Dataset Information

Fungal community composition predicts forest carbon storage at a continental scale.

ABSTRACT: Forest soils harbor hyper-diverse microbial communities which fundamentally regulate carbon and nutrient cycling across the globe. Directly testing hypotheses on how microbiome diversity is linked to forest carbon storage has been difficult, due to a lack of paired data on microbiome diversity and in situ observations of forest carbon accumulation and storage. Here, we investigated the relationship between soil microbiomes and forest carbon across 238 forest inventory plots spanning 15 European countries. We show that the composition and diversity of fungal, but not bacterial, species is tightly coupled to both forest biotic conditions and a seven-fold variation in tree growth rates and biomass carbon stocks when controlling for the effects of dominant tree type, climate, and other environmental factors. This linkage is particularly strong for symbiotic endophytic and ectomycorrhizal fungi known to directly facilitate tree growth. Since tree growth rates in this system are closely and positively correlated with belowground soil carbon stocks, we conclude that fungal composition is a strong predictor of overall forest carbon storage across the European continent.

SUBMITTER: Anthony MA

PROVIDER: S-EPMC10944544 | biostudies-literature | 2024 Mar

REPOSITORIES: biostudies-literature

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Fungal community composition predicts forest carbon storage at a continental scale.

Anthony Mark A MA Tedersoo Leho L De Vos Bruno B Croisé Luc L Meesenburg Henning H Wagner Markus M Andreae Henning H Jacob Frank F Lech Paweł P Kowalska Anna A Greve Martin M Popova Genoveva G Frey Beat B Gessler Arthur A Schaub Marcus M Ferretti Marco M Waldner Peter P Calatayud Vicent V Canullo Roberto R Papitto Giancarlo G Marinšek Aleksander A Ingerslev Morten M Vesterdal Lars L Rautio Pasi P Meissner Helge H Timmermann Volkmar V Dettwiler Mike M Eickenscheidt Nadine N Schmitz Andreas A Van Tiel Nina N Crowther Thomas W TW Averill Colin C

Nature communications 20240316 1

Forest soils harbor hyper-diverse microbial communities which fundamentally regulate carbon and nutrient cycling across the globe. Directly testing hypotheses on how microbiome diversity is linked to forest carbon storage has been difficult, due to a lack of paired data on microbiome diversity and in situ observations of forest carbon accumulation and storage. Here, we investigated the relationship between soil microbiomes and forest carbon across 238 forest inventory plots spanning 15 European ...[more]

PMID: 38493170

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Project description:Ectomycorrhizal fungi (EMF) can form symbiotic relationships with plants, aiding in plant growth by providing access to nutrients and defense against phytopathogenic fungi. In this context, factors such as plant assemblages and soil properties can impact the interaction between EMF and phytopathogenic fungi in forest soil. However, there is little understanding of how these fungal interactions evolve as forests move through succession stages. In this study, we used high-throughput sequencing to investigate fungal communities in young, intermediate, and old subtropical forests. At the genus level, EMF communities were dominated by Sebacina, Russula, and Lactarius, while Mycena was the most abundant genus in pathogenic fungal communities. The relative abundances of EMF and phytopathogenic fungi in different stages showed no significant difference with the regulation of different factors. We discovered that interactions between phytopathogenic fungi and EMF maintained a dynamic balance under the influence of the differences in soil quality attributed to each forest successional stage. The community composition of phytopathogenic fungi is one of the strong drivers in shaping EMF communities over successions. In addition, the EMF diversity was significantly related to plant diversity, and these relationships varied among successional stages. Despite the regulation of various factors, the positive relationship between the diversity of phytopathogenic fungi and EMF remained unchanged. However, there is no significant difference in the ratio of the abundance of EMF and phytopathogenic fungi over the course of successions. These results will advance our understanding of the biodiversity-ecosystem functioning during forest succession. KEY POINTS: •Community composition of both EMF and phytopathogenic fungi changed significantly over forest succession. •Phytopathogenic fungi is a key driver in shaping EMF community. •The effect of plant Shannon's diversity on EMF communities changed during the forest aging process.

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Fungal community composition predicts forest carbon storage at a continental scale.

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Fungal community composition predicts forest carbon storage at a continental scale.

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