Site-specific responses of fungal and bacterial abundances to experimental warming in litter and soil across Arctic and alpine tundra

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Standard

Site-specific responses of fungal and bacterial abundances to experimental warming in litter and soil across Arctic and alpine tundra. / Jeanbille, Mathilde; Clemmensen, Karina; Juhanson, Jaanis; Michelsen, Anders; Cooper, Elisabeth J.; Henry, Greg H.R.; Hofgaard, Annika; Hollister, Robert D.; Jónsdóttir, Ingibjörg S.; Klanderud, Kari; Tolvanen, Anne; Hallin, Sara.

I: Arctic Science, Bind 8, Nr. 3, 2022, s. 992-1005.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

Harvard

Jeanbille, M, Clemmensen, K, Juhanson, J, Michelsen, A, Cooper, EJ, Henry, GHR, Hofgaard, A, Hollister, RD, Jónsdóttir, IS, Klanderud, K, Tolvanen, A & Hallin, S 2022, 'Site-specific responses of fungal and bacterial abundances to experimental warming in litter and soil across Arctic and alpine tundra', Arctic Science, bind 8, nr. 3, s. 992-1005. https://doi.org/10.1139/as-2020-0053

APA

Jeanbille, M., Clemmensen, K., Juhanson, J., Michelsen, A., Cooper, E. J., Henry, G. H. R., Hofgaard, A., Hollister, R. D., Jónsdóttir, I. S., Klanderud, K., Tolvanen, A., & Hallin, S. (2022). Site-specific responses of fungal and bacterial abundances to experimental warming in litter and soil across Arctic and alpine tundra. Arctic Science, 8(3), 992-1005. https://doi.org/10.1139/as-2020-0053

Vancouver

Jeanbille M, Clemmensen K, Juhanson J, Michelsen A, Cooper EJ, Henry GHR o.a. Site-specific responses of fungal and bacterial abundances to experimental warming in litter and soil across Arctic and alpine tundra. Arctic Science. 2022;8(3):992-1005. https://doi.org/10.1139/as-2020-0053

Author

Jeanbille, Mathilde ; Clemmensen, Karina ; Juhanson, Jaanis ; Michelsen, Anders ; Cooper, Elisabeth J. ; Henry, Greg H.R. ; Hofgaard, Annika ; Hollister, Robert D. ; Jónsdóttir, Ingibjörg S. ; Klanderud, Kari ; Tolvanen, Anne ; Hallin, Sara. / Site-specific responses of fungal and bacterial abundances to experimental warming in litter and soil across Arctic and alpine tundra. I: Arctic Science. 2022 ; Bind 8, Nr. 3. s. 992-1005.

Bibtex

@article{986cae4b3939438fa5fa00c45a4ad76d,
title = "Site-specific responses of fungal and bacterial abundances to experimental warming in litter and soil across Arctic and alpine tundra",
abstract = "Vegetation change of the Arctic tundra due to global warming is a well-known process, but the implication for the belowground microbial communities, key in nutrient cycling and decomposition, is poorly understood. We characterized the fungal and bacterial abundances in litter and soil layers across 16 warming experimental sites at 12 circumpolar locations. We investigated the relationship between microbial abundances and nitrogen (N) and carbon (C) isotopic signatures, indicating shifts in microbial processes with warming. Microbial abundances were 2–3 orders of magnitude larger in litter than in soil. Local, site-dependent responses of microbial abundances were variable, and no general effect of warming was detected. The only generalizable trend across sites was a dependence between the warming response ratios and C:N ratio in controls, highlighting a legacy of the vegetation on the microbial response to warming. We detected a positive effect of warming on the litter mass and δ15 N, which was linked to bacterial abundance under warmed condi-tions. This effect was stronger in experimental sites dominated by deciduous shrubs, sug-gesting an altered bacterial N-cycling with increased temperatures, mediated by the vegetation, and with possible consequences on ecosystem feedbacks to climate change.",
keywords = "litter, microbial abundance, soil, stable isotopes, tundra, warming",
author = "Mathilde Jeanbille and Karina Clemmensen and Jaanis Juhanson and Anders Michelsen and Cooper, {Elisabeth J.} and Henry, {Greg H.R.} and Annika Hofgaard and Hollister, {Robert D.} and J{\'o}nsd{\'o}ttir, {Ingibj{\"o}rg S.} and Kari Klanderud and Anne Tolvanen and Sara Hallin",
note = "Publisher Copyright: {\textcopyright} Canadian Science Publishing.",
year = "2022",
doi = "10.1139/as-2020-0053",
language = "English",
volume = "8",
pages = "992--1005",
journal = "Arctic Science",
issn = "2368-7460",
publisher = "N R C Research Press",
number = "3",

