IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Rapid loss of phosphorus during early pedogenesis along a glacier retreat choronosequence, Gongga Mountain (SW China)
Wu, Yanhong1; Zhou, Jun1; Bing, Haijian1; Sun, Hongyang1; Wang, Jipeng1,2
Corresponding AuthorYanhong Wu
2015
Source PublicationPEERJ
ISSN2167-8359
Volume3Pages:e1377
SubtypeArticle
AbstractThe loss of phosphorus (P) during the early pedogenesis stage is important at the ecosystem level, and it also plays an important role in the global P cycle. The seasonal variation of total P (Pt) and its fractions along a young soil chronosequence (Hailuogou chronosequence) on the eastern slope of Gongga Mountain, SW China, was investigated based on the modified Hedley fractionation technique to understand P loss during the early pedogenesis stage. The results showed that the mineral P (mainly apatite) was the dominant fraction of Pt in the C horizon of the soil, and the seasonal difference in Pt and its fractions was insignificant. In the A horizon, Pt concentrations decreased markedly compared with those in the C horizon, and as the age of the soil increased, the inorganic P (Pi) significantly decreased and the organic P (Po) prominently increased. Seasonally, the P fractions exhibited various distributions in the A horizon. The variation of Pt and its fractions revealed that the P loss was rapid along the 120-year soil chronosequence. The P stocks in soils (0-30 cm) started to decrease at the 52 year site. And the P stock depletion reached almost 17.6% at the 120-year site. The loss of P from the soil of the Hailuogou chronosequence was mainly attributed to weathering, plant uptake, and transport by runoff. About 36% P loss was transported into plant biomass P at the 120 year site. The data obtained indicated that the glacier retreat chronosequence could be used to elucidate the fast rate of P loss during the early pedogenic stage.
Keywordp Loss Phosphorus Fractions Pedogenesis Hailuogou Choronosequence Gongga Mountain
WOS HeadingsScience & Technology
DOI10.7717/peerj.1377
WOS Subject ExtendedScience & Technology - Other Topics
Indexed BySCI
WOS KeywordSOIL-PHOSPHORUS ; ECOSYSTEM DEVELOPMENT ; HAILUOGOU GLACIER ; CHRONOSEQUENCE ; LIMITATION ; NITROGEN ; FOREST ; TRANSFORMATIONS ; FRACTIONATION ; SPECIATION
Language英语
Quartile4区
TOP
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000365802800009
Funding OrganizationNational Natural Science Foundation of China(41272200)
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/13927
Collection山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, Key Lab Mt Surface Proc & Ecol Regulat, Inst Mt Hazards & Environm, Chengdu, Peoples R China
2.Chinese Acad Sci, Univ Chinese Acad Sci, Beijing, 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
Wu, Yanhong,Zhou, Jun,Bing, Haijian,et al. Rapid loss of phosphorus during early pedogenesis along a glacier retreat choronosequence, Gongga Mountain (SW China)[J]. PEERJ,2015,3:e1377.
APA Wu, Yanhong,Zhou, Jun,Bing, Haijian,Sun, Hongyang,&Wang, Jipeng.(2015).Rapid loss of phosphorus during early pedogenesis along a glacier retreat choronosequence, Gongga Mountain (SW China).PEERJ,3,e1377.
MLA Wu, Yanhong,et al."Rapid loss of phosphorus during early pedogenesis along a glacier retreat choronosequence, Gongga Mountain (SW China)".PEERJ 3(2015):e1377.
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