Identifying Wetland Restoration Gaps and Priorities for Nitrate Removal at the Watershed Scale
文献类型：期刊论文
| 作者 | Li, Xiaowei; Hou, Xiyong |
| 刊名 | WETLANDS
 |
| 出版日期 | 2025-12-12 |
| 卷号 | 45期号:8页码:13 |
| 关键词 | Wetland geography Nitrogen surplus Nitrogen removal Wetland restoration |
| ISSN号 | 0277-5212 |
| DOI | 10.1007/s13157-025-02008-5 |
| 通讯作者 | Hou, Xiyong(xyhou@yic.ac.cn) |
| 英文摘要 | High nitrogen (N) inputs in croplands and their runoff into waterways have led to proliferation of the harmful algal blooms in coastal zones. Wetland restoration is regarded as a "nature-based solution" for N reduction. To answer the question "where should we restore wetlands to maximize N removal", we used wetland datasets, digital elevation model data, N input data, and literature knowledge of wetland N removal at wetland and sub-basin scales to identify gaps and priorities for wetland restoration in the mid North China Plain. The results showed that 1) the spatial mismatch between cropland N surplus and wetland N removal limits the contribution of wetlands to water quality. The total N removal by wetlands in the study area is approximately 376.86 kt N/yr, or close to 13% of the cropland N surplus for the study area; 2) wetland position supplies key information for identifying gaps in wetland N removal that wetland area alone can't capture; 3) wetland complexes at sub-basin scale rather than wetland area should be considered as the management target. With the same increase (1%) in wetland area, targeted restoration scenario provides a 2.89% increase in wetland N removal, which is 54 times more N removal than that of random placement scenario. These results underline that combining supply-demand budgets analysis with the perspective of wetland complexes is an important step in identifying restoration gaps. The framework proposed in this study is spatially explicit, effective, repeatable, and thus has potential to improve the wetland restoration strategies in China. |
| WOS关键词 | NITROGEN REMOVAL ; NETWORK |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:001638439500001 |
| 资助机构 | National Natural Science Foundation of China |
| 源URL | [http://ir.yic.ac.cn/handle/133337/41946]  |
| 专题 | 烟台海岸带研究所_海岸带信息集成与综合管理实验室 |
| 通讯作者 | Hou, Xiyong |
| 作者单位 | Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Shandong, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Xiaowei,Hou, Xiyong. Identifying Wetland Restoration Gaps and Priorities for Nitrate Removal at the Watershed Scale[J]. WETLANDS,2025,45(8):13. |
| APA | Li, Xiaowei,&Hou, Xiyong.(2025).Identifying Wetland Restoration Gaps and Priorities for Nitrate Removal at the Watershed Scale.WETLANDS,45(8),13. |
| MLA | Li, Xiaowei,et al."Identifying Wetland Restoration Gaps and Priorities for Nitrate Removal at the Watershed Scale".WETLANDS 45.8(2025):13. |
入库方式： OAI收割
来源：烟台海岸带研究所
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