}

RIS

TY - JOUR

T1 - Site-specific responses of fungal and bacterial abundances to experimental warming in litter and soil across Arctic and alpine tundra

AU - Jeanbille, Mathilde

AU - Clemmensen, Karina

AU - Juhanson, Jaanis

AU - Michelsen, Anders

AU - Cooper, Elisabeth J.

AU - Henry, Greg H.R.

AU - Hofgaard, Annika

AU - Hollister, Robert D.

AU - Jónsdóttir, Ingibjörg S.

AU - Klanderud, Kari

AU - Tolvanen, Anne

AU - Hallin, Sara

N1 - Publisher Copyright: © Canadian Science Publishing.

PY - 2022

Y1 - 2022

N2 - Vegetation change of the Arctic tundra due to global warming is a well-known process, but the implication for the belowground microbial communities, key in nutrient cycling and decomposition, is poorly understood. We characterized the fungal and bacterial abundances in litter and soil layers across 16 warming experimental sites at 12 circumpolar locations. We investigated the relationship between microbial abundances and nitrogen (N) and carbon (C) isotopic signatures, indicating shifts in microbial processes with warming. Microbial abundances were 2–3 orders of magnitude larger in litter than in soil. Local, site-dependent responses of microbial abundances were variable, and no general effect of warming was detected. The only generalizable trend across sites was a dependence between the warming response ratios and C:N ratio in controls, highlighting a legacy of the vegetation on the microbial response to warming. We detected a positive effect of warming on the litter mass and δ15 N, which was linked to bacterial abundance under warmed condi-tions. This effect was stronger in experimental sites dominated by deciduous shrubs, sug-gesting an altered bacterial N-cycling with increased temperatures, mediated by the vegetation, and with possible consequences on ecosystem feedbacks to climate change.

AB - Vegetation change of the Arctic tundra due to global warming is a well-known process, but the implication for the belowground microbial communities, key in nutrient cycling and decomposition, is poorly understood. We characterized the fungal and bacterial abundances in litter and soil layers across 16 warming experimental sites at 12 circumpolar locations. We investigated the relationship between microbial abundances and nitrogen (N) and carbon (C) isotopic signatures, indicating shifts in microbial processes with warming. Microbial abundances were 2–3 orders of magnitude larger in litter than in soil. Local, site-dependent responses of microbial abundances were variable, and no general effect of warming was detected. The only generalizable trend across sites was a dependence between the warming response ratios and C:N ratio in controls, highlighting a legacy of the vegetation on the microbial response to warming. We detected a positive effect of warming on the litter mass and δ15 N, which was linked to bacterial abundance under warmed condi-tions. This effect was stronger in experimental sites dominated by deciduous shrubs, sug-gesting an altered bacterial N-cycling with increased temperatures, mediated by the vegetation, and with possible consequences on ecosystem feedbacks to climate change.

KW - litter

KW - microbial abundance

KW - soil

KW - stable isotopes

KW - tundra

KW - warming

U2 - 10.1139/as-2020-0053

DO - 10.1139/as-2020-0053

M3 - Journal article

AN - SCOPUS:85114422276

VL - 8

SP - 992

EP - 1005

JO - Arctic Science

JF - Arctic Science

SN - 2368-7460

IS - 3

ER -

ID: 330881061