Depth-Dependent Controls Over Soil Organic Carbon Stock across Chinese Shrublands
文献类型：期刊论文
| 作者 | Ge, Jielin; Xu, Wenting; Xiong, Gaoming; Zhao, Changming; Li, Jiaxiang6; Liu, Qing1,7; Tang, Zhiyao2,3; Xie, Zongqiang4
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| 刊名 | ECOSYSTEMS
 |
| 出版日期 | 2023 |
| 卷号 | 26期号:2页码:277-289 |
| 关键词 | soil carbon storage subsoil layer climate-vegetation-soil relationships climatic control edaphic properties vegetation attributes |
| ISSN号 | 1432-9840 |
| DOI | 10.1007/s10021-022-00757-6 |
| 文献子类 | Article |
| 英文摘要 | Soil organic carbon (SOC) in shrublands is an important component of global carbon cycling. However, there is a dearth of large-scale systematic observations of SOC stocks at different soil depths, and it remains uncertain whether and how the relative importance of biotic and abiotic variables in regulating SOC stocks changes with soil depth. Here, we quantified large-scale patterns and controlling factors of SOC storage per area (SOCD, kg m(-2)) for both topsoils (0-30 cm) and subsoils (30-100 cm) by taking full advantage of a consistent stratified random sampling study of one-meter soil profiles across 1211 sites in Chinese shrublands. We found that subsoils stored about 53.30% of total SOCD, falling into the range of previously reported values for terrestrial ecosystems. SoilGrids250m model-derived assessments overestimated SOCD by 13.72 and 65.49% for topsoils and subsoils, respectively. The effects of climate means and seasonality on SOCD were equally strong in both topsoils and subsoils. The predominant effects of edaphic properties on SOCD were more robust in subsoils than in topsoils. Belowground biomass of shrublands was the only significant predictor of topsoil SOCD, but it did not predict subsoil SOCD accurately. These findings have refined our understanding of the pivotal role of shrublands in SOC storage and sequestration potential and could serve as an ecologically valuable baseline for large-scale improvement and validation of depth-dependent SOC dynamics for multilayer SOC modules in Earth Systems Models. |
| 学科主题 | Ecology |
| 出版地 | NEW YORK |
| 电子版国际标准刊号 | 1435-0629 |
| WOS关键词 | TERRESTRIAL ECOSYSTEMS ; ENVIRONMENTAL CONTROLS ; SEMIARID ECOSYSTEMS ; CLIMATE ; STORAGE ; PATTERNS ; POOLS ; DRIVERS |
| WOS研究方向 | Science Citation Index Expanded (SCI-EXPANDED) |
| 语种 | 英语 |
| WOS记录号 | WOS:000771892600003 |
| 出版者 | SPRINGER |
| 资助机构 | Strategic Priority Research Program-Climate Change: Carbon Budget and Related Issues of the Chinese Academy of Sciences [XDA05050302] ; National Natural Science Foundation of China [31600360] ; State Key Laboratory of Vegetation and Environmental Change of China [Y7206F1016] |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/29095]  |
| 专题 | 植被与环境变化国家重点实验室 |
| 作者单位 | 1.Cent South Univ Forestry & Technol, Coll Forest, Changsha 410004, Peoples R China 2.Chinese Acad Sci, Chengdu Inst Biol, Ecol Restorat Biodivers Conservat Key Lab Sichuan, Chengdu 610041, Peoples R China 3.Peking Univ, Coll Urban & Environm Sci, Dept Ecol, Beijing 100871, Peoples R China 4.Peking Univ, Key Lab Earth Surface Proc, Beijing 100871, Peoples R China 5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 6.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, 20 Nanxincun, Beijing 100093, Peoples R China 7.Chinese Acad Sci, Chengdu Inst Biol, CAS Key Lab Mt Ecol Restorat & Bioresource Utiliz, Chengdu 610041, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ge, Jielin,Xu, Wenting,Xiong, Gaoming,et al. Depth-Dependent Controls Over Soil Organic Carbon Stock across Chinese Shrublands[J]. ECOSYSTEMS,2023,26(2):277-289. |
| APA | Ge, Jielin.,Xu, Wenting.,Xiong, Gaoming.,Zhao, Changming.,Li, Jiaxiang.,...&Xie, Zongqiang.(2023).Depth-Dependent Controls Over Soil Organic Carbon Stock across Chinese Shrublands.ECOSYSTEMS,26(2),277-289. |
| MLA | Ge, Jielin,et al."Depth-Dependent Controls Over Soil Organic Carbon Stock across Chinese Shrublands".ECOSYSTEMS 26.2(2023):277-289. |
入库方式： OAI收割
来源：植物研究所
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