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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.16042
|2 doi
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|a pubmed24n1115.xml
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|a (DE-627)NLM334597811
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|a (NLM)34923712
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhang, Yong
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Stimulation of ammonia oxidizer and denitrifier abundances by nitrogen loading
|b Poor predictability for increased soil N2 O emission
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 24.02.2022
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|a Date Revised 31.07.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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| 520 |
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|a © 2021 The Authors. Global Change Biology published by John Wiley & Sons Ltd.
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|a Unprecedented nitrogen (N) inputs into terrestrial ecosystems have profoundly altered soil N cycling. Ammonia oxidizers and denitrifiers are the main producers of nitrous oxide (N2 O), but it remains unclear how ammonia oxidizer and denitrifier abundances will respond to N loading and whether their responses can predict N-induced changes in soil N2 O emission. By synthesizing 101 field studies worldwide, we showed that N loading significantly increased ammonia oxidizer abundance by 107% and denitrifier abundance by 45%. The increases in both ammonia oxidizer and denitrifier abundances were primarily explained by N loading form, and more specifically, organic N loading had stronger effects on their abundances than mineral N loading. Nitrogen loading increased soil N2 O emission by 261%, whereas there was no clear relationship between changes in soil N2 O emission and shifts in ammonia oxidizer and denitrifier abundances. Our field-based results challenge the laboratory-based hypothesis that increased ammonia oxidizer and denitrifier abundances by N loading would directly cause higher soil N2 O emission. Instead, key abiotic factors (mean annual precipitation, soil pH, soil C:N ratio, and ecosystem type) explained N-induced changes in soil N2 O emission. Altogether, these findings highlight the need for considering the roles of key abiotic factors in regulating soil N transformations under N loading to better understand the microbially mediated soil N2 O emission
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|a Journal Article
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|a biological and chemical processes
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|a denitrification
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|a microbial gene abundance
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|a nitrification
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|a nitrogen addition
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4 |
|a nitrous oxide
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|a precipitation
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|a soil pH
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|a Soil
|2 NLM
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|a Ammonia
|2 NLM
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| 650 |
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|a 7664-41-7
|2 NLM
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| 650 |
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|a Nitrous Oxide
|2 NLM
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| 650 |
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|a K50XQU1029
|2 NLM
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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7 |
|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Zhang, Feng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Abalos, Diego
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Luo, Yiqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hui, Dafeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hungate, Bruce A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a García-Palacios, Pablo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kuzyakov, Yakov
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Olesen, Jørgen Eivind
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jørgensen, Uffe
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Ji
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 28(2022), 6 vom: 15. März, Seite 2158-2168
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
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|g volume:28
|g year:2022
|g number:6
|g day:15
|g month:03
|g pages:2158-2168
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| 856 |
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|u http://dx.doi.org/10.1111/gcb.16042
|3 Volltext
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|a AR
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|d 28
|j 2022
|e 6
|b 15
|c 03
|h 2158-2168
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