中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 地理科学与资源研究所
  3. 中国科学院地理科学与资源研究所
  4. 陆地水循环及地表过程重点实验室
  5. 外文论文
Soil water regulates plant diversity response to gradual and step nitrogen addition

文献类型：期刊论文

作者Pei, Jiu-Ying6; Zheng, Yang4,5; Yu, Yan6; Penuelas, Josep2,3; Sardans, Jordi2,3; Liu, Man-Qiong6; Fang, Chao1; Ke, Wen-Bin6; Ye, Jian-Sheng6
刊名PLANT AND SOIL
出版日期2024-09-18
卷号N/A页码:14
关键词Plant transpiration Herbaceous plant Plant competition Nitrogen fertilization Soil moisture
ISSN号0032-079X
DOI10.1007/s11104-024-06938-7
产权排序2
英文摘要Background and aimsNitrogen enrichment often increases plant aboveground biomass but reduces biodiversity. The mechanisms through which increased nitrogen can lead to the loss of plant species are still highly controversial. Furthermore, atmospheric nitrogen increases gradually over years, while our current understanding of the effects of nitrogen deposition largely relies on step nitrogen addition experiments.MethodsIn this study, we conducted a step versus gradual nitrogen addition field experiment in a semiarid grassland during 3-years, focusing on the potential mechanisms underlying species loss.ResultsOur findings revealed that both gradual and step nitrogen addition significantly increased plant aboveground biomass by 150% and 221%, respectively. However, step nitrogen addition resulted in a significant reduction in plant species richness by 18%, while gradual nitrogen addition did not significantly alter species richness. Our structure equation model indicated that reduction in soil water crucially regulated the extent of species loss under step versus gradual nitrogen additions. The regulation of soil water on plant diversity was further supported by our meta-analysis of water and nitrogen addition experiments conducted across arid and semiarid grasslands worldwide.ConclusionCollectively, soil water content is the dominant regulator of plant species loss after nitrogen enrichment in water-limiting grasslands. Our findings suggested that 3-years total nitrogen amount rather than the nitrogen input in the final year of experiment determined decline of plant diveristy, i.e., nitrogen addition had a legacy effect on grassland community.
WOS关键词COMMUNITY RESPONSES ; BIODIVERSITY LOSS ; N ENRICHMENT ; SPECIES LOSS ; COMPETITION ; DEPOSITION ; PRECIPITATION ; FREQUENCY ; IMPACT ; CYCLE
资助项目Gansu Postdoctoral Science Foundation[24JRRA527] ; Fundamental Research Funds for the Central Universities[lzujbky-2022-ct01] ; The 111 Project[BP0719040] ; Spanish Government[PID2020-115770RB-I00] ; Spanish Government[TED2021-132627B-I00] ; Catalan government[SGR2021-1333] ; Fundacion RamonRamonAreces grant[CIVP20A6621]
WOS研究方向Agriculture ; Plant Sciences
语种英语
WOS记录号WOS:001315672200002
出版者SPRINGER
资助机构Gansu Postdoctoral Science Foundation ; Fundamental Research Funds for the Central Universities ; The 111 Project ; Spanish Government ; Catalan government ; Fundacion RamonRamonAreces grant
源URL[http://ir.igsnrr.ac.cn/handle/311030/208294]  
专题陆地水循环及地表过程院重点实验室_外文论文
通讯作者Ye, Jian-Sheng
作者单位1.Nanjing Univ Informat Sci & Technol, Res Ctr Global Changes & Ecosyst Carbon Sequestrat, Sch Appl Meteorol, Nanjing 210044, Peoples R China
2.CREAF, E-08193 Cerdanyola Del Valles, Catalonia, Spain
3.CSIC Global Ecol Unit CREAF CSIC UAB, E-08193 Bellaterra, Catalonia, Spain
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
6.Lanzhou Univ, Coll Ecol, State Key Lab Herbage Improvement & Grassland Agro, 222 South Tianshui Rd, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714		 Pei, Jiu-Ying,Zheng, Yang,Yu, Yan,et al. Soil water regulates plant diversity response to gradual and step nitrogen addition[J]. PLANT AND SOIL,2024,N/A:14.
APA Pei, Jiu-Ying.,Zheng, Yang.,Yu, Yan.,Penuelas, Josep.,Sardans, Jordi.,...&Ye, Jian-Sheng.(2024).Soil water regulates plant diversity response to gradual and step nitrogen addition.PLANT AND SOIL,N/A,14.
MLA Pei, Jiu-Ying,et al."Soil water regulates plant diversity response to gradual and step nitrogen addition".PLANT AND SOIL N/A(2024):14.

入库方式： OAI收割

来源：地理科学与资源研究所

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。