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Patterns and controlling factors of plant nitrogen and phosphorus stoichiometry across China's forests
Liu, Juxiu; Fang, Xiong1; Tang, Xuli; Wang, Wantong2; Zhou, Guoyi; Xu, Shan; Huang, Wenjuan; Wang, Gengxu3; Yan, Junhua; Ma, Keping4; Du, Sheng5; Li, Shenggong6; Han, Shijie7; Ma, Youxin8
AbstractPlant stoichiometry is critical for the structure and functions of ecosystems. Previous studies on large-scale patterns of plant stoichiometry have focused on single tissues; and the controlling factors have focused on climatic factors or plant functional groups. Here we present results based on an intensive field investigation across China's forest ecosystems, to comprehensively assess the effect of climatic factors, plant functional groups, soil N and P stoichiometry on N and P stoichiometry of different tree tissues. The P concentrations in all tissues were significantly lower when mean annual temperature (MAT) and mean annual precipitation (MAP) were higher, and the N:P ratios in all tissues were significantly higher when MAT and MAP were higher. The N concentrations of branches and trunks were negatively related to MAT and MAP, however, the leaf N concentrations did not change with MAT and MAP. The root N also did not change with MAT, but decreased significantly with MAP. Soil total N had little influence on tree N, however, tree tissue P concentrations significantly increased when soil P increased. The N contents of all tissues were mainly affected by plant functional groups, however, climate factors and soil P content were the main predictors of P and N:P ratios of all tissues. Our results suggest that tree tissue N:P ratios were largely related to climatic factors, and were shaped by soil P rather than soil N in China's forest ecosystems.
KeywordN and P stoichiometry Climate Functional group Soil Forest ecosystem China
Subject AreaEnvironmental Sciences ; Geosciences, Multidisciplinary
Indexed BySCI
WOS Research AreaEnvironmental Sciences & Ecology ; Geology
WOS IDWOS:000463640800003
Publication PlaceDORDRECHT
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDA05050000] ; National Natural Science Foundations of ChinaNational Natural Science Foundation of China (NSFC) [41430529, 31570482]
Corresponding Author Emailgyzhou@scib.ac.cn
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Key Lab Vegetat Restorat & Management Degraded Ec, South China Bot Garden, Xingke Rd 723, Guangzhou 510650, Guangdong, Peoples R China
2.Fujian Agr & Forestry Univ, Fujian Prov Key Lab Soil Environm Hlth & Regulat, Coll Resources & Environm, Fuzhou 350002, Peoples R China
3.Henan Normal Univ, Coll Tourism, Xinxiang 453007, Peoples R China
4.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
5.Chinese Acad Sci, Inst Bot, Beijing 100093, Peoples R China
6.Chinese Acad Sci, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
7.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
8.Chinese Acad Sci, Inst Appl Ecol, Shenyang 110016, Liaoning, Peoples R China
9.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Mengla 666303, Peoples R China
Recommended Citation
GB/T 7714
Liu, Juxiu,Fang, Xiong,Tang, Xuli,et al. Patterns and controlling factors of plant nitrogen and phosphorus stoichiometry across China's forests[J]. BIOGEOCHEMISTRY,2019,143(2):191-205.
APA Liu, Juxiu.,Fang, Xiong.,Tang, Xuli.,Wang, Wantong.,Zhou, Guoyi.,...&Ma, Youxin.(2019).Patterns and controlling factors of plant nitrogen and phosphorus stoichiometry across China's forests.BIOGEOCHEMISTRY,143(2),191-205.
MLA Liu, Juxiu,et al."Patterns and controlling factors of plant nitrogen and phosphorus stoichiometry across China's forests".BIOGEOCHEMISTRY 143.2(2019):191-205.
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