Soil high Cd exacerbates the adverse impact of elevated O-3 on Populus alba 'Berolinensis' L

doi:10.1016/j.ecoenv.2019.02.057

	Soil high Cd exacerbates the adverse impact of elevated O-3 on Populus alba 'Berolinensis' L
	Xu, Sheng 1; Li, Bo 1; Li, Pin 2; He, Xingyuan 1; Chen, Wei 1; Yan, Kun 3; Li, Yan 1; Wang, Yijing 1
刊名	ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
	2019-06-15
卷号	174 页码:35-42
关键词	Cadmium stress Cd accumulation O-3 pollution Physiological response Populus alba 'Berolinensis'
ISSN号	0147-6513
DOI	10.1016/j.ecoenv.2019.02.057
英文摘要	Pollution with both heavy metal and ground-level ozone (O-3) has been steadily increasing, especially in the cities with heavy industry. Little information is known about their combined impacts on urban tree. This study was aimed at characterizing the interactive effects of soil cadmium (Cd) addition and O-3 fumigation on visible injury and growth, photosynthesis, oxidative stress, antioxidant enzyme activities, abscisic acid (ABA) content and bioaccumulation of Cd in one-year-old Populus alba 'Berolinensis' saplings by using open top chambers in Shenyang city with developed heavy industry, Northeast China. In this study, poplar saplings were grown in the pots containing soil with different concentrations of Cd (0, 100 and 500 mg kg(-1)) under ambient air (40 mu g L-1) and elevated O-3 (120 mu g L-1). The results showed that EO and its combination with high Cd (500 mg kg(-1)) induced significant foliar injury symptoms, decreased root weight (by 41.6%) and total biomass (by 17.4%), inhibited net photosynthetic rate and stomatal conductance, and increased malondialdehyde and ABA contents after 4 weeks of O-3 exposure. Elevated O-3 exacerbated the accumulation of Cd in leaves and stems of poplar plants grown in the pots with high Cd-polluted soil. Our results also indicated that high Cd pollution in soil increased the susceptibility of plants to O-3 and exacerbated the adverse impact of elevated O-3 on physiological metabolisms of poplar species, which implied that it was very necessary to take into consideration for O-3 tolerance of tree species during phytoremediation of Cd-polluted soil in heavy industrial areas.
资助项目	National Natural Science Foundation of China[41675153] ; National Natural Science Foundation of China[31870458] ; National Natural Science Foundation of China[31670412] ; National Natural Science Foundation of China[31270518] ; National Natural Science Foundation of China[31170573] ; National Natural Science Foundation of China[90411019]
WOS研究方向	Environmental Sciences & Ecology ; Toxicology
语种	英语
出版者	ACADEMIC PRESS INC ELSEVIER SCIENCE
WOS记录号	WOS:000463465600004
内容类型	期刊论文
源URL	[http://210.72.129.5/handle/321005/124043]
专题	中国科学院沈阳应用生态研究所
通讯作者	He, Xingyuan
作者单位	1.Chinese Acad Sci, Inst Appl Ecol, Key Lab Forest Ecol & Management, Shenyang 110016, Liaoning, Peoples R China 2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China 3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
推荐引用方式 GB/T 7714	Xu, Sheng,Li, Bo,Li, Pin,et al. Soil high Cd exacerbates the adverse impact of elevated O-3 on Populus alba 'Berolinensis' L[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2019,174:35-42.
APA	Xu, Sheng.,Li, Bo.,Li, Pin.,He, Xingyuan.,Chen, Wei.,...&Wang, Yijing.(2019).Soil high Cd exacerbates the adverse impact of elevated O-3 on Populus alba 'Berolinensis' L.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,174,35-42.
MLA	Xu, Sheng,et al."Soil high Cd exacerbates the adverse impact of elevated O-3 on Populus alba 'Berolinensis' L".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 174(2019):35-42.