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Altitudinal Gradient of Microbial Biomass Phosphorus and Its Relationship with Microbial Biomass Carbon, Nitrogen, and Rhizosphere Soil Phosphorus on the Eastern Slope of Gongga Mountain, SW China
Sun, Hongyang1,2; Wu, Yanhong1; Yu, Dong1; Zhou, Jun1
Corresponding AuthorWu, Yanhong
2013
Source PublicationPLOS ONE
ISSN1932-6203
Volume8Issue:9Pages:DOI:10.1371/journal.pone.0072952
SubtypeArticle
AbstractMicrobial biomass phosphorus (MBP) is one of the most active forms of phosphorus (P) in soils. MBP plays an important role in the biogeochemical P cycle. To explore MBP distribution and its relationship with other factors, the MBP and rhizosphere soil P concentrations and fractions in six vegetation zones on the eastern slope of Gongga Mountain in SW China were investigated. The MBP distribution followed a parabolic pattern with altitude and the concentration was highest in the subalpine dark coniferous forest (SDC) zone, which was approximately 3500 m above sea level (asl). Below 3500 m asl, the MBP distribution was controlled by precipitation and vegetation type. In addition, temperature, precipitation and vegetation type controlled the MBP distribution at elevations above 3500 m asl. No specific distribution pattern was determined regarding rhizosphere soil P fractions. However, MBP was significantly correlated with the unavailable P fraction in the rhizosphere rather than with the available P fraction. This result suggests that the relationships between the rhizosphere soil P fractions and the MBP depend on time. The microbial biomass element ratios were relatively consistent on the eastern slope of Gongga Mountain. However, variations in the microbial biomass element rations were observed in six of the vegetation zones. The mean C:N:P ratio was 9.0:1.3:1. Overall, vegetation type resulted in the observed fluctuations of the microbial biomass element ratio.
KeywordFilled Pore-space
WOS HeadingsScience & Technology
DOI10.1371/journal.pone.0072952
WOS Subject ExtendedScience & Technology - Other Topics
Indexed BySCI
WOS KeywordFILLED PORE-SPACE ; PHOSPHATE SOLUBILIZATION ; HEDLEY FRACTIONATION ; NORTHEASTERN BRAZIL ; ORGANIC PHOSPHORUS ; EXTRACTION METHOD ; GROWTH PROMOTION ; GRASSLAND SOIL ; CLEAR-CUT ; LAND-USE
Language英语
Quartile2区
TOP
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000324481600045
Funding OrganizationChinese Academy of Sciences(KZCX2-YW-BR-21) ; Chinese Nature Science Foundation(41272200)
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/8319
Collection山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, Chengdu Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu, Peoples R China
2.Chinese Acad Sci, Univ Chinese Acad Sci, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Sun, Hongyang,Wu, Yanhong,Yu, Dong,et al. Altitudinal Gradient of Microbial Biomass Phosphorus and Its Relationship with Microbial Biomass Carbon, Nitrogen, and Rhizosphere Soil Phosphorus on the Eastern Slope of Gongga Mountain, SW China[J]. PLOS ONE,2013,8(9):DOI:10.1371/journal.pone.0072952.
APA Sun, Hongyang,Wu, Yanhong,Yu, Dong,&Zhou, Jun.(2013).Altitudinal Gradient of Microbial Biomass Phosphorus and Its Relationship with Microbial Biomass Carbon, Nitrogen, and Rhizosphere Soil Phosphorus on the Eastern Slope of Gongga Mountain, SW China.PLOS ONE,8(9),DOI:10.1371/journal.pone.0072952.
MLA Sun, Hongyang,et al."Altitudinal Gradient of Microbial Biomass Phosphorus and Its Relationship with Microbial Biomass Carbon, Nitrogen, and Rhizosphere Soil Phosphorus on the Eastern Slope of Gongga Mountain, SW China".PLOS ONE 8.9(2013):DOI:10.1371/journal.pone.0072952.
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