Contrasting Effects of Nitrogen Deposition and Phosphorus Addition on Soil Organic Carbon in a Subtropical Forest: Physical Protection versus Chemical Stability
文献类型：期刊论文
| 作者 | Wang, Xiaodong3,4; Wu, Anqi3,4; Chen, Fu-Sheng2,4; Fang, Xiangmin2,4; Wang, Huimin1; Wang, Fangchao2,4 |
| 刊名 | FORESTS
 |
| 出版日期 | 2024-02-01 |
| 卷号 | 15期号:2页码:14 |
| 关键词 | chemical stability of organic carbon nitrogen deposition phosphorus addition soil aggregate soil physical protection |
| DOI | 10.3390/f15020385 |
| 通讯作者 | Wang, Fangchao(wfangch@163.com) |
| 英文摘要 | Soil organic carbon (SOC) not only contributes to maintain soil health, but is also important in regulating global climate change. How atmospheric nitrogen (N) deposition and phosphorus (P) addition affects SOC dynamics remains unclear, especially in subtropical forests. The response of SOC in three layers to N deposition and P addition in this study is estimated by analyzing the soil aggregates and C chemical stability composition fertilized with N (100 kg N hm-2 a-1) and/or P (50 kg P hm-2 a-1) over 9 years in a Chinese fir (Cunninghamia lanceolata) plantation. Treatments involving N deposition increased the SOC concentration, while P addition alone decreased the SOC concentration in soil layers above 10 cm. The addition of N significantly increased the mean diameter of topsoil aggregates, macroaggregates SOC concentration, and the contribution of N to total SOC. P addition decreased the relative abundances of aromatic and aliphatic functional groups while decreasing the chemical stability of SOC in the topsoil. A structural equation model indicated that N deposition promoted SOC concentration by mainly improving the physical protection of soil aggregates, while P addition reduced SOC sequestration by decreasing the chemical stability of SOC. Our research suggested that elevated N deposition might promote the soil C sink, while P fertilization would not be recommended under increased N deposition to protect soil C storage in subtropical forests. |
| WOS关键词 | ATMOSPHERIC NITROGEN ; MATTER ; SEQUESTRATION ; MECHANISMS ; INDICATORS ; TURNOVER ; DYNAMICS ; QUALITY ; IMPACT ; CHINA |
| 资助项目 | National Natural Science Foundation of China |
| WOS研究方向 | Forestry |
| 语种 | 英语 |
| 出版者 | MDPI |
| WOS记录号 | WOS:001170138600001 |
| 资助机构 | National Natural Science Foundation of China |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/203139]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Wang, Fangchao |
| 作者单位 | 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Qianyanzhou Ecol Stn, Beijing 100101, Peoples R China 2.Jiangxi Agr Univ, Jiangxi Prov Key Lab Subtrop Forest Resource Silvi, Nanchang 330045, Peoples R China 3.Jiangxi Acad Forestry, Nanchang 330013, Peoples R China 4.Jiangxi Agr Univ, Key Lab Natl Forestry & Grassland Adm Forest Ecosy, Nanchang 330045, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Xiaodong,Wu, Anqi,Chen, Fu-Sheng,et al. Contrasting Effects of Nitrogen Deposition and Phosphorus Addition on Soil Organic Carbon in a Subtropical Forest: Physical Protection versus Chemical Stability[J]. FORESTS,2024,15(2):14. |
| APA | Wang, Xiaodong,Wu, Anqi,Chen, Fu-Sheng,Fang, Xiangmin,Wang, Huimin,&Wang, Fangchao.(2024).Contrasting Effects of Nitrogen Deposition and Phosphorus Addition on Soil Organic Carbon in a Subtropical Forest: Physical Protection versus Chemical Stability.FORESTS,15(2),14. |
| MLA | Wang, Xiaodong,et al."Contrasting Effects of Nitrogen Deposition and Phosphorus Addition on Soil Organic Carbon in a Subtropical Forest: Physical Protection versus Chemical Stability".FORESTS 15.2(2024):14. |
入库方式： OAI收割
来源：地理科学与资源研究所
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