IMR OpenIR
Effect of nitrogen addition on carbon and nitrogen stable isotopes in temperate forest litter and soil
Wu, N.1,2; Qian, H.1; Tan, Y.1; Wang, Y.3
Corresponding AuthorWu, N.(nanawu0816@xmu.edu.cn)
2018-11-01
Source PublicationJOURNAL OF ENVIRONMENTAL BIOLOGY
ISSN0254-8704
Volume39Issue:6Pages:1036-1040
AbstractAim : The aim of this study was to investigate the changes of litter and soil carbon and nitrogen stable isotopes in temperate forest ecosystem under nitrogen addition. Methodology : In a mixed broad-leaf Korean pine forest in Changbai Mountain, China after 6 years of nitrogen addition (50 kg.ha(-2).yr(-1)) treatment, the content of organic carbon and nitrogen, stable isotopes of carbon and nitrogen in litter and soil layer were determined by elemental analyzer and isotope ratio mass spectrometer. Results : The results showed that the carbon concentration decreased with soil depth in the control and treatment samples. The nitrogen concentration had a tendency to increase in the decomposed litter layer. Nitrogen addition did not show significant effect on carbon and nitrogen concentration. The carbon stable isotope ((delta C-13) was about-27% in forest cover layer and organic matter layer, while it was as high as -25.3 parts per thousand in mineral soil layer. Nitrogen addition had no significant effect on the value of delta C-13. The range of nitrogen stable isotope (delta N-15) was -1.6 similar to 5.5%0, which increased with the depth of soil. delta N-15 value increased significantly (P = 0.039) in the decomposed litter layer under nitrogen addition. Interpretation : (delta N-15 enrichment implied that more N-15 was remaining under nitrogen addition. This indicated that nitrogen deposition enhanced the decomposition of organic matter implied by delta N-15 enrichment in the decomposed litter layer, although carbon content did not show significant change. This study provides a data support for further studies on the effects of nitrogen deposition on forest ecosystems.
KeywordCarbon stable isotope Changbai mountain Korean pine forest Nitrogen deposition Nitrogen stable isotope
Funding OrganizationNational Basic Research Program of China (973 Program) ; Doctoral Research Start Fund Project of Liaoning Province ; Department of Education Scientific Research General Project of Liaoning Province ; Scientific Research Project of Shenyang Jianzhu University ; US-China EcoPartnership for Environmental Sustainability
DOI10.22438/jeb/39/6/MRN-779
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Program of China (973 Program)[2011CB403200] ; Doctoral Research Start Fund Project of Liaoning Province[201501070] ; Department of Education Scientific Research General Project of Liaoning Province[L2015451] ; Scientific Research Project of Shenyang Jianzhu University[2017023] ; US-China EcoPartnership for Environmental Sustainability
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000454331000014
PublisherTRIVENI ENTERPRISES
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/130936
Collection中国科学院金属研究所
Corresponding AuthorWu, N.
Affiliation1.Shenyang Jianzhu Univ, Sch Municipal & Environm Engn, Shenyang 110168, Liaoning, Peoples R China
2.Chinese Acad Sci, Inst Appl Ecol, Shenyang, Liaoning, Peoples R China
3.China Energy Engn Corp Ltd, Liaoning Inst, Shenyang, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Wu, N.,Qian, H.,Tan, Y.,et al. Effect of nitrogen addition on carbon and nitrogen stable isotopes in temperate forest litter and soil[J]. JOURNAL OF ENVIRONMENTAL BIOLOGY,2018,39(6):1036-1040.
APA Wu, N.,Qian, H.,Tan, Y.,&Wang, Y..(2018).Effect of nitrogen addition on carbon and nitrogen stable isotopes in temperate forest litter and soil.JOURNAL OF ENVIRONMENTAL BIOLOGY,39(6),1036-1040.
MLA Wu, N.,et al."Effect of nitrogen addition on carbon and nitrogen stable isotopes in temperate forest litter and soil".JOURNAL OF ENVIRONMENTAL BIOLOGY 39.6(2018):1036-1040.
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