Testing sampling effort and relative abundance descriptors of belowground ectomycorrhizal fungi in a UK planted scots pine woodland

Villarreal-Ruiz, Luis; Neri-Luna, Cecilia

doi:10.1080/21501203.2017.1394393

Cited by 7 publications

(5 citation statements)

References 30 publications

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“…Cortinarius is the largest genus of ectomycorrhizal fungi (> 2,000 species) ( Høiland and Holst-Jensen, 2000 ; Soop and Gasparini, 2011 ), and represents approximately 10% of the species forming ectomycorrhizae ( Rinaldi et al., 2008 ). Cortinarius species often dominate the ectomycorrhizosphere in reforested plots ( Stefani et al., 2009 ; Pickles et al., 2010 ; Villarreal-Ruiz and Neri-Luna, 2017 ; Haas et al., 2018 ). Their extraradical mycelium is classified as a medium-distance exploratory type ( Agerer, 2001 ; Agerer and Raidl, 2004 ), in the fringe subtype.…”

Section: Discussionmentioning

confidence: 99%

Does wood mulch trigger microbially mediated positive plant-soil feedback in degraded boreal forest sites? A post hoc study

et al. 2023

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IntroductionReforestation of degraded lands in the boreal forest is challenging and depends on the direction and strength of the plant-soil feedback (PSF).MethodsUsing a gradient in tree productivity (null, low and high) from a long-term, spatially replicated reforestation experiment of borrow pits in the boreal forest, we investigated the interplay between microbial communities and soil and tree nutrient stocks and concentrations in relation to a positive PSF induced by wood mulch amendment.ResultsThree levels of mulch amendment underlie the observed gradient in tree productivity, and plots that had been amended with a continuous layer of mulch 17 years earlier showed a positive PSF with trees up to 6 m tall, a closed canopy, and a developing humus layer. The average taxonomic and functional composition of the bacterial and fungal communities differed markedly betweenlow- and high-productivity plots. Trees in high-productivity plots recruited a specialized soil microbiome that was more efficient at nutrient mobilization and acquisition. These plots showed increases in carbon (C), calcium (Ca), nitrogen (N), potassium (K), and phosphorus (P) stocks and as well as bacterial and fungal biomass. The soil microbiome was dominated by taxa from the fungal genus Cortinarius and the bacterial family Chitinophagaceae, and a complex microbial network with higher connectivity and more keystone species supported tree productivity in reforested plots compared to unproductive plots.DiscussionTherefore, mulching of plots resulted in a microbially mediated PSF that enhances mineral weathering and non-symbiotic N fixation, and in turn helps transform unproductive plots into productive plots to ensure rapid restoration of the forest ecosystem in a harsh boreal environment.

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Section: Discussionmentioning

confidence: 99%

Does wood mulch trigger microbially mediated positive plant-soil feedback in degraded boreal forest sites? A post hoc study

et al. 2023

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“…Our study found that ectomycorrhizal fungi, wood-decaying fungi, soil saprotrophs, and litter saprotrophs were predominantly present in mixed forests ( Figure 4 b). Ectomycorrhizal fungi, such as Lactarius [ 46 , 47 ], Amanita [ 48 , 49 ], Russula [ 50 , 51 ], and Cortinarius [ 52 , 53 ], are known to associate primarily with Quercus and Pinus trees. Since mixed forests in our study area consist of Quercus mongolica and Pinus koraiensis , it is likely that the presence of these tree species contributes to the higher abundance of ectomycorrhizal fungal species.…”

Section: Discussionmentioning

confidence: 99%

Forest Type and Climate Outweigh Soil Bank in Shaping Dynamic Changes in Macrofungal Diversity in the Ancient Tree Park of Northeast China

