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No significant interactions between nitrogen stimulation and ozone inhibition of isoprene emission in Cathay poplar
Yuan, Xiangyang; Shang, Bo; Xu, Yansen; Xin, Yue; Tian, Yuan; Feng, Zhaozhong; Paoletti, Elena
2017-12-01
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
Volume601Issue:1Pages:222-229
AbstractIsoprene emission from plants subject to a combination of ozone (O-3) and nitrogen (N) has never been investigated. Cathay poplar (Populus cathayana) saplings were exposed to O-3 (CF, charcoal-filtered air, NF, non-filtered ambient air and E-O-3, non-filtered air + 40 ppb) and N treatments (N0, 0 kg N ha(-1) year-(1,) N50, 50 kg N ha(-1) year(-1) and N100, 100 kg N ha(-1) year-1) for 96 days. Increasing O-3 exposure decreased isoprene emission (11.5% in NF and 57.9% in E-O-3), as well as light-saturated photosynthetic rate (A(sat)) and chlorophyll content, while N load increased isoprene emission (19.6% in N50 and 33.4% in N100) as well as Asat and chlorophyll content. Although O-3 and N interacted significantly in Asat, N did not mitigate the negative effects of O3 on isoprene emission, i.e. the combined effects were additive and did not interact. These results warrant more research on the combined effects of co-existing global change factors on future isoprene emission and atmospheric chemical processes. (C) 2017 Elsevier B.V. All rights reserved.
Department城市与区域生态国家重点实验室
KeywordIsoprene Emission Tropospheric O-3 Nitrogen Deposition Photosynthesis Poplar
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/39063
Collection城市与区域生态国家重点实验室
Recommended Citation
GB/T 7714
Yuan, Xiangyang,Shang, Bo,Xu, Yansen,et al. No significant interactions between nitrogen stimulation and ozone inhibition of isoprene emission in Cathay poplar[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2017,601(1):222-229.
APA Yuan, Xiangyang.,Shang, Bo.,Xu, Yansen.,Xin, Yue.,Tian, Yuan.,...&Paoletti, Elena.(2017).No significant interactions between nitrogen stimulation and ozone inhibition of isoprene emission in Cathay poplar.SCIENCE OF THE TOTAL ENVIRONMENT,601(1),222-229.
MLA Yuan, Xiangyang,et al."No significant interactions between nitrogen stimulation and ozone inhibition of isoprene emission in Cathay poplar".SCIENCE OF THE TOTAL ENVIRONMENT 601.1(2017):222-229.
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