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Effects of litter manipulation on soil respiration under short-term nitrogen addition in a subtropical evergreen forest
Gao, Qiang1,2; Bai, Edith3,4; Wang, Jinsong5; Zheng, Zemei1,2; Xia, Jianyang1,2; You, Wenhui1,2
2018-12-01
Source PublicationFOREST ECOLOGY AND MANAGEMENT
ISSN0378-1127
Volume429Pages:77-83
Corresponding AuthorXia, Jianyang(jyxia@des.ecnu.edu.cn) ; You, Wenhui(youwh@yjsy.ecnu.edu.cn)
AbstractNitrogen (N) availability is rapidly increasing in subtropical ecosystems, where litterfall is also accelerating and may substantially affect belowground carbon (C) storage and soil respiration (R-s). This study aims to detect how litter inputs affect R-s under N addition in a subtropical forest. We conducted a two-factor experiment (N addition and litter manipulation) in a subtropical Schima superba evergreen broad-leaved forest in eastern China. Three levels of N addition included low-N (50 kg N ha(-1) yr(-1)), high-N (100 kg N ha(-1) yr(-1)) and ambient N (0 kg N ha(-1) yr(-1)), and three levels of litter manipulation consisting of litter removal (NL), litter addition (DL) and Control litter input were conducted. Our results showed NL decreased R-s by 41% and 38% under low- and high-N additions, respectively, compared to Control litter input. DL decreased R-s by 24% compared to Control litter input under high-N addition. Furthermore, low- and high-N additions decreased the effect size of NL on R-s, whereas high-N addition decreased the effect size of DL on R-s in the study period, in both rainy and dry seasons. The effect of litter input alteration on R-s under N addition decreased, compared to R-s in Control litter input under N addition. Thus, the increase in R-s under N addition was alleviated, suggesting that soil organic C sequestration may benefit from increasing N deposition in the future. Further study is needed to clarify the effects of litter input alteration on R-s and soil C cycling under long-term N addition in subtropical forests.
KeywordNitrogen deposition Litter alteration Subtropical forest Carbon sequestration
DOI10.1016/j.foreco.2018.06.037
WOS KeywordBROAD-LEAVED FOREST ; ORGANIC-MATTER ; ATMOSPHERIC CO2 ; TROPICAL FOREST ; CARBON DECOMPOSITION ; MICROBIAL BIOMASS ; PLANT DIVERSITY ; CLIMATE-CHANGE ; EASTERN CHINA ; BOREAL FOREST
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[31000231] ; National Natural Science Foundation of China[31722009] ; National Natural Science Foundation of China[31600343] ; Thousand Young Talents Program in China
Funding OrganizationNational Natural Science Foundation of China ; Thousand Young Talents Program in China
WOS Research AreaForestry
WOS SubjectForestry
WOS IDWOS:000447103700009
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/52754
Collection中国科学院地理科学与资源研究所
Corresponding AuthorXia, Jianyang; You, Wenhui
Affiliation1.East China Normal Univ, Sch Ecol & Environm Sci, 500 Dongchuan Rd, Shanghai 200241, Peoples R China
2.Chinese Natl Ecosyst Observ & Res Network, Tiantong Natl Stn Forest Ecosyst, Ningbo 315114, Zhejiang, Peoples R China
3.Chinese Acad Sci, Inst Appl Ecol, Key Lab Forest & Management, Shenyang 110016, Liaoning, Peoples R China
4.Northeast Normal Univ, Sch Geog Sci, Changchun 130024, Jilin, Peoples R China
5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observ & Modeling, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Gao, Qiang,Bai, Edith,Wang, Jinsong,et al. Effects of litter manipulation on soil respiration under short-term nitrogen addition in a subtropical evergreen forest[J]. FOREST ECOLOGY AND MANAGEMENT,2018,429:77-83.
APA Gao, Qiang,Bai, Edith,Wang, Jinsong,Zheng, Zemei,Xia, Jianyang,&You, Wenhui.(2018).Effects of litter manipulation on soil respiration under short-term nitrogen addition in a subtropical evergreen forest.FOREST ECOLOGY AND MANAGEMENT,429,77-83.
MLA Gao, Qiang,et al."Effects of litter manipulation on soil respiration under short-term nitrogen addition in a subtropical evergreen forest".FOREST ECOLOGY AND MANAGEMENT 429(2018):77-83.
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