| Title: | Influence of physiological and environmental factors on the diurnal variation in emissions of biogenic volatile compounds from Pinus tabuliformis |
| Author(s): | Chen J; Bi H; Yu X; Fu Y; Liao W; |
| Address: | "College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China; Institute of Ecology, College of Urban and Environmental Sciences, and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871, China. College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China; Ji County Station, Chinese National Ecosystem Research Network (CNERN), Beijing 100083, China; Key Laboratory of State Forestry Administration on Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China; Beijing Engineering Research Center of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China; Engineering Research Center of Forestry Ecological Engineering, Ministry of Education, Beijing Forestry University, Beijing 100083, China; Beijing Collaborative Innovation Center for Eco-Environmental Improvement With Forestry and Fruit Trees, 102206 Beijing, China. Electronic address: bhx@bjfu.edu.cn. College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China. Beijing Water Consulting Co., LTD, 100048 Beijing, China" |
| DOI: | 10.1016/j.jes.2019.01.020 |
| ISSN/ISBN: | 1001-0742 (Print) 1001-0742 (Linking) |
| Abstract: | "Biological volatile organic compounds (BVOCs) have a large influence on atmospheric environmental quality, climate change and the carbon cycle. This study assesses the composition and diurnal variation in emission rates of BVOCs from Pinus tabuliformis, using an enclosure technique. Environmental parameters (temperature and light intensity) and physiological parameters (net photosynthetic rate, P(n); stomatal conductance, g(s); intercellular CO(2) concentration, C(i); and transpiration rate, T(r)) that may affect emission behavior were continuously monitored. The 10 most abundant compound groups emitted by P. tabuliformis were classified by gas chromatography-mass spectrometry. The dominant monoterpenoid compounds emitted were alpha-pinene, beta-myrcene, alpha-farnesene and limonene. The diurnal emission rate of BVOCs changed with temperature and light intensity, with dynamic analysis of BVOCs emissions revealing that their emission rates were more affected by temperature than light. The variation in monoterpene emission rates was consistent with estimates of P(n), g(s) and T(r). Basal emission rates (at 30?ª+ degrees C,) of the main BVOCs ranged from 0.006 to 0.273?ª+mug?ª+?ª+(-1)/(hr g), while the basal ER standardization coefficients ranged from 0.049 to 0.144?ª+ degrees C(-1). Overall, these results provide a detailed reference for the effective selection and configuration of tree species to effectively prevent and control atmospheric pollution" |
| Keywords: | Acyclic Monoterpenes Air Pollutants/*analysis Bicyclic Monoterpenes *Environmental Monitoring Monoterpenes/analysis Pinus/chemistry/*physiology Sesquiterpenes/analysis Volatile Organic Compounds/*analysis Biogenic volatile organic compounds Emission rate; |
| Notes: | "MedlineChen, Jungang Bi, Huaxing Yu, Xinxiao Fu, Yanlin Liao, Wenchao eng Netherlands 2019/04/13 J Environ Sci (China). 2019 Jul; 81:102-118. doi: 10.1016/j.jes.2019.01.020. Epub 2019 Feb 20" |
