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|a 10.1111/gcb.70413
|2 doi
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|a pubmed25n1528.xml
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|a eng
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| 100 |
1 |
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|a Fu, Haoran
|e verfasserin
|4 aut
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|a Fungal Necromass Carbon Dominates Global Soil Organic Carbon Storage
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|c 2025
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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
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|a Date Completed 09.08.2025
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|a Date Revised 12.08.2025
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|a published: Print
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|a Citation Status MEDLINE
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|a © 2025 John Wiley & Sons Ltd.
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|a Soil organic carbon (C) is derived primarily from plant and microbial necromass; however, the global distribution and contribution of different necromass inputs to soil C storage remain unclear. We conducted a global meta-analysis encompassing 2410 observations from 249 microbial necromass studies and 786 observations from 72 plant residue studies. The results showed that the content of microbial-derived C (10.63 ± 0.39 g C kg-1 soil) exceeded that of plant-derived C (lignin phenol carbon (LPC), 5.63 ± 0.45 g C kg-1 soil), across the 0-100 cm soil profile, with fungal necromass carbon (FNC; 7.24 ± 0.21 g C kg-1) contributing the most to soil C-a pattern consistently observed across all depths. In addition, in the topsoil (0-20 cm), forests (9.39 ± 1.22 g C kg-1) and grasslands (9.73 ± 1.74 g C kg-1) showed significantly higher LPC contents than croplands and wetlands; therefore, cropland expansion significantly reduces microbial- and plant-derived carbon stocks in topsoil. Global FNC, BNC, and LPC stocks were estimated to be 211 Pg (95% CI: 156-270 Pg), 71 Pg (95% CI: 59-88 Pg) and 168 Pg (95% CI: 151-186 Pg) in topsoil, respectively. Lower soil pH and mean annual temperature were associated with higher FNC, BNC, and LPC contents, particularly in high-latitude regions like North America. These results demonstrate that microbial necromass, rather than plant residues, dominates soil C storage globally. These findings highlight the need for management strategies that address both land-use change and rising temperatures to protect microbial and plant C pools
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|a Journal Article
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|a Meta-Analysis
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|a bacterial necromass carbon
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|a ecosystem
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|a fungal necromass carbon
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|a plant‐derived carbon
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|a soil organic carbon
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| 650 |
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|a Soil
|2 NLM
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|a Carbon
|2 NLM
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| 650 |
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|a 7440-44-0
|2 NLM
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| 700 |
1 |
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|a Chen, Hong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Zhengbo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liang, Guopeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chadwick, David R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jones, Davey L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wanek, Wolfgang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Lianghuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Qingxu
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 31(2025), 8 vom: 15. Aug., Seite e70413
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnas
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| 773 |
1 |
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|g volume:31
|g year:2025
|g number:8
|g day:15
|g month:08
|g pages:e70413
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| 856 |
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|u http://dx.doi.org/10.1111/gcb.70413
|3 Volltext
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