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The relative contributions of intra- and inter-specific variation in driving community stoichiometric responses to nitrogen deposition and mowing in a grassland

文献类型：期刊论文

作者Hou, Shuang-Li1; Lu, Xiao-Tao1; Yin, Jiang-Xia2; Yang, Jun-Jie3; Hu, Yan-Yu1,4; Wei, Hai-Wei1,4; Zhang, Zhi-Wei2; Yang, Guo-Jiao1,4; Liu, Zhuo-Yi1,4; Han, Xing-Guo1,3,4
刊名SCIENCE OF THE TOTAL ENVIRONMENT
出版日期2019-05-20
卷号666页码:887-893
关键词Nitrogen addition Hay-making Intra- and inter-specific variation Ecological stoichiometry Nutrient cycling Species abundance rank Temperate steppe Variance decomposition
ISSN号0048-9697
DOI10.1016/j.scitotenv.2019.02.322
英文摘要Aims: The stoichiomernic characteristics of plant communities are important controller for several fundamental ecological processes. The effects of environmental changes on community stoichiometric characteristics are driven by intra- and inter-specific variation. However, the relative importance of both pathways has seldom been empirically examined. Methods: We quantified the relative contribution of intra- and inter-specific variation to the changes of community nitrogen (N) and phosphorus (P) concentrations after seven-year factorial N addition and mowing treatments in a semi-arid grassland of northern China. Results: Nitrogen addition significantly increased community N and P concentrations and N:P ratio. Mowing significantly increased community N concentration and N:P. Intra-specific variation contributed more than inter-specific variation to the total variability of all the nutritional and stoichiometric characteristics, with intra-specific variation accounting for 68%, 70%, and 75% of the total variation in community level N, P, and N:P, respectively. Negative covariations between the contribution of intra- and inter specific variation occurred for community N and P concentrations. Further, N addition and mowing interacted to affect the impacts of intra- and inter-specific variation on community N concentration and N:P stoichiometry. Conclusions: Our results highlight different ways of trait selection for N addition and mowing treatments. Interactions between those two factors make it more difficult to accurately predict the responses of plant-mediated biogeochemical cycles under co-occurrence of environmental changes. (C) 2019 Elsevier B.V. All rights reserved.
资助项目National Basic Research Program of China[2016YFC0500601] ; National Basic Research Program of China[2015CB150802] ; National Natural Science Foundation of China[31770503] ; National Natural Science Foundation of China[31822006] ; National Natural Science Foundation of China[31430016] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB15010403] ; Youth Innovation Promotion Association CAS[2014174] ; Key Research Program from CAS[QYZDB-SSW-DQC006]
WOS研究方向Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000463180700086
出版者ELSEVIER SCIENCE BV
源URL[http://210.72.129.5/handle/321005/124017]  
专题中国科学院沈阳应用生态研究所
通讯作者Lu, Xiao-Tao
作者单位1.Chinese Acad Sci, Inst Appl Ecol, Key Lab Forest Ecol & Management, Erguna Forest Steppe Ecotone Res Stn, Shenyang 110016, Liaoning, Peoples R China
2.Liaoning Univ, Sch Life Sci, Shenyang 110036, Liaoning, Peoples R China
3.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Hou, Shuang-Li,Lu, Xiao-Tao,Yin, Jiang-Xia,et al. The relative contributions of intra- and inter-specific variation in driving community stoichiometric responses to nitrogen deposition and mowing in a grassland[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019,666:887-893.
APA Hou, Shuang-Li.,Lu, Xiao-Tao.,Yin, Jiang-Xia.,Yang, Jun-Jie.,Hu, Yan-Yu.,...&Han, Xing-Guo.(2019).The relative contributions of intra- and inter-specific variation in driving community stoichiometric responses to nitrogen deposition and mowing in a grassland.SCIENCE OF THE TOTAL ENVIRONMENT,666,887-893.
MLA Hou, Shuang-Li,et al."The relative contributions of intra- and inter-specific variation in driving community stoichiometric responses to nitrogen deposition and mowing in a grassland".SCIENCE OF THE TOTAL ENVIRONMENT 666(2019):887-893.

入库方式： OAI收割

来源：沈阳应用生态研究所

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