Bacterial necromass determines the response of mineral-associated organic matter to elevated CO2 - 成果

Bacterial necromass determines the response of mineral-associated organic matter to elevated CO₂

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成果类型：

期刊论文

作者：

Li, Yuhong;Xiao, Mouliang;Wei, Liang;Liu, Qiong;Zhu, Zhenke;...

通讯作者：

Ge, TD

作者机构：

[Li, Yuhong] Cent South Univ Forestry & Technol, Coll Forestry, Key Lab Soil & Water Conservat & Desertificat Comb, Changsha 410004, Peoples R China.

[Li, Yuhong; Yuan, Jun] Cent South Univ Forestry & Technol, Key Lab Cultivat & Protect Nonwood Forest Trees, Minist Educ, Changsha 410004, Peoples R China.

[Wei, Liang; Ge, Tida; Kuzyakov, Yakov; Xiao, Mouliang; Zhu, Zhenke; Liu, Qiong] Ningbo Univ, Inst Plant Virol, State Key Lab Managing Biot & Chem Threats Qual &, Ningbo 315211, Peoples R China.

[Ge, Tida; Wu, Jinshui; Yuan, Hongzhao] Chinese Acad Sci, Changsha Res Stn Agr & Environm Monitoring, Changsha 410125, Peoples R China.

[Wu, Jinshui; Yuan, Hongzhao; Ge, Tida] Chinese Acad Sci, Inst Subtrop Agr, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Peoples R China.

通讯机构：

[Ge, TD ] N

Ningbo Univ, Inst Plant Virol, State Key Lab Managing Biot & Chem Threats Qual &, Ningbo 315211, Peoples R China.

Chinese Acad Sci, Changsha Res Stn Agr & Environm Monitoring, Changsha 410125, Peoples R China.

语种：

英文

关键词：

Amino sugars;Carbon sequestration;(CO2)-C-13 labelling;Mineral-associated organic matter;Necromass;Phospholipid fatty acids

期刊：

Biology and Fertility of Soils

ISSN：

0178-2762

年：

2024

卷：

期：

页码：

327-340

DOI：

10.1007/s00374-024-01803-2

基金类别：

National Natural Science Foundation of China [42141006, 42177330, 42377283, 42007097]; National Natural Science Foundation of China [2020JJ4655, 2020JJ3064]; Natural Science Foundation of Hunan Province [2020JJ3064]; Outstanding Youth Foundation of Hunan Province [22B0264]; Scientific Research Fundation of Hunan Provincial Education Department; Seagull talent of Yongjiang Talent; K. C. Wong Magna Fund of the Ningbo University

机构署名：

本校为第一机构

院系归属：

林学院

生命科学与技术学院

摘要：

Microorganisms regulate soil organic matter (SOM) formation through accumulation and decomposition of microbial necromass, which is directly and indirectly affected by elevated CO2 and N fertilization. We investigated the role of microorganisms in SOM formation by analyzing C-13 recovery in microorganisms and carbon pools in paddy soil under two CO2 levels, with and without N fertilization, after continuous (CO2)-C-13 labelling was stopped. Microbial turnover transferred C-13 from living microbial biomass (determined by the decrease in phospholipid fatty acids) to necromass (determined by the ...

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Bacterial necromass determines the response of mineral-associated organic matter to elevated CO₂

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