Interaction recovery between European beech (Fagus sylvatica) and ectomycorhizal fungi 140 years after the end of mining

Rodríguez‐Uña, Asun; Hidalgo, June; Salcedo, Isabel; Moreno‐Mateos, David

doi:10.7818/ecos.1790

Cited by 6 publications

(4 citation statements)

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“…After agriculture cessation, 25–30 years might be needed to re‐establish the pre‐disturbance levels of ECM fungal inocula (Kałucka & Jagodziński, 2016). Also, more than 40 years are needed for the recovery of ECM fungal communities in regenerating forests after mining abandonment (Gebhardt et al., 2007; Rodríguez‐Uña et al., 2019).…”

Section: Introductionmentioning

confidence: 99%

Land‐use history alters the diversity, community composition and interaction networks of ectomycorrhizal fungi in beech forests

et al. 2021

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1. Forests have expanded across Europe over the last centuries as a consequence of farmland (agricultural and pasture) abandonment. Agricultural practices usually increase soil fertility and reduce the diversity and abundance of ectomycorrhizal (ECM) fungi, essential mutualists of many woody species in temperate and Mediterranean forests. The recovery of this biotic interaction after the cessation of human activities is, thus, crucial for the re-establishment of functional forest ecosystems.2. Here we addressed the legacies of past land use and the recovery of the mutualism between ECM fungi and Fagus sylvatica trees in recent beech forests (<50 years) in Northeast Spain. Soil and root samples were collected in six long-established and eight recent beech forests to analyse soil abiotic properties and the ECM fungi associated with beech roots (Illumina DNA metabarcoding of ECM tips).3. Up to 609 amplicon sequence variants (ASVs) of ECM fungi were identified, with 220 ASVs found in both forest types. Recent forests had a significantly lower soil organic matter and phosphorus content, which had a significant effect on the community structure of ECM fungi in beech roots. Moreover, beech trees in recent forests interacted with less fungal taxa but had a higher relative abundance of Ascomycota. Tarzetta spp. (Ascomycota, Pezizales) and Lactarius blennius (Basidiomycota, Russulales) emerge as the particular taxa associated with recent and long-established forests respectively. 4. More specialized mutualistic networks with a lower species normalized degree were found in recent forests, which might result in a lower quality and resilience of the ECM mutualism. 5.Synthesis. Land-use history modulated the mycorrhizal symbiosis in regenerating beech forests through changes in soil organic matter and nitrogen, which were the main drivers of the differences in fungal community composition and functional types associated with beech trees in recent forests.

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Section: Introductionmentioning

confidence: 99%

Land‐use history alters the diversity, community composition and interaction networks of ectomycorrhizal fungi in beech forests

et al. 2021

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“…The southernmost and most continental site, Diustes (Soria, Spain, hereafter "Southern site") experienced a Mediterranean climate with a mean annual precipitation of 779.4±20.5 mm and mean annual temperature of 14.1±1.6℃ (1967-2017. To assess the impact of regional and intraannual climatic variability on the ECM fungal community, besides climate, we prioritised management history and homogeneity in soil properties as our selection criteria, because these are crucial drivers of the ECM fungal community composition and structure (Correia et al 2021, Rodriguez-Uña et al 2019, Rodríguez-Uña et al 2024. Our selected sites had been free of major impacts for ~90 years (except for some minor and occasional wood extraction), had a non-calcareous bedrock and were located on acidic soils (pH < 5.5, Table 1).…”

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confidence: 99%

“…The pattern and extent of the hyphal network (short contact vs. long exploration types) determines the soil exploration capacity (Agerer 2001), with crucial implications for the ECM fungal community structure and functioning (Koide, Fernandez and Malcolm 2014). At the same time, factors like climate, past land use, soil pH, nutrient levels and specially water availability strongly influence the structure and composition of the ECM fungal community (Correia et al 2021, Erlandson et al 2016, Querejeta, Egerton-Warburton and Allen 2009, Reis et al 2018, Rodríguez-Uña et al 2024, Van der Linde et al 2018. The hyphae of ECM fungi are particularly sensitive to water availability because they dwell in the upper soil, lack regulatory mechanisms to control for water loss and suffer indirectly from the effects of drought on their host (Brunner et al 2015, Gehring, Swaty andDeckert 2017).…”

Section: Introductionmentioning

confidence: 99%

Changes in the functional diversity and abundance of ectomycorrhizal fungi are decoupled from water uptake patterns in European beech forests

Rodríguez-Uña,

Moreno-Mateos,

Matesanz

et al. 2024

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Temperate forests on their warm and dry distribution limit are expected to be most vulnerable to reductions in water availability. This prediction is mostly based on studies assessing single forest functions, mainly growth. Water and nutrient cycling are functions that rely on tree roots and their symbiotic association with ectomycorrhizal (ECM) fungi. Trees can compensate for seasonal reductions in water availability by shifting root water-uptake (RWU) towards deeper soil layers, but ECM fungi dwell in the upper soil, thus suffering from desiccation and compromising nutrient uptake. We hypothesised that drier sites should depict larger seasonal shifts in RWU, but at the expense of lower diversity and colonization of fine roots by ECM fungi. We selected three beech (Fagus sylvatica) forests in their warm distribution limit with contrasting geographic locations and mean annual precipitation: northern Atlantic (2500mm), intermediate transitional (1150mm) and southern Mediterranean (780mm). We collected soil, stem and root samples in spring (wet) and summer (dry) to quantify fine-root density and colonization by ECM fungi, to infer RWU from isotopic composition of plant and soil water, and to characterize ECM fungal diversity through DNA-metabarcoding. High moisture in the upper soil benefited the ECM community, but higher diversity and fine-root colonization by ECM fungi in the upper soil did not imply larger contributions of this soil layer to RWU. The prevailing climate and local abiotic conditions determined how ECM communities structured, more than seasonal variability. Across sites, ECM communities differed in their functional diversity: ECM fungi with long hyphae, more vulnerable to water scarcity, dominated at the site with the highest water availability. Our results suggest that transient reductions in soil water availability might not compromise RWU but could be detrimental for maintaining ECM-mediated nutrient uptake in beech forests experiencing longer and more severe drought periods under current climate change.

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“…Los autores también destacan la importancia de la distancia funcional como criterio a la hora de seleccionar especies en proyectos de restauración donde se planee el uso de nodrizas. Rodríguez-Uña et al (2019) encuentran que en bosques recuperados sobre minas abandonadas hace más de 100 años la riqueza de especies de hongos ectomicorrícicos asociados a las hayas es similar a bosques no perturbados. Sin embargo, encuentran que la composición de especies es todavía diferente, habiendo más especies generalistas comunes en ambientes degradados en las zonas abandonadas, incluso después de más de 100 años.…”

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Interaction recovery between European beech (Fagus sylvatica) and ectomycorhizal fungi 140 years after the end of mining

Abstract: Artículo publicado en Open Access bajo los términos de Creative Commons attribution Non Comercial License 3.0.

Cited by 6 publications

References 27 publications

Land‐use history alters the diversity, community composition and interaction networks of ectomycorrhizal fungi in beech forests

Land‐use history alters the diversity, community composition and interaction networks of ectomycorrhizal fungi in beech forests

Changes in the functional diversity and abundance of ectomycorrhizal fungi are decoupled from water uptake patterns in European beech forests

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