Paper Title:

Assessment of the Tolerance of Trees to High Concentration Sulfur Dioxide

Periodical Advanced Materials Research (Volumes 518 - 523)
Main Theme Advances in Environmental Science and Engineering
Edited by Reza Iranpour, Ji Zhao, Aijie Wang, Fenglin Yang and Xinyong Li
Pages 5423-5428
DOI 10.4028/www.scientific.net/AMR.518-523.5423
Citation Chung Yi Chung et al., 2012, Advanced Materials Research, 518-523, 5423
Online since May, 2012
Authors Chung Yi Chung, Pei Ling Chung, Hwa Sheng Gau, Shao Wei Liao, Wen Liang Lai, Chang Ling Miaw
Keywords Fumigation., Sulfur Dioxide, Tolerance, Tree
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Abstract

Italic textThis research utilized a custom-made air fumigation equipment to evaluate the tolerance of 10 species of side-walk trees with 600, 1000 and 2000 ppb Sulfur Dioxide (SO2) for 48 hours. The tolerance of tested trees toward SO2 pollution was analyzed. Results showed that these plants influenced by high concentration SO2 gas with physiology properties changes and the decrease of photosynthetic rates and the stomata conductance than before fumigation. The net photosynthetic rate and stomata conductance of tested trees was linearly correlated to each tested tree species. Among tested tree, the Quercus glauca had the highest tolerance in exposure with high concentration of SO2 pollutant. While the Camellia axillaries was the least.