Climate warming plays an important role in dissolved organic carbon loss in deep soil layers across China
文献类型：期刊论文
| 作者 | Yu, Lingli1; Li, Mingxu3,5; Kang, Xiaoyan3,5; Xu, Li5; Liang, Boming2; Chen, Jiankun2; Deng, Youbin1; Wang, Xuanbo2; Zhang, Xuyang2; Qin, Mengze5 |
| 刊名 | CATENA
 |
| 出版日期 | 2025-11-01 |
| 卷号 | 259页码:109404 |
| 关键词 | Dissolved organic carbon Subsoil Carbon loss Climate warming China |
| ISSN号 | 0341-8162 |
| DOI | 10.1016/j.catena.2025.109404 |
| 产权排序 | 2 |
| 文献子类 | Article |
| 英文摘要 | Dissolved organic carbon (DOC) is one of the most dynamic components of the soil carbon pool. Clarifying its response to climate warming is essential for understanding global carbon cycling processes and predicting future soil carbon pool changes. Using a national database of 4,789 soil DOC profiles covering different soil depths (0-30 cm, 30-100 cm) and ecosystems (forest, grassland, cropland, and wetland), we comprehensively assessed soil DOC content spatiotemporal dynamics across China and the response to climate warming. The results showed significant spatial heterogeneity in the soil DOC of China; high topsoil DOC contents were mainly distributed in low-temperature and dry regions, but high subsoil DOC contents were more concentrated in low-temperature regions. From 1982 to 2020, the topsoil DOC content showed no significant changes (R-2 = 0.02, p > 0.05), whereas the subsoil DOC content significantly decreased by approximately 4 % (R-2 = 0.66, p < 0.01). The negative response of the subsoil DOC to temperature was the primary reason for this significant decline. In comparison, the topsoil DOC content remained stable, which could be attributed to the balance between production and consumption. These findings clarify the response patterns of soil DOC to climate warming and indicate that continued DOC reductions could exacerbate soil carbon pool instability and accelerate its feedback effects on climate change. |
| URL标识 | 查看原文 |
| WOS关键词 | TEMPERATURE SENSITIVITY ; DYNAMICS ; DOC ; DECOMPOSITION ; STABILITY ; MATTER ; CO2 |
| WOS研究方向 | Geology ; Agriculture ; Water Resources |
| 语种 | 英语 |
| WOS记录号 | WOS:001565278100003 |
| 出版者 | ELSEVIER |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/216071]  |
| 专题 | 生态系统网络观测与模拟院重点实验室_外文论文 |
| 通讯作者 | Li, Mingxu; He, Nianpeng |
| 作者单位 | 1.Northeast Forestry Univ, Inst Carbon Neutral, Harbin 150040, Peoples R China; 2.Gansu Agr Univ, Coll Grassland Sci, Key Lab Grassland Ecosyst, Minist Educ, Lanzhou 730070, Peoples R China; 3.Chinese Acad Sci, Earth Crit Zone & Flux Res Stn Xingan Mt, Daxinganling 165200, Peoples R China; 4.Northeast Forestry Univ, Key Lab Sustainable Forest Ecosyst Management, Minist Educ, Harbin 150040, Peoples R China; 5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China; 6.Univ Quebec Montreal, Inst Environm Sci, Dept Biol Sci, Montreal, PQ H3C 3P8, Canada |
| 推荐引用方式 GB/T 7714 | Yu, Lingli,Li, Mingxu,Kang, Xiaoyan,et al. Climate warming plays an important role in dissolved organic carbon loss in deep soil layers across China[J]. CATENA,2025,259:109404. |
| APA | Yu, Lingli.,Li, Mingxu.,Kang, Xiaoyan.,Xu, Li.,Liang, Boming.,...&He, Nianpeng.(2025).Climate warming plays an important role in dissolved organic carbon loss in deep soil layers across China.CATENA,259,109404. |
| MLA | Yu, Lingli,et al."Climate warming plays an important role in dissolved organic carbon loss in deep soil layers across China".CATENA 259(2025):109404. |
入库方式： OAI收割
来源：地理科学与资源研究所
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