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C:N:P stoichiometry of rhizosphere soils differed significantly among overstory trees and understory shrubs in plantations in subtropical China
Dai, Xiaoqin1,2; Fu, Xiaoli1,2; Kou, Liang1,2; Wang, Huimin1,2,3; Shock, Clinton C.4
2018-11-01
Source PublicationCANADIAN JOURNAL OF FOREST RESEARCH
ISSN0045-5067
Volume48Issue:11Pages:1398-1405
Corresponding AuthorDai, Xiaoqin(daixq@igsnrr.ac.cn) ; Wang, Huimin(wanghm@igsnrr.ac.cn)
AbstractRhizosphere soil C:N:P stoichiometry is useful for identifying the linkage of plant species and soil nutrients, which can be particularly helpful for understory vegetation management of forest ecosystems. There has been limited research on rhizosphere soil stoichiometry, especially for co-existing overstory and understory plant species. We investigated the bulk and rhizosphere soil C:N:P stoichiometry of dominant overstory trees and understory shrubs (Adinandra millettii, Eurya muricata, and Loropetalum chinense) inPinus massoniana Lamb., Pinus elliottii Engelm., and Cunninghamia lanceolata (Lamb.) Hook. plantations in subtropical China. Rhizosphere soil C, N, and P concentrations and ratios increased significantly compared with bulk soil, and those of overstory trees were higher than those of understory shrubs with the exception of L. chinense. Rhizosphere soil C:N, C:P, and N:P of L. chinense were not significantly different with those of overstory trees but were higher than those of A. millettii and E. muricata. Soil pH significantly influenced the profiles produced by soil C, N, and P concentrations and their stoichiometries. This study indicated that the difference in nutrient status between overstory trees and understory shrubs was related to shrub species, in which soil pH was the dominant driving factor. Understory shrub species should be considered in plantation management to reduce resource competition among species.
Keywordbiogeochemical niche nutrient limitation pure coniferous forests plant species red soil
DOI10.1139/cjfr-2018-0095
WOS KeywordROOT-INDUCED CHANGES ; TEMPERATE FOREST ; LITTER DECOMPOSITION ; ORGANIC-ACIDS ; PLANT ; CARBON ; MYCORRHIZAL ; EXUDATION ; ACCUMULATION ; GROWTH
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2016YFD0600202] ; National Natural Science Foundation of China[31730014] ; National Natural Science Foundation of China[31670635]
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China
WOS Research AreaForestry
WOS SubjectForestry
WOS IDWOS:000448999100017
PublisherCANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/52631
Collection中国科学院地理科学与资源研究所
Corresponding AuthorDai, Xiaoqin; Wang, Huimin
Affiliation1.Chinese Acad Sci, Qianyanzhou Ecol Res Stn, Key Lab Ecosyst Network Observat & Modeling, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Jiangxi Key Lab Ecosyst Proc & Informat, Jian 343725, Jiangxi, Peoples R China
3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
4.Oregon State Univ, Malheur Expt Stn, Ontario, OR 97914 USA
Recommended Citation
GB/T 7714
Dai, Xiaoqin,Fu, Xiaoli,Kou, Liang,et al. C:N:P stoichiometry of rhizosphere soils differed significantly among overstory trees and understory shrubs in plantations in subtropical China[J]. CANADIAN JOURNAL OF FOREST RESEARCH,2018,48(11):1398-1405.
APA Dai, Xiaoqin,Fu, Xiaoli,Kou, Liang,Wang, Huimin,&Shock, Clinton C..(2018).C:N:P stoichiometry of rhizosphere soils differed significantly among overstory trees and understory shrubs in plantations in subtropical China.CANADIAN JOURNAL OF FOREST RESEARCH,48(11),1398-1405.
MLA Dai, Xiaoqin,et al."C:N:P stoichiometry of rhizosphere soils differed significantly among overstory trees and understory shrubs in plantations in subtropical China".CANADIAN JOURNAL OF FOREST RESEARCH 48.11(2018):1398-1405.
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