Evidence map›Paper›PMID 29875436›Full record

ArticleThe ISME journal2018

Long-term in situ permafrost thaw effects on bacterial communities and potential aerobic respiration.

Sylvain Monteux, James T Weedon, Gesche Blume-Werry, Konstantin Gavazov, Vincent E J Jassey, Margareta Johansson, Frida Keuper, Carolina Olid, Ellen Dorrepaal

Erratum issuedAbstract read
In one paragraph

Article in The ISME journal, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

27 citing papers in PubMed.

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  10. The responses of COPeerJ · 2024
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors.

Sylvain MonteuxClimate Impacts Research Centre (CIRC), Department of Ecology and Environmental Sciences, Umeå Universitet, 981 07, Abisko, Sweden. monteux@protonmail.com.ORCID http://orcid.org/0000-0001-9923-2036
James T WeedonSystems Ecology, Department of Ecological Sciences, Vrije Universiteit Amsterdam, 1081 HV, Amsterdam, The Netherlands.ORCID http://orcid.org/0000-0003-0491-8719
Gesche Blume-WerryClimate Impacts Research Centre (CIRC), Department of Ecology and Environmental Sciences, Umeå Universitet, 981 07, Abisko, Sweden.
Konstantin GavazovClimate Impacts Research Centre (CIRC), Department of Ecology and Environmental Sciences, Umeå Universitet, 981 07, Abisko, Sweden.
Vincent E J JasseyFunctional Ecology and Environment Laboratory (ECOLAB), Department of Biology and Geosciences, UMR 6245 Université Toulouse III Paul Sabatier, 31062, Toulouse cedex 09, France.ORCID http://orcid.org/0000-0002-1450-2437
Margareta JohanssonDepartment of Physical Geography and Ecosystem Science, Lund Universitet, 223 62, Lund, Sweden.
Frida KeuperINRA, AgroImpact UR1158, Site Laon, 02000, Barenton Bugny, France.ORCID http://orcid.org/0000-0001-8673-7991
Carolina OlidClimate Impacts Research Centre (CIRC), Department of Ecology and Environmental Sciences, Umeå Universitet, 981 07, Abisko, Sweden.
Ellen DorrepaalClimate Impacts Research Centre (CIRC), Department of Ecology and Environmental Sciences, Umeå Universitet, 981 07, Abisko, Sweden.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The decomposition of large stocks of soil organic carbon in thawing permafrost might depend on more than climate change-induced temperature increases: indirect effects of thawing via altered bacterial community structure (BCS) or rooting patterns are largely unexplored. We used a 10-year in situ permafrost thaw experiment and aerobic incubations to investigate alterations in BCS and potential respiration at different depths, and the extent to which they are related with each other and with root density. Active layer and permafrost BCS strongly differed, and the BCS in formerly frozen soils (below the natural thawfront) converged under induced deep thaw to strongly resemble the active layer BCS, possibly as a result of colonization by overlying microorganisms. Overall, respiration rates decreased with depth and soils showed lower potential respiration when subjected to deeper thaw, which we attributed to gradual labile carbon pool depletion. Despite deeper rooting under induced deep thaw, root density measurements did not improve soil chemistry-based models of potential respiration. However, BCS explained an additional unique portion of variation in respiration, particularly when accounting for differences in organic matter content. Our results suggest that by measuring bacterial community composition, we can improve both our understanding and the modeling of the permafrost carbon feedback.

Indexed as

AerobiosisBacteriaCarbonPermafrostCarbon

Identifiers

PMID29875436
PMCPMC6092332

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.