Evidence map›Paper›PMID 33547899›Full record

ArticleFEMS microbiology ecology2021

Soil depth matters: shift in composition and inter-kingdom co-occurrence patterns of microorganisms in forest soils.

Sunil Mundra, O Janne Kjønaas, Luis N Morgado, Anders Kristian Krabberød, Yngvild Ransedokken, Håvard Kauserud

Abstract read
In one paragraph

Article in FEMS microbiology ecology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing 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

32 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Sunil MundraSection for Genetics and Evolutionary Biology (EvoGene), Department of Biosciences, University of Oslo, NO-0316 Oslo, Norway.
O Janne KjønaasNIBIO, Department of Terrestrial Ecology, NO-1431 Ås, Norway.
Luis N MorgadoSection for Genetics and Evolutionary Biology (EvoGene), Department of Biosciences, University of Oslo, NO-0316 Oslo, Norway.
Anders Kristian KrabberødSection for Genetics and Evolutionary Biology (EvoGene), Department of Biosciences, University of Oslo, NO-0316 Oslo, Norway.
Yngvild RansedokkenFaculty of Environmental and Natural Resource Management, Norwegian University of Life Sciences, NO-1432 Ås, Norway.
Håvard KauserudSection for Genetics and Evolutionary Biology (EvoGene), Department of Biosciences, University of Oslo, NO-0316 Oslo, Norway.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Soil depth represents a strong physiochemical gradient that greatly affects soil-dwelling microorganisms. Fungal communities are typically structured by soil depth, but how other microorganisms are structured is less known. Here, we tested whether depth-dependent variation in soil chemistry affects the distribution and co-occurrence patterns of soil microbial communities. This was investigated by DNA metabarcoding in conjunction with network analyses of bacteria, fungi, as well as other micro-eukaryotes, sampled in four different soil depths in Norwegian birch forests. Strong compositional turnover in microbial assemblages with soil depth was detected for all organismal groups. Significantly greater microbial diversity and fungal biomass appeared in the nutrient-rich organic layer, with sharp decrease towards the less nutrient-rich mineral zones. The proportions of copiotrophic bacteria, Arthropoda and Apicomplexa were markedly higher in the organic layer, while patterns were opposite for oligotrophic bacteria, Cercozoa, Ascomycota and ectomycorrhizal fungi. Network analyses indicated more intensive inter-kingdom co-occurrence patterns in the upper mineral layer (0-5 cm) compared to the above organic and the lower mineral soil, signifying substantial influence of soil depth on biotic interactions. This study supports the view that different microbial groups are adapted to different forest soil strata, with varying level of interactions along the depth gradient.

Indexed as

MycobiomeSoilForestsFungiSoil MicrobiologySoilBetula pubescensboreal birch forestco-occurrences patternsmetabarcodingmicrobial communitiesmicrobial interactions

Identifiers

PMID33547899
PMCPMC7948073

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Registered trials

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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.