IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Altitudinal Change in Distribution of Soil Carbon and Nitrogen in Tibetan Montane Forests
Chang, Ruiying; Wang, Genxu; Fei, Ran; Yang, Yang; Luo, Ji; Fan, Jianrong
Corresponding AuthorWang, Genxu
2015
Source PublicationSOIL SCIENCE SOCIETY OF AMERICA JOURNAL
ISSN0361-5995
EISSN1435-0661
Volume79Issue:5Pages:1455-1469
SubtypeArticle
AbstractKnowledge of vertical patterns of soil organic C (SOC) and soil total N (STN) can improve our understanding of the dynamics of SOC and STN along a profile and the potential response of SOC and STN to climate change. However, such knowledge is limited. In this study, three common Tibetan forest types, dominated by Abies, Pinus, and Picea species, were sampled across a large altitude gradient (1700-4300 m asl). Vertical depths of SOC and STN in these forests were determined, and their changes with altitude, aspect, and gradient and the associated regulating factors were analyzed using structural equation modeling (SEM). Species shift along the altitude gradient has a significant effect on SOC and STN depth patterns, partly inducing the lack of a trend in SOC and STN vertical distributions across the entire altitude range. For an individual genus, the SEM model demonstrated species-dependent altitudinal changes in patterns that were shallower with increased altitude for Abies and Pinus, but no change was detected for Picea. Greater altitudinal increases in SOC and STN stocks in the topsoil relative to the deeper layer were correlated with increased depths for Abies and Pinus. Eastern and southern aspects had a greater proportion of topsoil SOC and STN than western and northern aspects for Abies and Pinus. Gradient had a limited effect on SOC and STN vertical distribution across the three genera. Our results indicate a significant change in SOC and STN depth patterns associated with species change and the topographic effects on these vertical patterns.
KeywordFine-root Biomass Organic-carbon Vertical-distribution Site Characteristics Depth Distribution Land-use China Storage Vegetation Mountains
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.2136/sssaj2015.02.0055
WOS Subject ExtendedAgriculture
Indexed BySCI
WOS KeywordFINE-ROOT BIOMASS ; ORGANIC-CARBON ; VERTICAL-DISTRIBUTION ; SITE CHARACTERISTICS ; DEPTH DISTRIBUTION ; LAND-USE ; CHINA ; STORAGE ; VEGETATION ; MOUNTAINS
Language英语
Quartile2区
TOP
WOS SubjectSoil Science
WOS IDWOS:000365399100019
Funding Organization"Strategic Priority Research Program" of the Chinese Academy of Sciences(XDA01020304) ; CAS/SAFEA International Partnership Program for Creative Research Teams(KZZD-EW-TZ-06) ; Natural Science Foundation of China(41301219)
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/13940
Collection山地表生过程与生态调控重点实验室
数字山地与遥感应用中心
AffiliationChinese Acad Sci, Key Lab Mt Environm Evolvement & Regulat, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Chang, Ruiying,Wang, Genxu,Fei, Ran,et al. Altitudinal Change in Distribution of Soil Carbon and Nitrogen in Tibetan Montane Forests[J]. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL,2015,79(5):1455-1469.
APA Chang, Ruiying,Wang, Genxu,Fei, Ran,Yang, Yang,Luo, Ji,&Fan, Jianrong.(2015).Altitudinal Change in Distribution of Soil Carbon and Nitrogen in Tibetan Montane Forests.SOIL SCIENCE SOCIETY OF AMERICA JOURNAL,79(5),1455-1469.
MLA Chang, Ruiying,et al."Altitudinal Change in Distribution of Soil Carbon and Nitrogen in Tibetan Montane Forests".SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 79.5(2015):1455-1469.
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