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Decreased community litter decomposition associated with nitrogen induced convergence in leaf traits in an alpine meadow
Song, Ming-Hua1; Chen, Jin2,5; Xu, Xing-Liang1; Yu, Fei-Hai2; Jiang, Jing3; Zheng, Li-Li1,5; Cornelissen, Johannes H. C.4
2019-11-01
Source PublicationSOIL & TILLAGE RESEARCH
ISSN0167-1987
Volume194Pages:8
Corresponding AuthorSong, Ming-Hua(songmh@igsnrr.ac.cn)
AbstractAnthropogenic activities introduce nitrogen (N) into terrestrial ecosystems, inducing changes in quantity and quality of plants. However, little is known about how do nitrogen (N)-mediated such changes alter functional diversity of green leaf traits? How does N-mediated changes in leaf quality contribute to the rate of litter decomposition at intra- or inter-species level? How can such N-mediated changes in quantity and quality be scaled up to explain and predict community-level litter decomposition? A common garden litter decomposition was conducted in an alpine meadow on the Tibetan Plateau, where six litter species and litter mixtures from the communities that had experienced eight-year N addition treatment, were subjected to decomposition for 641 days, with three harvests. For litter mixtures, littles were selected randomly from aboveground shoots collected from 0.5 x 0.5 m(2) quadrats. We found that N enrichment increased green leaf and litter N concentrations, and caused small and idiosyncratic variations in phosphorus and carbon concentrations. Plasticity in leaf nutrient concentrations induced little variation in litter decomposition in the six species. Meanwhile, N enrichment induced a reduction in leaf trait diversity and community-level litter decomposition. Correspondingly, positive relationship between decomposition rate (k) and leaf trait diversity were observed. N enrichment reduced dissimilarity of leaf traits, which could relate a reduction of litter decomposition at community level. By integrating intra- and interspecific trait variation with the abundances of coexisting species, these findings can help predict ecosystem function with N enrichment.
KeywordLeaf traits Convergence Litter decomposition N enrichment Alpine meadow Tibetan plateau
DOI10.1016/j.still.2019.104332
WOS KeywordFUNCTIONAL DIVERSITY ; NUTRIENT LIMITATION ; DECAY-RATES ; FORM UPTAKE ; AVAILABILITY ; RESPONSES ; EXPLAIN ; QUALITY ; LIGNIN ; ECOSYSTEMS
Indexed BySCI
Language英语
Funding ProjectNational key research and development program[2016YFC0501803] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA2005010401] ; National Natural Science Foundation of China[41671263] ; National Natural Science Foundation of China[31600431]
Funding OrganizationNational key research and development program ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:000486360400040
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/69526
Collection中国科学院地理科学与资源研究所
Corresponding AuthorSong, Ming-Hua
Affiliation1.Chinese Acad Sci, Key Lab Ecosyst Network Observat & Modeling, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Taizhou Univ, Zhejiang Prov Key Lab Plant Evolutionary Ecol & C, Taizhou 318000, Peoples R China
3.Nanjing Agr Inst Jiangsu Hilly Reg, Nanjing 210046, Jiangsu, Peoples R China
4.Vrije Univ, Dept Ecol Sci, Syst Ecol, Fac Sci, Boelelaan 1085, NL-1081 HV Amsterdam, Netherlands
5.Univ Chinese Acad Sci, Yuquan Rd 35, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Song, Ming-Hua,Chen, Jin,Xu, Xing-Liang,et al. Decreased community litter decomposition associated with nitrogen induced convergence in leaf traits in an alpine meadow[J]. SOIL & TILLAGE RESEARCH,2019,194:8.
APA Song, Ming-Hua.,Chen, Jin.,Xu, Xing-Liang.,Yu, Fei-Hai.,Jiang, Jing.,...&Cornelissen, Johannes H. C..(2019).Decreased community litter decomposition associated with nitrogen induced convergence in leaf traits in an alpine meadow.SOIL & TILLAGE RESEARCH,194,8.
MLA Song, Ming-Hua,et al."Decreased community litter decomposition associated with nitrogen induced convergence in leaf traits in an alpine meadow".SOIL & TILLAGE RESEARCH 194(2019):8.
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