IB-CAS  > 植被与环境变化国家重点实验室
Quantifying the indirect effects of nitrogen deposition on grassland litter chemical traits
Hou, Shuang-Li; Freschet, Gregoire T.; Yang, Jun-Jie; Zhang, Yun-Hai; Yin, Jiang-Xia; Hu, Yan-Yu; Wei, Hai-Wei; Han, Xing-Guo; Lu, Xiao-Tao
2018
Source PublicationBIOGEOCHEMISTRY
ISSN0168-2563
Volume139Issue:3Pages:261-273
AbstractLitter chemical traits are one of the dominant controls on litter decomposition. Increasing atmospheric nitrogen (N) deposition is expected to alter litter chemical traits at the community level in both direct (altering intraspecific chemistry) and indirect ways (changing species abundance and composition). Compared to intraspecific changes, the role of changes in species composition in driving the responses of litter chemical traits to N enrichment has been seldom quantitatively addressed. We quantified the relative contribution of intraspecific changes versus changes in community composition on litter traits and how this would be influenced by the magnitude of N deposition by taking advantage of a long-term field N addition experiment in a semi-arid grassland with a wide range of N addition rates. Nitrogen deposition altered plant species abundance by facilitating the dominance of one species with a nutrient acquisitive strategy, producing higher quality litter and being more responsive to N addition at the intraspecific level. Overall, changes in species composition, intraspecific changes and their interaction all led to higher litter quality (higher N and lower lignin, cellulose and hemicellulose concentrations) under N deposition treatments. The relative contribution of species composition on the responses of litter chemical traits to N deposition also increased with N addition rate, ranging from 5 to 40% for litter N, and from 2 to - 30% for the three structural carbon components. Our results demonstrate the positive impacts of increasing N deposition on litter quality through changing intraspecific C and N chemistry and species turnover, which has potential consequences for litter decomposition and nutrient cycling in ecosystems. Further, we highlight the important contribution of shifts in species abundance to the plant-mediated biogeochemical responses to N deposition.
KeywordNitrogen deposition Litter chemistry Species turnover Intraspecific variation Lignin Litter decomposition Community composition Nutrient cycling Semi-arid grassland
Subject AreaEnvironmental Sciences ; Geosciences, Multidisciplinary
DOI10.1007/s10533-018-0466-6
Indexed BySCI
Language英语
WOS KeywordDECOMPOSITION RATES ; PLANT DIVERSITY ; NEEDLE LITTER ; ELEVATED CO2 ; N DEPOSITION ; LEAF ; SOIL ; LIGNIN ; RESORPTION ; RESPONSES
WOS IDWOS:000440421100003
PublisherSPRINGER
SubtypeArticle
Publication PlaceDORDRECHT
EISSN1573-515X
Funding OrganizationNational Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31770503, 31470505] ; National Basic Research Program of ChinaNational Basic Research Program of China [2016YFC0500601, 2015CB150802] ; Strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDB15010403] ; Key Research Program from CAS [QYZDB-SSW-DQC006] ; Youth Innovation Promotion Association CAS [2014174]
Corresponding Author Emaillvxiaotao@iae.ac.cn
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ibcas.ac.cn/handle/2S10CLM1/20593
Collection植被与环境变化国家重点实验室
Affiliation1.[Hou, Shuang-Li
2.Yang, Jun-Jie
3.Hu, Yan-Yu
4.Wei, Hai-Wei
5.Han, Xing-Guo
6.Chinese Acad Sci, Erguna Forest Steppe Ecotone Res Stn, CAS Key Lab Forest Ecol & Management, Inst Appl Ecol, Shenyang 110016, Liaoning, Peoples R China
7.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
8.[Freschet, Gregoire T.] Univ Montpellier, Ctr Ecol Fonct & Evolut, UMR 5175, CNRS,Univ Paul Valery,Montpellier EPHE IRD, 1919 Route Mende, F-34293 Montpellier, France
9.[Yang, Jun-Jie
10.Zhang, Yun-Hai
11.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat Environm Change, Beijing 100093, Peoples R China
12.Liaoning Univ, Sch Life Sci, Shenyang 110036, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Hou, Shuang-Li,Freschet, Gregoire T.,Yang, Jun-Jie,et al. Quantifying the indirect effects of nitrogen deposition on grassland litter chemical traits[J]. BIOGEOCHEMISTRY,2018,139(3):261-273.
APA Hou, Shuang-Li.,Freschet, Gregoire T..,Yang, Jun-Jie.,Zhang, Yun-Hai.,Yin, Jiang-Xia.,...&Lu, Xiao-Tao.(2018).Quantifying the indirect effects of nitrogen deposition on grassland litter chemical traits.BIOGEOCHEMISTRY,139(3),261-273.
MLA Hou, Shuang-Li,et al."Quantifying the indirect effects of nitrogen deposition on grassland litter chemical traits".BIOGEOCHEMISTRY 139.3(2018):261-273.
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