Zhu,

Liu,

Hsiang

et al. 2023

JoF

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The community structure of macrofungi is influenced by multiple complex factors, including climate, soil, vegetation, and human activities, making it challenging to discern their individual contributions. To investigate the dynamic changes in macrofungal diversity in an Ancient Tree Park located in Northeast China and explore the factors influencing this change, we collected 1007 macrofungi specimens from different habitats within the park and identified 210 distinct fungal species using morphological characteristics and ITS sequencing. The species were classified into 2 phyla, 6 classes, 18 orders, 55 families, and 94 genera. We found macrofungal compositions among different forest types, with the mixed forest displaying the highest richness and diversity. Climatic factors, particularly rainfall and temperature, positively influenced macrofungal species richness and abundance. Additionally, by analyzing the soil fungal community structure and comparing aboveground macrofungi with soil fungi in this small-scale survey, we found that the soil fungal bank is not the main factor leading to changes in the macrofungal community structure, as compared to the influence of climate factors and forest types. Our findings provide valuable insights into the dynamic nature of macrofungal diversity in the Ancient Tree Park, highlighting the influence of climate and forest type.

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“…1). Roots were collected from a total of 18 soil samples, distributed as follows: (a) six samples at 20 cm intervals, (b) four samples at 1 m intervals, (c) four samples at 10 m intervals, and (d) four samples at 25 m intervals, according to the methodology described by Villarreal-Ruiz & Neri-Luna (2018). Soil samples were extracted as soil cores measuring 15 cm in length and 5 cm in diameter using a soil core sampler.…”

Section: Experimental Design and Sampling Methodsmentioning

confidence: 99%

Fungal and bacterial communities in a forest relict of Pinus pseudostrobus var. coatepecensis

Baeza-Guzmán,

Camargo-Ricalde,

Trejo Aguilar

et al. 2023

iForest

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Mexico is a center of diversity for the genus Pinus, with 44% of pine species being endemic to the country. Mexican pine forests are recognized as hotspots for ectomycorrhizal fungi and bacteria due to the extensive interactions that take place between microorganisms and plants in their roots. These microorganisms play a vital role in the survival of pine species. This study aims to identify fungal and bacterial communities in a relict Mexican pine forest and evaluate the influence of soil physicochemical parameters on microbial composition. Sampling was conducted along a 145 m transect in an isolated natural relict of P. pseudostrobus var. coatepecensis, which is located within a commercial plantation of Pinus patula. A total of 18 soil samples were collected at predetermined distances along the transect, with replicated sampling points as follows: six samples at 20 cm intervals, four samples at 1 m intervals, four samples at 10 m intervals, and four samples at 25 m intervals. The results indicate that fungal composition varies even at short distances and is influenced by the C:N ratio, total carbon (C), total phosphorus (P), and total hydrogen ion concentration (H + ). Ectomycorrhizal fungi (EcM) exhibited a higher relative abundance compared to saprotrophic and pathogenic fungi. A total of 69 EcM ASVs (Amplicon Sequence Variants) were identified, being the dominant genera Tomentella, Clavulina, Suillus, Russula, and Elaphomyces. Bacterial communities did not show significant variation in relation to the distance from the sampling points, but soil pH was identified as the main factor of bacterial composition. Dominant bacterial genera included Burkholderia, Bryobacter, Acidobacterium, and Acidothermus. Additionally, it was observed that current soil conditions influenced β diversity. Overall, the results demonstrate that soil fungal and bacterial communities associated with P. pseudostrobus exhibit a unique composition compared to other natural forest systems in the Neotropics.

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Testing sampling effort and relative abundance descriptors of belowground ectomycorrhizal fungi in a UK planted scots pine woodland

Cited by 7 publications

References 30 publications

Does wood mulch trigger microbially mediated positive plant-soil feedback in degraded boreal forest sites? A post hoc study

Does wood mulch trigger microbially mediated positive plant-soil feedback in degraded boreal forest sites? A post hoc study

Forest Type and Climate Outweigh Soil Bank in Shaping Dynamic Changes in Macrofungal Diversity in the Ancient Tree Park of Northeast China

Fungal and bacterial communities in a forest relict of Pinus pseudostrobus var. coatepecensis

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