Effects of elevated CO2 on plant C-N-P stoichiometry in terrestrial ecosystems: A meta-analysis
Du, Chenjun1,2; Wang, Xiaodan1; Zhang, Mengyao1,2; Jing, Jie1,2; Gao, Yongheng1
第一作者单位Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, 610041, China ; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China
通讯作者单位Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, 610041, China
通讯作者Gao, Yongheng
2018
发表期刊Science of the Total Environment
ISSN0048-9697
EISSN1879-1026
卷号650页码:697-708
文章类型Article
摘要A substantial number of experiments have so far been carried out to study the response of the C-N-P stoichiometry of terrestrial plants to the rising CO2 level of the earth. However, there is a need of systematic evaluation for assessing the impact of the elevated CO2 on plant C-N-P stoichiometry. In the present investigation, a comprehensive meta-analysis involving 386 published reports and including 4481 observations has been carried out. The goal of the research was to determine the response of plants to their C-N-P stoichiometry due to elevated levels of global atmospheric CO2. The results showed that rising CO2 altered the concentration of C (+2.19%, P 0.05) in the plant was observed. However, plant leaf, shoot and herbaceous type of plants showed more sensitivity to rising CO2. CO2 magnitude exhibited a positive effect (P 2 acclimation” hypothesis as proposed by the authors of the current paper was also tested in the study. Results obtained, especially, show changes of C and N concentrations and C:P ratio to an obvious down-regulation for long-term CO2 fumigation. At spatial scales, a reduction of plant N concentration was found to be higher in the southern hemisphere. The CO2 enrichment methods affected the plant C-N-P stoichiometry. Compared to FACE (free-air CO2 enrichment), OTC (open top chamber) showed larger changes of C, N, P, and N:P. The results of the present study should, therefore, become helpful to offer a better understanding towards the response of the terrestrial plant C-N-P stoichiometry to an elevated global atmospheric CO2 in the future. © 2018 Elsevier B.V.
关键词CO2 acclimation Experiment condition Meta analysis Rising CO2 Spatial differences
DOI10.1016/j.scitotenv.2018.09.051
收录类别EI
语种英语
EI入藏号Accession number:20183705805115
引用统计
文献类型期刊论文
条目标识符http://ir.imde.ac.cn/handle/131551/23897
专题山地表生过程与生态调控重点实验室
作者单位1.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu; 610041, China;
2.College of Resources and Environment, University of Chinese Academy of Sciences, Beijing; 100049, China
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GB/T 7714
Du, Chenjun,Wang, Xiaodan,Zhang, Mengyao,et al. Effects of elevated CO2 on plant C-N-P stoichiometry in terrestrial ecosystems: A meta-analysis[J]. Science of the Total Environment,2018,650:697-708.
APA Du, Chenjun,Wang, Xiaodan,Zhang, Mengyao,Jing, Jie,&Gao, Yongheng.(2018).Effects of elevated CO2 on plant C-N-P stoichiometry in terrestrial ecosystems: A meta-analysis.Science of the Total Environment,650,697-708.
MLA Du, Chenjun,et al."Effects of elevated CO2 on plant C-N-P stoichiometry in terrestrial ecosystems: A meta-analysis".Science of the Total Environment 650(2018):697-708.
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