Effects of land use changes on soil organic carbon, nitrogen and their losses in a typical watershed of the Loess Plateau, China
文献类型：期刊论文
| 作者 | Zhu, Guangyu2; Shangguan, Zhouping3,4; Hu, Xinzhi1; Deng, Lei3,4 |
| 刊名 | ECOLOGICAL INDICATORS
 |
| 出版日期 | 2021-12-01 |
| 卷号 | 133页码:9 |
| 关键词 | Nitrogen Soil erosion Soil organic carbon The Loess Plateau Vegetation restoration |
| ISSN号 | 1470-160X |
| DOI | 10.1016/j.ecolind.2021.108443 |
| 通讯作者 | Zhu, Guangyu(zhu_guangyu@outlook.com) ; Deng, Lei(leideng@ms.iswc.ac.cn) |
| 英文摘要 | The "Grain for Green" programme has had a significant impact on land use change and carbon and nitrogen balance. However, it is unlear how vegetation restoration affects soil organic carbon (SOC), nitrogen (N) and their losses based on the grid measured data of regional scale. In this study, at the watershed scale, the SOC, N, nutrient losses, sequestration rates, sequestration potential, and influencing factors of croplands, orchards, grasslands, forests and human settlements were assessed through 113 sampling points. Results showed that natural vegetation soil exhibited the highest SOC storage (38.9 Mg center dot ha- 1) and N storage (0.86 Mg center dot ha- 1), and grasslands had the highest SOC sequestration rate (19.2 kg center dot hm- 2 center dot yr- 1) and N sequestration potential (5.7 kg center dot yr- 1). Additionally, forests had the highest SOC sequestration rate (0.43 Mg center dot hm- 2 center dot yr- 1), and orchards had the highest SOC sequestration potential (161.2 Mg center dot yr- 1). The SOC storage, N storage, and sequestration potential of artificial vegetation were mainly affected by the soil particles and bulk density, however, the SOC storage, N storage, and sequestration potential of natural vegetation were mainly affected by the soil aggregate stability and soil C: N. In addition, the heaviest losses of SOC and N occurred in grasslands, with the highest average amounts in orchards, and the lowest average amounts in forests. We put forward general management suggestions for different vegetation types and focus on four measures for the management of orchards, with a view toward reducing SOC and N losses in different land use types. |
| WOS关键词 | VEGETATION RESTORATION ; LITTER DECOMPOSITION ; AGGREGATE STABILITY ; AFFORESTATION ; GRASSLAND ; DYNAMICS ; GRADIENT ; STOCKS ; LIMITATION ; MANAGEMENT |
| 资助项目 | Scientific and Technological Innovation Project of Shaanxi Forestry Academy of Sciences[SXLK2021-0206] ; Key Research and Development Program of Shaanxi Province[2021ZDLSF05-02] ; Special Support Plan of Young Talents Project of Shaanxi Province[20201326015] ; National Forestry and Grassland Administration in China[20201326015] ; Ministry of Water Resources[A314021402-2004] ; Open Fund of State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Water and Soil Conservation, Chinese Academy of Sciences |
| WOS研究方向 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000728758000001 |
| 出版者 | ELSEVIER |
| 资助机构 | Scientific and Technological Innovation Project of Shaanxi Forestry Academy of Sciences ; Key Research and Development Program of Shaanxi Province ; Special Support Plan of Young Talents Project of Shaanxi Province ; National Forestry and Grassland Administration in China ; Ministry of Water Resources ; Open Fund of State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Water and Soil Conservation, Chinese Academy of Sciences |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/168637]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Zhu, Guangyu; Deng, Lei |
| 作者单位 | 1.PowerChina ZhongNan Engn Corp Ltd, Changsha 410014, Hunan, Peoples R China 2.Chongqing Univ, Key Lab Three Gorges Reservoir Reg Ecoenvironm, Minist Educ, Chongqing 400045, Peoples R China 3.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China 4.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhu, Guangyu,Shangguan, Zhouping,Hu, Xinzhi,et al. Effects of land use changes on soil organic carbon, nitrogen and their losses in a typical watershed of the Loess Plateau, China[J]. ECOLOGICAL INDICATORS,2021,133:9. |
| APA | Zhu, Guangyu,Shangguan, Zhouping,Hu, Xinzhi,&Deng, Lei.(2021).Effects of land use changes on soil organic carbon, nitrogen and their losses in a typical watershed of the Loess Plateau, China.ECOLOGICAL INDICATORS,133,9. |
| MLA | Zhu, Guangyu,et al."Effects of land use changes on soil organic carbon, nitrogen and their losses in a typical watershed of the Loess Plateau, China".ECOLOGICAL INDICATORS 133(2021):9. |
入库方式： OAI收割
来源：地理科学与资源研究所
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