Elevated CO2 concentrations affect the growth patterns of dominant C-3 and C-4 shrub species differently in the Mu Us Sandy Land of Inner Mongolia

doi:10.1002/ece3.3214

	Elevated CO2 concentrations affect the growth patterns of dominant C-3 and C-4 shrub species differently in the Mu Us Sandy Land of Inner Mongolia
	Li, Qiaoyan 1; Lai, Liming ; Du, Hui ; Cai, Wentao ; Guan, Tianyu 1; Zhang, Xiaolong 1; Jiang, Lianhe ; Zheng, Yuanrun; Yu, Yi 2; Gao, Yong 3; An, Ping 4; Shimizu, Hideyuki 2
	2017
发表期刊	BOTANY
ISSN	1916-2790
卷号	95 期号:9 页码:869-877
摘要	Elevated CO2 levels can improve growth and water use efficiency (WUE). However, the influence of atmospheric CO2 concentrations higher than 800 ppm has been less of a concern and has received little attention. In this study, experiments were conducted to explore the responses of four species to elevated CO2 levels. Seedlings of the four species were grown in growth chambers under four different CO2 concentrations. The results showed that elevated CO2 levels resulted in increased net assimilation rates (NARs) (12%-90%) and WUEs (1%-258%) as well as decreased leaf area ratios (LARs) (11%-72%) for the four species. For the two Artemisia species (Artemisia sphaerocephala Krasch. and Artemisia ordosica Krasch.), elevated CO2 significantly increased the relative growth rate (RGRs) (4%-8%) and total biomass increment (19%-44%), while elevated CO2 concentrations resulted in decreased RGRs (2%-20%) and transpiration rates (49%-61%) for Hedysarum laeve Maxim., and increased the height increment (7%-96%) of Caragana korshinskii Kom. The differences among the two Artemisia species (C-4 species), and C. korshinskii and H. laeve (C-3 species) might be associated with their different photosynthetic pathways. These findings suggest that the two Artemisia species had a stronger ability to adapt to CO2 concentration elevation. Considering its high WUE, C. korshinskii should be applied for vegetation restoration in water-limited areas affected by a warming climate.
关键词	elevated CO2 Artemisia sphaerocephala Artemisia ordosica Hedysarum laeve Caragana korshinskii
学科领域	Environmental Sciences & Ecology ; Evolutionary Biology
DOI	10.1002/ece3.3214
收录类别	SCI
语种	英语
WOS关键词	WATER-USE EFFICIENCY ; NET ASSIMILATION RATE ; INCREASING ATMOSPHERIC CO2 ; LEAF-AREA RATIO ; CARBON-DIOXIDE ; GAS-EXCHANGE ; GRASSLAND RESPONSES ; PLANTS ; PRODUCTIVITY ; TEMPERATURE
WOS记录号	WOS:000409528000020
出版者	CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS
文献子类	Article
出版地	OTTAWA
EISSN	1916-2804
资助机构	National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41330749, 41401105]
作者邮箱	zhengyr@ibcas.ac.cn
作品OA属性	Green Published, gold
引用统计	被引频次：2[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/22245
专题	中科院北方资源植物重点实验室
作者单位	1.Chinese Acad Sci, Inst Bot, West China Subalpine Bot Garden, Key Lab Resource Plants, Beijing 100093, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Natl Inst Environm Studies, Tsukuba, Ibaraki 3058506, Japan 4.Inner Mongolia Agr Univ, Hohhot 010018, Peoples R China 5.Tottori Univ, Arid Land Res Ctr, 1390 Hamasaka, Tottori 6800001, Japan
推荐引用方式 GB/T 7714	Li, Qiaoyan,Lai, Liming,Du, Hui,et al. Elevated CO2 concentrations affect the growth patterns of dominant C-3 and C-4 shrub species differently in the Mu Us Sandy Land of Inner Mongolia[J]. BOTANY,2017,95(9):869-877.
APA	Li, Qiaoyan.,Lai, Liming.,Du, Hui.,Cai, Wentao.,Guan, Tianyu.,...&Shimizu, Hideyuki.(2017).Elevated CO2 concentrations affect the growth patterns of dominant C-3 and C-4 shrub species differently in the Mu Us Sandy Land of Inner Mongolia.BOTANY,95(9),869-877.
MLA	Li, Qiaoyan,et al."Elevated CO2 concentrations affect the growth patterns of dominant C-3 and C-4 shrub species differently in the Mu Us Sandy Land of Inner Mongolia".BOTANY 95.9(2017):869-877.

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