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Elevated CO2 Ameliorated the Adverse Effect of Elevated O3 in Previous-Year and Current-Year Needles of Pinus tabulaeformis in Urban Area.(Report)

Byline: Sheng Xu (1), Xingyuan He (1,2), Wei Chen (1), Daoyan Su (1), Yanqing Huang (1) Keywords: Elevated CO.sub.2; Elevated O.sub.3; Needle age; Oxidative stress; Pinus tabulaeformis Abstract: The effects of elevated CO.sub.2 (700 ppm) and/or elevated O.sub.3 (80 ppb) on different-age needles of P... Full description

Journal Title: Bulletin of Environmental Contamination and Toxicology June, 2014, Vol.92(6), p.733(5)
Main Author: Xu, Sheng
Other Authors: He, Xingyuan , Chen, Wei , Su, Daoyan , Huang, Yanqing
Format: Electronic Article Electronic Article
Language: English
Subjects:
Quelle: Cengage Learning, Inc.
ID: ISSN: 0007-4861
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recordid: gale_hrca367272447
title: Elevated CO2 Ameliorated the Adverse Effect of Elevated O3 in Previous-Year and Current-Year Needles of Pinus tabulaeformis in Urban Area.(Report)
format: Article
creator:
  • Xu, Sheng
  • He, Xingyuan
  • Chen, Wei
  • Su, Daoyan
  • Huang, Yanqing
subjects:
  • Soil Ecology
  • Hydrogen Peroxide
  • Photosynthesis
ispartof: Bulletin of Environmental Contamination and Toxicology, June, 2014, Vol.92(6), p.733(5)
description: Byline: Sheng Xu (1), Xingyuan He (1,2), Wei Chen (1), Daoyan Su (1), Yanqing Huang (1) Keywords: Elevated CO.sub.2; Elevated O.sub.3; Needle age; Oxidative stress; Pinus tabulaeformis Abstract: The effects of elevated CO.sub.2 (700 ppm) and/or elevated O.sub.3 (80 ppb) on different-age needles of Pinus tabulaeformis were studied in open top chambers. Elevated CO.sub.2 increased needle dry weight, net photosynthetic rate, and maximum quantum yield of photosystem II in previous and current-year needles. Elevated O.sub.3 significantly decreased dry weight, net photosynthetic rate, and maximum quantum yield of photosystem II only in previous-year needles. Elevated O.sub.3 increased hydrogen and malondialdehyde content in previous-year needles, but did not significantly increase hydrogen peroxide content in current-year needles, which indicated that oxidative stress induced by elevated O.sub.3 was more severe in previous-year needles than in current-year needles. Our results showed that the adverse effect of elevated O.sub.3 in needles of P. tabulaeformis was ameliorated by elevated CO.sub.2. Author Affiliation: (1) State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, People's Republic of China (2) Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, 130012, People's Republic of China Article History: Registration Date: 01/03/2014 Received Date: 10/05/2013 Accepted Date: 01/03/2014 Online Date: 11/03/2014
language: English
source: Cengage Learning, Inc.
identifier: ISSN: 0007-4861
fulltext: fulltext
issn:
  • 0007-4861
  • 00074861
url: Link


