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Age-related C:N:P stoichiometry in two plantation forests in the Loess Plateau of China
Chen, Lili1,2,3,4; Deng, Qiang1,2,3; Yuan, Zhiyou1,2; Mu, Xingmin1,2; Kallenbach, Robert L.5
2018-09-01
Source PublicationECOLOGICAL ENGINEERING
ISSN0925-8574
Volume120Pages:14-22
Corresponding AuthorYuan, Zhiyou(zyyuan@ms.iswc.ac.cn) ; Mu, Xingmin(xmmu@ms.iswc.ac.cn)
AbstractThe nutrient stoichiometry in fine roots plays an important role in terrestrial carbon (C) and nutrient cycling, but how it changes with stand age in forests is poorly understood. In this study, we investigated fine root C, nitrogen (N), and phosphorus (P) concentrations and age sequence ratios (10-, 25-, and 40-year stands) of Pinus tabulaeformis Carr. (evergreen) and Robinia pseudoacacia Linn. (deciduous) forests on the Loess Plateau, China. Fine root C, N, and N:P of R. pseudoacacia were 22, 23, and 32% greater in 40-year stands than in 10-year stands, respectively, but did not differ significantly in P. tabulaeformis stands of different ages. Fine root P and C:P of both tree species significantly differed with respect to stand age. Fine root C:P and N:P of R. pseudoacacia were lower in 10- and 25-year stands than in 40-year stands. The age-related patterns of C, N, and C:N in fine roots were similar to those in green leaves. Fine root N:P of R. pseudoacacia was positively related to soil N:P. Our results suggest that stand age (temporal factor) plays a key role in fine root C:N:P stoichiometry in temperate forests. Differences in fine root C:N:P stoichiometry between P. tabulaeformis and R. pseudoacacia suggest that the nutrient-use strategy in evergreen tree forests is more conservative than in deciduous tree forests as age increases.
KeywordEcological stoichiometry Fine roots Pinus tabulaeformis Robinia pseudoacacia Stand age
DOI10.1016/j.ecoleng.2018.05.021
WOS KeywordFINE-ROOT BIOMASS ; ROBINIA-PSEUDOACACIA L. ; N-P STOICHIOMETRY ; STAND DEVELOPMENT ; PHOSPHORUS STOICHIOMETRY ; NUTRIENT CONCENTRATIONS ; VERTICAL-DISTRIBUTION ; TERRESTRIAL PLANTS ; LEAF NITROGEN ; SOIL
Indexed BySCI
Language英语
Funding ProjectNational Natural Sciences Foundation of China[31570438] ; National Natural Sciences Foundation of China[31370455] ; Hundred Talents Program of Shaanxi Province ; Chinese Academy of Sciences ; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau[A314021403-C9]
Funding OrganizationNational Natural Sciences Foundation of China ; Hundred Talents Program of Shaanxi Province ; Chinese Academy of Sciences ; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau
WOS Research AreaEnvironmental Sciences & Ecology ; Engineering
WOS SubjectEcology ; Engineering, Environmental ; Environmental Sciences
WOS IDWOS:000444614500003
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/52958
Collection中国科学院地理科学与资源研究所
Corresponding AuthorYuan, Zhiyou; Mu, Xingmin
Affiliation1.Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Yuxi Normal Univ, Yuxi Res Ctr Ecoenvironm Sci Plateau Lakes, Yuxi 653100, Yunnan, Peoples R China
5.Univ Missouri, Div Plant Sci, 108 Waters Hall, Columbia, MO 65211 USA
Recommended Citation
GB/T 7714
Chen, Lili,Deng, Qiang,Yuan, Zhiyou,et al. Age-related C:N:P stoichiometry in two plantation forests in the Loess Plateau of China[J]. ECOLOGICAL ENGINEERING,2018,120:14-22.
APA Chen, Lili,Deng, Qiang,Yuan, Zhiyou,Mu, Xingmin,&Kallenbach, Robert L..(2018).Age-related C:N:P stoichiometry in two plantation forests in the Loess Plateau of China.ECOLOGICAL ENGINEERING,120,14-22.
MLA Chen, Lili,et al."Age-related C:N:P stoichiometry in two plantation forests in the Loess Plateau of China".ECOLOGICAL ENGINEERING 120(2018):14-22.
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