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The Latitudinal Patterns of Leaf and Soil C:N:P Stoichiometry in the Loess Plateau of China
Fang, Zhao1,2; Li, Dongdong1,2; Jiao, Feng1,3; Yao, Jing3; Dui, Haotian3
2019-03-18
Source PublicationFRONTIERS IN PLANT SCIENCE
ISSN1664-462X
Volume10Pages:12
Corresponding AuthorJiao, Feng(Jiaof@ms.iswc.ac.cn)
AbstractUnderstanding the spatial patterns and the driving factors of plant leaf and soil stoichiometry are critical for improving the parameterization of future ecological models and to predict the responses of ecosystems to environmental changes. This study aimed to determine how the latitudinal patterns of leaf and soil C:N:P stoichiometry are affected by climate and vegetation types in the dryland ecosystems. The concentrations of leaf C, N, and P in herb community as well as soil nutrient concentrations along a 500-km-long latitudinal gradient in Northern Shaanxi of the Loess Plateau, were measured. The results showed that the soil C, N, P and C:N:P ratios at all three depths (0-10, 10-20, and 20-40 cm) showed significant latitudinal trends (except for soil C:N ratios) (P < 0.01). In general, the soil C, N and C:N:P ratios decreased exponentially while soil P increased first and then decreased with the latitude. The soil C, N, C:P, and N:P ratios at all three depths (0-10, 10-20 and 20-40 cm) were positively correlated with MAT and MAP (P < 0.05), while soil P and C:N ratios at all three depths were weakly correlated with MAT and MAP (P > 0.05). In addition, leaf C:N:P stoichiometry was significantly correlated with the latitude, MAT, and MAP (except for N:P ratios) (P < 0.01), such that, leaf C, C:N, and C:P ratios decreased as the latitude increased and MAT and MAP decreased, and leaf N, P concentrations increased as the latitude increased and MAT and MAP decreased, while leaf N:P ratios were weakly correlated with the latitude, MAT, and MAP (P > 0.05). Furthermore, the leaf C:N:P stoichiometry of herbaceous communities was related to the soil properties (except for soil P), and we found that the C:P ratios between the soil and leaves were strongly correlated. Compared with the global scale, the relatively high N:P ratios indicated that the vegetation growth of the herb community in the dryland of the Loess Plateau was more susceptible to P limitation.
Keywordecological stoichiometry climatic factors herb community vegetation types leaves soil Loess Plateau
DOI10.3389/fpls.2019.00085
WOS KeywordECOLOGICAL STOICHIOMETRY ; ORGANIC-CARBON ; LAND-USE ; PHOSPHORUS STOICHIOMETRY ; GLOBAL PATTERNS ; NITROGEN ; TERRESTRIAL ; COMMUNITIES ; TEMPERATURE ; GENERALITY
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFA0600801] ; National Special Program on Basic Works for Science and Technology of China[2014FY210130]
Funding OrganizationNational Key Research and Development Program of China ; National Special Program on Basic Works for Science and Technology of China
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000461541500001
PublisherFRONTIERS MEDIA SA
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Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/49306
Collection中国科学院地理科学与资源研究所
Corresponding AuthorJiao, Feng
Affiliation1.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China
3.Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling, Peoples R China
Recommended Citation
GB/T 7714
Fang, Zhao,Li, Dongdong,Jiao, Feng,et al. The Latitudinal Patterns of Leaf and Soil C:N:P Stoichiometry in the Loess Plateau of China[J]. FRONTIERS IN PLANT SCIENCE,2019,10:12.
APA Fang, Zhao,Li, Dongdong,Jiao, Feng,Yao, Jing,&Dui, Haotian.(2019).The Latitudinal Patterns of Leaf and Soil C:N:P Stoichiometry in the Loess Plateau of China.FRONTIERS IN PLANT SCIENCE,10,12.
MLA Fang, Zhao,et al."The Latitudinal Patterns of Leaf and Soil C:N:P Stoichiometry in the Loess Plateau of China".FRONTIERS IN PLANT SCIENCE 10(2019):12.
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