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Regional-scale in-depth analysis of soil fungal diversity reveals strong pH and plant species effects in Northern Europe

Tedersoo, Leho and Anslan, Sten and Bahram, Mohammad and Drenkhan, Rein and Pritsch, Karin and Buegger, Franz and Padari, Allar and Hagh-Doust, Niloufar and Mikryukov, Vladimir and Gohar, Daniyal and Amiri, Rasekh and Hiiesalu, Indrek and Lutter, Reimo and Rosenvald, Raul and Rahn, Elisabeth and Adamson, Kalev and Drenkhan, Tiia and Tullus, Hardi and Jurimaa, Katrin and Sibul, Ivar and Otsing, Eveli and Polme, Sergei and Metslaid, Marek and Loit, Kaire and Agan, Ahto and Puusepp, Rasmus and Varik, Inge and Koljalg, Urmas and Abarenkov, Kessy (2020). Regional-scale in-depth analysis of soil fungal diversity reveals strong pH and plant species effects in Northern Europe. Frontiers in Microbiology. 11 , 1953
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Abstract

Soil microbiome has a pivotal role in ecosystem functioning, yet little is known about its build-up from local to regional scales. In a multi-year regional-scale survey involving 1251 plots and long-read third-generation sequencing, we found that soil pH has the strongest effect on the diversity of fungi and its multiple taxonomic and functional groups. The pH effects were typically unimodal, usually both direct and indirect through tree species, soil nutrients or mold abundance. Individual tree species, particularlyPinus sylvestris,Picea abies, andPopulus x wettsteinii, and overall ectomycorrhizal plant proportion had relatively stronger effects on the diversity of biotrophic fungi than saprotrophic fungi. We found strong temporal sampling and investigator biases for the abundance of molds, but generally all spatial, temporal and microclimatic effects were weak. Richness of fungi and several functional groups was highest in woodlands and around ruins of buildings but lowest in bogs, with marked group-specific trends. In contrast to our expectations, diversity of soil fungi tended to be higher in forest island habitats potentially due to the edge effect, but fungal richness declined with island distance and in response to forest fragmentation. Virgin forests supported somewhat higher fungal diversity than old non-pristine forests, but there were no differences in richness between natural and anthropogenic habitats such as parks and coppiced gardens. Diversity of most fungal groups suffered from management of seminatural woodlands and parks and thinning of forests, but especially for forests the results depended on fungal group and time since partial harvesting. We conclude that the positive effects of tree diversity on overall fungal richness represent a combined niche effect of soil properties and intimate associations.

Authors/Creators:Tedersoo, Leho and Anslan, Sten and Bahram, Mohammad and Drenkhan, Rein and Pritsch, Karin and Buegger, Franz and Padari, Allar and Hagh-Doust, Niloufar and Mikryukov, Vladimir and Gohar, Daniyal and Amiri, Rasekh and Hiiesalu, Indrek and Lutter, Reimo and Rosenvald, Raul and Rahn, Elisabeth and Adamson, Kalev and Drenkhan, Tiia and Tullus, Hardi and Jurimaa, Katrin and Sibul, Ivar and Otsing, Eveli and Polme, Sergei and Metslaid, Marek and Loit, Kaire and Agan, Ahto and Puusepp, Rasmus and Varik, Inge and Koljalg, Urmas and Abarenkov, Kessy
Title:Regional-scale in-depth analysis of soil fungal diversity reveals strong pH and plant species effects in Northern Europe
Year of publishing :2020
Volume:11
Article number:1953
Number of Pages:31
ISSN:1664-302X
Language:English
Publication Type:Journal article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Soil Science
Keywords:island biogeography, community ecology, niche analysis, forest management, anthropogenic impact, ectomycorrhizal fungi, PacBio SMRT sequencing
URN:NBN:urn:nbn:se:slu:epsilon-p-107763
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-107763
Additional ID:
Type of IDID
DOI10.3389/fmicb.2020.01953
Web of Science (WoS)000574318600001
ID Code:17964
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Dept. of Ecology
(S) > Dept. of Ecology
Deposited By: SLUpub Connector
Deposited On:27 Oct 2020 15:24
Metadata Last Modified:27 Oct 2020 15:31

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