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titleElevated CO2 Ameliorated the Adverse Effect of Elevated O3 in Previous-Year and Current-Year Needles of Pinus tabulaeformis in Urban Area.(Report)
creatorXu, Sheng ; He, Xingyuan ; Chen, Wei ; Su, Daoyan ; Huang, Yanqing
ispartofBulletin of Environmental Contamination and Toxicology, June, 2014, Vol.92(6), p.733(5)
identifierISSN: 0007-4861
subjectSoil Ecology ; Hydrogen Peroxide ; Photosynthesis
descriptionByline: Sheng Xu (1), Xingyuan He (1,2), Wei Chen (1), Daoyan Su (1), Yanqing Huang (1) Keywords: Elevated CO.sub.2; Elevated O.sub.3; Needle age; Oxidative stress; Pinus tabulaeformis Abstract: The effects of elevated CO.sub.2 (700 ppm) and/or elevated O.sub.3 (80 ppb) on different-age needles of Pinus tabulaeformis were studied in open top chambers. Elevated CO.sub.2 increased needle dry weight, net photosynthetic rate, and maximum quantum yield of photosystem II in previous and current-year needles. Elevated O.sub.3 significantly decreased dry weight, net photosynthetic rate, and maximum quantum yield of photosystem II only in previous-year needles. Elevated O.sub.3 increased hydrogen and malondialdehyde content in previous-year needles, but did not significantly increase hydrogen peroxide content in current-year needles, which indicated that oxidative stress induced by elevated O.sub.3 was more severe in previous-year needles than in current-year needles. Our results showed that the adverse effect of elevated O.sub.3 in needles of P. tabulaeformis was ameliorated by elevated CO.sub.2. Author Affiliation: (1) State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, People's Republic of China (2) Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, 130012, People's Republic of China Article History: Registration Date: 01/03/2014 Received Date: 10/05/2013 Accepted Date: 01/03/2014 Online Date: 11/03/2014
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descriptionByline: Sheng Xu (1), Xingyuan He (1,2), Wei Chen (1), Daoyan Su (1), Yanqing Huang (1) Keywords: Elevated CO.sub.2; Elevated O.sub.3; Needle age; Oxidative stress; Pinus tabulaeformis Abstract: The effects of elevated CO.sub.2 (700 ppm) and/or elevated O.sub.3 (80 ppb) on different-age needles of Pinus tabulaeformis were studied in open top chambers. Elevated CO.sub.2 increased needle dry weight, net photosynthetic rate, and maximum quantum yield of photosystem II in previous and current-year needles. Elevated O.sub.3 significantly decreased dry weight, net photosynthetic rate, and maximum quantum yield of photosystem II only in previous-year needles. Elevated O.sub.3 increased hydrogen and malondialdehyde content in previous-year needles, but did not significantly increase hydrogen peroxide content in current-year needles, which indicated that oxidative stress induced by elevated O.sub.3 was more severe in previous-year needles than in current-year needles. Our results showed that the adverse effect of elevated O.sub.3 in needles of P. tabulaeformis was ameliorated by elevated CO.sub.2. Author Affiliation: (1) State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, People's Republic of China (2) Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, 130012, People's Republic of China Article History: Registration Date: 01/03/2014 Received Date: 10/05/2013 Accepted Date: 01/03/2014 Online Date: 11/03/2014
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abstractByline: Sheng Xu (1), Xingyuan He (1,2), Wei Chen (1), Daoyan Su (1), Yanqing Huang (1) Keywords: Elevated CO.sub.2; Elevated O.sub.3; Needle age; Oxidative stress; Pinus tabulaeformis Abstract: The effects of elevated CO.sub.2 (700 ppm) and/or elevated O.sub.3 (80 ppb) on different-age needles of Pinus tabulaeformis were studied in open top chambers. Elevated CO.sub.2 increased needle dry weight, net photosynthetic rate, and maximum quantum yield of photosystem II in previous and current-year needles. Elevated O.sub.3 significantly decreased dry weight, net photosynthetic rate, and maximum quantum yield of photosystem II only in previous-year needles. Elevated O.sub.3 increased hydrogen and malondialdehyde content in previous-year needles, but did not significantly increase hydrogen peroxide content in current-year needles, which indicated that oxidative stress induced by elevated O.sub.3 was more severe in previous-year needles than in current-year needles. Our results showed that the adverse effect of elevated O.sub.3 in needles of P. tabulaeformis was ameliorated by elevated CO.sub.2. Author Affiliation: (1) State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, People's Republic of China (2) Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, 130012, People's Republic of China Article History: Registration Date: 01/03/2014 Received Date: 10/05/2013 Accepted Date: 01/03/2014 Online Date: 11/03/2014
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