
Title:Plant-microbe interactions in response to grassland herbivory and nitrogen eutrophication
Series Name/Journal:Soil Biology and Biochemistry
Year of publishing :2021
Volume:156
Article number:108208
Number of Pages:10
Publisher:PERGAMON-ELSEVIER SCIENCE LTD
ISSN:0038-0717
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Soil Science
Keywords:AM fungi, Aboveground herbivory, Global change, Nitrification, Plant-soil feedback, Plant functional type, Soil microbiome
URN:NBN:urn:nbn:se:slu:epsilon-p-111886
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-111886
Additional ID:
Type of IDID
DOI10.1016/j.soilbio.2021.108208
Web of Science (WoS)000640189100025
ID Code:23728
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Dept. of Ecology
(S) > Dept. of Ecology

(NL, NJ) > Dept. of Forest Mycology and Plant Pathology
(S) > Dept. of Forest Mycology and Plant Pathology
Deposited By: SLUpub Connector
Deposited On:21 May 2021 10:23
Metadata Last Modified:21 May 2021 10:31

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