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Huan Jing Ke Xue


Title:[Inventory and Characteristics of Biogenic Volatile Organic Compounds (BVOCs) for 12 Deciduous Fruit Trees]
Author(s):Li SJ; Yuan XY; Li Q; Feng ZZ;
Address:"College of Urban and Environmental Science, Northwest University, Xi'an 710127, China. State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Science, Chinese Academy of Sciences, Beijing 100085, China. School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China"
Journal Title:Huan Jing Ke Xue
Year:2019
Volume:40
Issue:5
Page Number:2078 - 2085
DOI: 10.13227/j.hjkx.201811240
ISSN/ISBN:0250-3301 (Print) 0250-3301 (Linking)
Abstract:"To better understand the emission of biogenic volatile organic compounds (BVOCs) in suburbs, we selected 12 typical deciduous fruit trees and conducted field sampling and laboratory analysis of BVOCs using a dynamic sampling technique. To our knowledge, details of BVOC emissions for nine of the selected fruit tree species are reported here for the first time. Emissions of BVOCs from fruit trees contained nine kinds of compounds, including hydrocarbons, alcohols, and aldehydes, of which hydrocarbons accounted for up to 39.0%. All fruit trees were found to emit isoprene and monoterpenes (six species also emitted sesquiterpenes), of which three species were high emitters and nine species, such as Catalpa, were medium emitters. The emission rates of total BVOCs (including isoprene, monoterpenes, and sesquiterpenes) from different fruit trees ranged from (2.6+/-0.1) mug.(g.h)(-1) to (14+/-0.8) mug.(g.h)(-1). Analyses of BVOCs from different families and plant forms indicated that isoprene emission rates were significantly higher from woody fruit trees[(4.2+/-1.4) mug.(g.h)(-1)] than from vine fruit trees[(0.6+/-0.2) mug.(g.h)(-1), P=0.03], whereas there was no significant difference between family or genus. This suggests that the emission level of BVOCs from fruit trees cannot be classified by family and genera. In contrast to coniferous plants, beta-myrcene, D-limonene, and gamma-terpinene-associated with floral or resinous aromas-were the main monoterpenes of fruit trees. The emission rate of beta-myrcene was highest, accounting for 59.3% of the total monoterpene emissions. In addition, fruit trees may emit eight other fragrant VOCs listed as hazardous air pollutants (HAPs), e.g., fluorene, phenanthrene, and naphthalene. This study expands the field of BVOCs research and provides basic data for enriching the BVOCs database, as well as for evaluating the environmental effects of BVOCs"
Keywords:biogenic volatile organic compounds (BVOCs) emission characteristics emissions inventory fruit tree hazardous air pollutants (HAPs);
Notes:"PubMed-not-MEDLINELi, Shuang-Jiang Yuan, Xiang-Yang Li, Qi Feng, Zhao-Zhong chi English Abstract China 2019/05/16 Huan Jing Ke Xue. 2019 May 8; 40(5):2078-2085. doi: 10.13227/j.hjkx.201811240"

 
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