Evidence map›Paper›PMID 30068916›Full record

ArticleNature communications2018

Unravelling the age of fine roots of temperate and boreal forests.

Emily F Solly, Ivano Brunner, Heljä-Sisko Helmisaari, Claude Herzog, Jaana Leppälammi-Kujansuu, Ingo Schöning, Marion Schrumpf, Fritz H Schweingruber, Susan E Trumbore, Frank Hagedorn

Abstract read
In one paragraph

Article in Nature communications, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing 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

18 citing papers in PubMed.

  1. Plant, cell & environment · 2025
    Article
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  4. Linking fine root lifespan to root chemical and morphological traits-A global analysis.Proceedings of the National Academy of Sciences of the United States of America · 2024
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  6. Review
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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

10 authors.

Emily F SollySwiss Federal Institute for Forest, Snow and Landscape Research WSL, Zürcherstrasse 111, 8903, Birmensdorf, Switzerland. emily.solly@wsl.ch.ORCID http://orcid.org/0000-0002-3157-1805
Ivano BrunnerSwiss Federal Institute for Forest, Snow and Landscape Research WSL, Zürcherstrasse 111, 8903, Birmensdorf, Switzerland.
Heljä-Sisko HelmisaariDepartment of Forest Sciences, University of Helsinki, P.O. Box 27, 00014, Helsinki, Finland.
Claude HerzogSwiss Federal Institute for Forest, Snow and Landscape Research WSL, Zürcherstrasse 111, 8903, Birmensdorf, Switzerland.
Jaana Leppälammi-KujansuuDepartment of Forest Sciences, University of Helsinki, P.O. Box 27, 00014, Helsinki, Finland.
Ingo SchöningMax Planck Institute for Biogeochemistry, Hans Knöll Strasse 10, 07745, Jena, Germany.
Marion SchrumpfMax Planck Institute for Biogeochemistry, Hans Knöll Strasse 10, 07745, Jena, Germany.
Fritz H SchweingruberSwiss Federal Institute for Forest, Snow and Landscape Research WSL, Zürcherstrasse 111, 8903, Birmensdorf, Switzerland.
Susan E TrumboreMax Planck Institute for Biogeochemistry, Hans Knöll Strasse 10, 07745, Jena, Germany.
Frank HagedornSwiss Federal Institute for Forest, Snow and Landscape Research WSL, Zürcherstrasse 111, 8903, Birmensdorf, Switzerland.

Funding

Deutsche Forschungsgemeinschaft (German Research Foundation) SCHR 1181/2-1
6 · The paper itself

Abstract

Fine roots support the water and nutrient demands of plants and supply carbon to soils. Quantifying turnover times of fine roots is crucial for modeling soil organic matter dynamics and constraining carbon cycle-climate feedbacks. Here we challenge widely used isotope-based estimates suggesting the turnover of fine roots of trees to be as slow as a decade. By recording annual growth rings of roots from woody plant species, we show that mean chronological ages of fine roots vary from <1 to 12 years in temperate, boreal and sub-arctic forests. Radiocarbon dating reveals the same roots to be constructed from 10 ± 1 year (mean ± 1 SE) older carbon. This dramatic difference provides evidence for a time lag between plant carbon assimilation and production of fine roots, most likely due to internal carbon storage. The high root turnover documented here implies greater carbon inputs into soils than previously thought which has wide-ranging implications for quantifying ecosystem carbon allocation.

Identifiers

PMID30068916
PMCPMC6070616

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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.