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Effects of Elevated Ozone on Photosynthetic CO 2 Exchange and Chlorophyll a Fluorescence in Leaves of Quercus mongolica Grown in Urban Area

The aim of this study was to determine the responses of photosynthesis in leaves of Quercus mongolica to elevated O 3 exposure in an urban area. The results showed that the photosynthesis parameters were all decreased by the elevated O 3 during the whole season. Especially, light-saturated net photo... Full description

Journal Title: Bulletin of Environmental Contamination and Toxicology 2009, Vol.82(4), pp.478-481
Main Author: Wang, Lanlan
Other Authors: He, Xingyuan , Chen, Wei
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0007-4861 ; E-ISSN: 1432-0800 ; DOI: 10.1007/s00128-008-9606-3
Link: http://dx.doi.org/10.1007/s00128-008-9606-3
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recordid: springer_jour10.1007/s00128-008-9606-3
title: Effects of Elevated Ozone on Photosynthetic CO 2 Exchange and Chlorophyll a Fluorescence in Leaves of Quercus mongolica Grown in Urban Area
format: Article
creator:
  • Wang, Lanlan
  • He, Xingyuan
  • Chen, Wei
subjects:
  • Elevated O
  • Photosynthetic CO exchange
  • Chlorophyll fluorescence
  • Leaf growth
ispartof: Bulletin of Environmental Contamination and Toxicology, 2009, Vol.82(4), pp.478-481
description: The aim of this study was to determine the responses of photosynthesis in leaves of Quercus mongolica to elevated O 3 exposure in an urban area. The results showed that the photosynthesis parameters were all decreased by the elevated O 3 during the whole season. Especially, light-saturated net photosynthetic rate (A) was reduced about 72% after 45 days exposure, and over the whole growing season, the differences were significant ( p  
language: eng
source:
identifier: ISSN: 0007-4861 ; E-ISSN: 1432-0800 ; DOI: 10.1007/s00128-008-9606-3
fulltext: fulltext
issn:
  • 1432-0800
  • 14320800
  • 0007-4861
  • 00074861
url: Link


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titleEffects of Elevated Ozone on Photosynthetic CO 2 Exchange and Chlorophyll a Fluorescence in Leaves of Quercus mongolica Grown in Urban Area
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subjectElevated O ; Photosynthetic CO exchange ; Chlorophyll fluorescence ; Leaf growth
descriptionThe aim of this study was to determine the responses of photosynthesis in leaves of Quercus mongolica to elevated O 3 exposure in an urban area. The results showed that the photosynthesis parameters were all decreased by the elevated O 3 during the whole season. Especially, light-saturated net photosynthetic rate (A) was reduced about 72% after 45 days exposure, and over the whole growing season, the differences were significant ( p  < 0.05) compared with control. The reduction is related to both stomatal and non-stomatal factors, including a decrease (about 9%) in the maximum quantum yield of PSII photochemistry ( F v / F m ) detected after 90 days O 3 exposure.
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titleEffects of Elevated Ozone on Photosynthetic CO 2 Exchange and Chlorophyll a Fluorescence in Leaves of Quercus mongolica Grown in Urban Area
descriptionThe aim of this study was to determine the responses of photosynthesis in leaves of Quercus mongolica to elevated O 3 exposure in an urban area. The results showed that the photosynthesis parameters were all decreased by the elevated O 3 during the whole season. Especially, light-saturated net photosynthetic rate (A) was reduced about 72% after 45 days exposure, and over the whole growing season, the differences were significant ( p  < 0.05) compared with control. The reduction is related to both stomatal and non-stomatal factors, including a decrease (about 9%) in the maximum quantum yield of PSII photochemistry ( F v / F m ) detected after 90 days O 3 exposure.
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titleEffects of Elevated Ozone on Photosynthetic CO 2 Exchange and Chlorophyll a Fluorescence in Leaves of Quercus mongolica Grown in Urban Area
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abstractThe aim of this study was to determine the responses of photosynthesis in leaves of Quercus mongolica to elevated O 3 exposure in an urban area. The results showed that the photosynthesis parameters were all decreased by the elevated O 3 during the whole season. Especially, light-saturated net photosynthetic rate (A) was reduced about 72% after 45 days exposure, and over the whole growing season, the differences were significant ( p  < 0.05) compared with control. The reduction is related to both stomatal and non-stomatal factors, including a decrease (about 9%) in the maximum quantum yield of PSII photochemistry ( F v / F m ) detected after 90 days O 3 exposure.
copNew York
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doi10.1007/s00128-008-9606-3
pages478-481
date2009-04