Articles | Volume 11, issue 2
https://doi.org/10.5194/soil-11-883-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/soil-11-883-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Original research article
| 
22 Oct 2025
Original research article |
| 22 Oct 2025
| 22 Oct 2025
Contribution of soil microbial necromass carbon to soil organic carbon fractions and its influencing factors in different grassland types
Shenggang Chen
School of Soil and Water Conservation, Beijing Forestry University, Beijing, 100083, China
Key Laboratory of State Forestry Administration on Soil and Water Conservation, Beijing Forestry University, Beijing, 100083, China
Yaqi Zhang
School of Forestry and Prataculture, Ningxia University, Yinchuan, 750021, China
Key Laboratory for Restoration and Reconstruction of Degraded Ecosystem in Northwest China of Ministry of Education, Ningxia University, Yinchuan, 750021, China
Jun Ma
School of Soil and Water Conservation, Beijing Forestry University, Beijing, 100083, China
Key Laboratory of State Forestry Administration on Soil and Water Conservation, Beijing Forestry University, Beijing, 100083, China
Mingyue Bai
School of Soil and Water Conservation, Beijing Forestry University, Beijing, 100083, China
Key Laboratory of State Forestry Administration on Soil and Water Conservation, Beijing Forestry University, Beijing, 100083, China
Jinxiao Long
School of Forestry and Prataculture, Ningxia University, Yinchuan, 750021, China
Key Laboratory for Restoration and Reconstruction of Degraded Ecosystem in Northwest China of Ministry of Education, Ningxia University, Yinchuan, 750021, China
Ming Liu
School of Soil and Water Conservation, Beijing Forestry University, Beijing, 100083, China
Key Laboratory of State Forestry Administration on Soil and Water Conservation, Beijing Forestry University, Beijing, 100083, China
Yinglong Chen
School of Earth and Environment, The University of Western Australia, Perth, WA 6009, Australia
Jianbin Guo
CORRESPONDING AUTHOR
School of Soil and Water Conservation, Beijing Forestry University, Beijing, 100083, China
Key Laboratory of State Forestry Administration on Soil and Water Conservation, Beijing Forestry University, Beijing, 100083, China
Lin Chen
CORRESPONDING AUTHOR
School of Ecology and Environment, Ningxia University, Yinchuan, 750021, China
Key Laboratory for Restoration and Reconstruction of Degraded Ecosystem in Northwest China of Ministry of Education, Ningxia University, Yinchuan, 750021, China
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Cited
10 citations as recorded by crossref.
- Distinct Roles of Plant Residues and Microbial Necromass in Soil Organic Carbon Accumulation and Stability in the Alhagi sparsifolia Community M. Cong et al. https://doi.org/10.3390/plants15071030
- The Overlooked Carbon Reservoir: Marginalization of Mangrove Soils in Climate Change Mitigation Research M. Molitor et al. https://doi.org/10.3390/f17040475
- Ectomycorrhizal fungi redirect soil carbon stabilization pathways under nitrogen enrichment by regulating microbial necromass formation W. He et al. https://doi.org/10.1007/s11676-026-02082-3
- Differential responses of mineral-associated organic carbon and particulate organic carbon upon desertification of the Inner Mongolian grassland H. Peng et al. https://doi.org/10.3389/fmicb.2026.1814844
- Bamboo expansion into broadleaf forests restructures topsoil carbon, nitrogen, phosphorus and potassium pools: A trade-off between carbon sink enhancement and nutrient limitation Q. Wu et al. https://doi.org/10.1016/j.catena.2026.110300
- Moss Cover Redirects Soil Organic Carbon from Active Turnover to Mineral-Associated Stabilization in Subalpine Forests J. Huang et al. https://doi.org/10.3390/plants15132098
- The Effect of Indigenous Cultivable Microorganism Inoculation on Soil Microecology During Restoration of Obstructed Soils Q. Ma et al. https://doi.org/10.3390/microorganisms14040784
- Short-term biochar amendment enhances the chemical stability of soil organic carbon in the labile pools but may inhibit native SOC transformation into stable pool J. Li et al. https://doi.org/10.1016/j.still.2026.107352
- Grazing-induced soil pH elevation drives microbial necromass deposition in the rhizosphere organic carbon pool of a desert steppe Z. Qin et al. https://doi.org/10.1016/j.agee.2026.110628
- Wildfire and post-fire management reshape soil microbial guilds and carbon dynamics at a boreal forest site in Sweden M. Soares et al. https://doi.org/10.1007/s10533-026-01344-w
10 citations as recorded by crossref.
- Distinct Roles of Plant Residues and Microbial Necromass in Soil Organic Carbon Accumulation and Stability in the Alhagi sparsifolia Community M. Cong et al. https://doi.org/10.3390/plants15071030
- The Overlooked Carbon Reservoir: Marginalization of Mangrove Soils in Climate Change Mitigation Research M. Molitor et al. https://doi.org/10.3390/f17040475
- Ectomycorrhizal fungi redirect soil carbon stabilization pathways under nitrogen enrichment by regulating microbial necromass formation W. He et al. https://doi.org/10.1007/s11676-026-02082-3
- Differential responses of mineral-associated organic carbon and particulate organic carbon upon desertification of the Inner Mongolian grassland H. Peng et al. https://doi.org/10.3389/fmicb.2026.1814844
- Bamboo expansion into broadleaf forests restructures topsoil carbon, nitrogen, phosphorus and potassium pools: A trade-off between carbon sink enhancement and nutrient limitation Q. Wu et al. https://doi.org/10.1016/j.catena.2026.110300
- Moss Cover Redirects Soil Organic Carbon from Active Turnover to Mineral-Associated Stabilization in Subalpine Forests J. Huang et al. https://doi.org/10.3390/plants15132098
- The Effect of Indigenous Cultivable Microorganism Inoculation on Soil Microecology During Restoration of Obstructed Soils Q. Ma et al. https://doi.org/10.3390/microorganisms14040784
- Short-term biochar amendment enhances the chemical stability of soil organic carbon in the labile pools but may inhibit native SOC transformation into stable pool J. Li et al. https://doi.org/10.1016/j.still.2026.107352
- Grazing-induced soil pH elevation drives microbial necromass deposition in the rhizosphere organic carbon pool of a desert steppe Z. Qin et al. https://doi.org/10.1016/j.agee.2026.110628
- Wildfire and post-fire management reshape soil microbial guilds and carbon dynamics at a boreal forest site in Sweden M. Soares et al. https://doi.org/10.1007/s10533-026-01344-w
Saved (final revised paper)
Latest update: 31 Jul 2026
Short summary
Fungal necromass carbon (FNC) contribution to mineral-associated organic carbon (MAOC) and particulate organic carbon (POC) was higher than bacterial necromass carbon (BNC). In 0–20 cm, FNC and BNC contributed more to MAOC, their contributions shifted toward POC in 20–100 cm. Microbial necromass carbon was affected by total nitrogen, mean annual rainfall, and electrical conductance in 0–20, while affected by available potassium, SOC, and mean annual temperature in 20–100.
Fungal necromass carbon (FNC) contribution to mineral-associated organic carbon (MAOC) and...
