The Stimulation Effect of Nitrogen-Addition on Soil Nitrogen Leaching Weakens Over Time in an Alpine Forest | |
Peng, Yuanrui2,3; Wang, Tao3; Ao, Jing2,3; Liu, Xinyu2,3; Herath, Saman1; Chang, Ruiying3 | |
刊名 | JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES |
2023-10-01 | |
卷号 | 128期号:10页码:13 |
关键词 | nitrogen leaching duration deposition alpine forest nitrogen limitation |
ISSN号 | 2169-8953 |
DOI | 10.1029/2023JG007504 |
英文摘要 | Elevated anthropogenic nitrogen (N) input to headwater forests over the years increases soil N leaching and is expected to result in negative consequences like eutrophication of downstream regions. However, the long-term response of N leaching to elevated N input in alpine forests remains elusive. Here, we explored the long-term effects of the addition of N, as N-15-labeled ammonium nitrate ((NH4NO3)-N-15-N-15), on N leaching in a three-N-level experiment via a frequent sampling of soil leachates from two soil layers for eight years. The results showed that N addition increased the total dissolved N (TDN) concentrations and fluxes in leachates from the organic layer only for the high N addition (4 g N/m(2)/yr) treatment. Regardless of N treatment, dissolved organic N was the main leaching form of N. The effect of N addition on N leaching attenuated over time and it was partly attributed to the gradual increase in N retention by the aggrading forest. Overall, our data illustrate that N leaching showed declined trends over time due to the increased plants uptake, suggesting the important role of aggrading alpine forests in regulation of N leaching under elevated N deposition. |
资助项目 | This work was supported by the Natural Science Foundation of China [41977398, 42271123], Youth Innovation Promotion Association CAS [Y2022096], Start-up Research Grant of the Institute of Mountain Hazards and Environment CAS [E0K2140140 to T.W.], Sichuan S[41977398] ; This work was supported by the Natural Science Foundation of China [41977398, 42271123], Youth Innovation Promotion Association CAS [Y2022096], Start-up Research Grant of the Institute of Mountain Hazards and Environment CAS [E0K2140140 to T.W.], Sichuan S[42271123] ; Natural Science Foundation of China[Y2022096] ; Youth Innovation Promotion Association CAS[E0K2140140] ; Institute of Mountain Hazards and Environment CAS[2023NSFSC0190] ; Sichuan Science and Technology Program ; Innovation Cross Team-Key Laboratory project of the Chinese Academy of Sciences |
WOS关键词 | DISSOLVED ORGANIC-CARBON ; KOREAN PINE PLANTATION ; INORGANIC NITROGEN ; ECOSYSTEMS ; NITRATE ; DEPOSITION ; SATURATION ; MATTER ; IMMOBILIZATION ; MECHANISMS |
WOS研究方向 | Environmental Sciences & Ecology ; Geology |
语种 | 英语 |
出版者 | AMER GEOPHYSICAL UNION |
WOS记录号 | WOS:001086445300001 |
资助机构 | This work was supported by the Natural Science Foundation of China [41977398, 42271123], Youth Innovation Promotion Association CAS [Y2022096], Start-up Research Grant of the Institute of Mountain Hazards and Environment CAS [E0K2140140 to T.W.], Sichuan S ; Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; Institute of Mountain Hazards and Environment CAS ; Sichuan Science and Technology Program ; Innovation Cross Team-Key Laboratory project of the Chinese Academy of Sciences |
内容类型 | 期刊论文 |
源URL | [http://ir.imde.ac.cn/handle/131551/57684] |
专题 | 成都山地灾害与环境研究所_山地表生过程与生态调控重点实验室 |
通讯作者 | Wang, Tao; Chang, Ruiying |
作者单位 | 1.Uva Wellassa Univ, Fac Anim Sci & Export Agr, Dept Export Agr, Badulla, Sri Lanka 2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China 3.Chinese Acad Sci, Inst Mt Hazards & Environm, CAS Key Lab Mt Surface Proc & Ecol Regulat, Chengdu, Peoples R China |
推荐引用方式 GB/T 7714 | Peng, Yuanrui,Wang, Tao,Ao, Jing,et al. The Stimulation Effect of Nitrogen-Addition on Soil Nitrogen Leaching Weakens Over Time in an Alpine Forest[J]. JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES,2023,128(10):13. |
APA | Peng, Yuanrui,Wang, Tao,Ao, Jing,Liu, Xinyu,Herath, Saman,&Chang, Ruiying.(2023).The Stimulation Effect of Nitrogen-Addition on Soil Nitrogen Leaching Weakens Over Time in an Alpine Forest.JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES,128(10),13. |
MLA | Peng, Yuanrui,et al."The Stimulation Effect of Nitrogen-Addition on Soil Nitrogen Leaching Weakens Over Time in an Alpine Forest".JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES 128.10(2023):13. |
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