Contrasting global patterns of soil microbial quotients of carbon, nitrogen, and phosphorus in terrestrial ecosystems
文献类型：期刊论文
| 作者 | Gao, Decai10; Shi, Wenjiao8,9; Wang, Huimin8,10; Liu, Ziping7; Jiang, Qunou6; Lv, Wenjun5; Wang, Siyu6; Zhang, Yan-Li3,4; Zhao, Chunhong2,7; Hagedorn, Frank1 |
| 刊名 | CATENA
 |
| 出版日期 | 2024-08-01 |
| 卷号 | 243页码:108145 |
| 关键词 | Microbial biomass carbon Microbial biomass nitrogen Microbial biomass phosphorus Soil organic carbon Terrestrial biome Random forest model |
| DOI | 10.1016/j.catena.2024.108145 |
| 产权排序 | 1 |
| 英文摘要 | The microbial quotient of soil, defined as the proportion of soil elements present in soil microorganisms, reflects the capacity of microbial communities to regulate processes like organic matter decomposition and nutrient cycling. These processes are vital for ecosystem functioning, supporting plant growth, and maintaining soil fertility. However, the global scale's magnitude and drivers of soil microbial quotients remain elusive. This study complied a comprehensive dataset comprising ratios of microbial biomass carbon to soil organic carbon (MBC/ SOC), microbial biomass nitrogen to total nitrogen (MBN/TN), and microbial biomass phosphorus to total phosphorus (MBP/TP) from 1394 published studies until 2022 to investigate global patterns of soil microbial quotients using a random forest model. The data showed that the modeled global means for MBC/SOC, MBN/TN, and MBP/TP at 0-30 cm soil depth were 2.2 %, 3.5 %, and 7.0 %, respectively. Climatic factors, including relative humidity, mean annual temperature (MAT), and mean annual precipitation (MAP), were identified as the most important drivers of MBC/SOC at the global scale. Modeled MBC/SOC showed higher values in tropical/ subtropical biomes than in temperate and boreal biomes. Conversely, MBN/TN and MBP/TP were higher in boreal forests and tundra than in tropical/subtropical biomes, possibly reflecting nitrogen and phosphorus limitations as well as nutrient recycling in microbial biomass in cold regions. In addition, MBC/SOC displayed obvious seasonal variations, with the highest values in spring (2.4) and the lowest in winter (1.9). This variation is likely a result of the higher temperature sensitivity of soil microbial biomass compared to soil organic carbon. Overall, the findings of this study significantly enhance our understanding of the mechanisms driving soil organic matter and nutrient cycling across terrestrial ecosystems. It also supplies critical parameters that could improve the modeling of soil nutrient cycling. |
| WOS关键词 | N-P STOICHIOMETRY ; BIOMASS CARBON ; ORGANIC-CARBON ; FOREST SOILS ; LAND USES ; RATIOS ; SUBSTRATE ; QUALITY ; MATTER |
| WOS研究方向 | Geology ; Agriculture ; Water Resources |
| WOS记录号 | WOS:001325840600001 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/208236]  |
| 专题 | 千烟洲站森林生态系统研究中心_外文论文 |
| 作者单位 | 1.Swiss Fed Inst Forest Snow & Landscape Res WSL, Forest Soils & Biogeochem, Birmensdorf, Switzerland 2.State Key Lab Resources & Environm Informat Syst, Beijing, Peoples R China 3.Swiss Fed Inst Forest Snow & Landscape Res WSL, Forest Dynam, Birmensdorf, Switzerland 4.Swiss Fed Inst Technol, Inst Terr Ecosyst, Dept Environm Syst Sci, Zurich, Switzerland 5.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing, Peoples R China 6.Beijing Forestry Univ, Sch Soil & Water Conservat, Beijing, Peoples R China 7.Northeast Normal Univ, Key Lab Geog Proc & Ecol Secur Changbai Mt, Minist Educ, Changchun 130024, Peoples R China 8.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China 9.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing, Peoples R China 10.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Qianyanzhou Ecol Res Stn, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Gao, Decai,Shi, Wenjiao,Wang, Huimin,et al. Contrasting global patterns of soil microbial quotients of carbon, nitrogen, and phosphorus in terrestrial ecosystems[J]. CATENA,2024,243:108145. |
| APA | Gao, Decai.,Shi, Wenjiao.,Wang, Huimin.,Liu, Ziping.,Jiang, Qunou.,...&Hagedorn, Frank.(2024).Contrasting global patterns of soil microbial quotients of carbon, nitrogen, and phosphorus in terrestrial ecosystems.CATENA,243,108145. |
| MLA | Gao, Decai,et al."Contrasting global patterns of soil microbial quotients of carbon, nitrogen, and phosphorus in terrestrial ecosystems".CATENA 243(2024):108145. |
入库方式： OAI收割
来源：地理科学与资源研究所
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