Microbial community dynamics in two Central European peatlands affected by different nitrogen depositions
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00025798%3A_____%2F25%3A10169716" target="_blank" >RIV/00025798:_____/25:10169716 - isvavai.cz</a>
Alternative codes found
RIV/60076658:12310/25:43911135
Result on the web
<a href="https://doi.org/10.1093/femsec/fiaf056" target="_blank" >https://doi.org/10.1093/femsec/fiaf056</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1093/femsec/fiaf056" target="_blank" >10.1093/femsec/fiaf056</a>
Alternative languages
Result language
angličtina
Original language name
Microbial community dynamics in two Central European peatlands affected by different nitrogen depositions
Original language description
Changes in organic matter accumulation in wetlands are critical for climate dynamics. Different nitrogen (N) inputs in Sphagnum-dominated peat bogs can lead to varying rates of carbon (C) and N accumulation, influencing greenhouse gas emissions. We investigated how contrasting N deposition shapes microbial communities in two Czech peat bogs, focusing on biological N2 fixation (BNF) as a key N input in pristine wetlands. Higher N deposition resulted in a more active microbial community with increased enzyme activity and C acquisition, potentially accelerating decomposition and reducing C storage. Enhanced denitrification, indicated by active nosZ Clade I genes, suggests that higher N inputs may increase N losses through denitrification. In contrast, the lower N site showed a less active microbial community with slower decomposition, beneficial for C sequestration, though potentially less adaptable to future N increases. Experimental BNF rates were 70 times higher at the high N site, consistent with elevated diazotroph activity indicated by active nifH gene. Phosphorus (P) availability and NH4+/NO3- ratios appeared to drive BNF differences, emphasizing the need for managed N inputs to maintain peatland ecological functions. This study reveals how nitrogen inputs shape peatland microbial dynamics and carbon cycling, showing that increased N deposition fuels microbial activity and nitrogen fixation, potentially tipping peatlands from carbon stores to greenhouse gas sources.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10511 - Environmental sciences (social aspects to be 5.7)
Result continuities
Project
<a href="/en/project/GA24-12596S" target="_blank" >GA24-12596S: Nitrogen fixation in polluted Czech peat bogs: Reconciling high N accumulation rates based on 210Pb dating with low 15N2 uptake and low P availability</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
FEMS Microbiology Ecology
ISSN
0168-6496
e-ISSN
1574-6941
Volume of the periodical
101
Issue of the periodical within the volume
7
Country of publishing house
GB - UNITED KINGDOM
Number of pages
15
Pages from-to
nestránkováno
UT code for WoS article
001516678200001
EID of the result in the Scopus database
2-s2.0-105009376407