Clearcutting alters decomposition processes and initiates complex restructuring of fungal communities in soil and tree roots

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43410%2F18%3A43913898" target="_blank" >RIV/62156489:43410/18:43913898 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/67985939:_____/18:00495189 RIV/61388971:_____/18:00492122 RIV/00216208:11310/18:10379365

Výsledek na webu

<a href="https://doi.org/10.1038/s41396-017-0027-3" target="_blank" >https://doi.org/10.1038/s41396-017-0027-3</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1038/s41396-017-0027-3" target="_blank" >10.1038/s41396-017-0027-3</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Clearcutting alters decomposition processes and initiates complex restructuring of fungal communities in soil and tree roots

Popis výsledku v původním jazyce

Forest management practices often severely affect forest ecosystem functioning. Tree removal by clearcutting is one such practice, producing severe impacts due to the total reduction of primary productivity. Here, we assessed changes to fungal community structure and decomposition activity in the soil, roots and rhizosphere of a Picea abies stand for a 2-year period following clearcutting compared to data from before tree harvest. We found that the termination of photosynthate flow through tree roots into soil is associated with profound changes in soil, both in decomposition processes and fungal community composition. The rhizosphere, representing an active compartment of high enzyme activity and high fungal biomass in the living stand, ceases to exist and starts to resemble bulk soil. Decomposing roots appear to separate from bulk soil and develop into hotspots of decomposition and important fungal biomass pools. We found no support for the involvement of ectomycorrhizal fungi in the decomposition of roots, but we found some evidence that root endophytic fungi may have an important role in the early stages of this process. In soil, activity of extracellular enzymes also decreased in the long term following the end of rhizodeposition by tree roots.

Název v anglickém jazyce

Clearcutting alters decomposition processes and initiates complex restructuring of fungal communities in soil and tree roots

Popis výsledku anglicky

Forest management practices often severely affect forest ecosystem functioning. Tree removal by clearcutting is one such practice, producing severe impacts due to the total reduction of primary productivity. Here, we assessed changes to fungal community structure and decomposition activity in the soil, roots and rhizosphere of a Picea abies stand for a 2-year period following clearcutting compared to data from before tree harvest. We found that the termination of photosynthate flow through tree roots into soil is associated with profound changes in soil, both in decomposition processes and fungal community composition. The rhizosphere, representing an active compartment of high enzyme activity and high fungal biomass in the living stand, ceases to exist and starts to resemble bulk soil. Decomposing roots appear to separate from bulk soil and develop into hotspots of decomposition and important fungal biomass pools. We found no support for the involvement of ectomycorrhizal fungi in the decomposition of roots, but we found some evidence that root endophytic fungi may have an important role in the early stages of this process. In soil, activity of extracellular enzymes also decreased in the long term following the end of rhizodeposition by tree roots.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10612 - Mycology

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

ISME Journal

ISSN

1751-7362

e-ISSN

—

Svazek periodika

12

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

12

Strana od-do

692-703

Kód UT WoS článku

000427226100006

EID výsledku v databázi Scopus

2-s2.0-85040648766