Investigation of natural VOC emitted from tropical vegetations in China
WANG Zhi-hui , BAI Yu-hua , LIU Zhao-rong , WANG Xue-song , LI Qing-jun , L. F. Klinger
DOI:
Received February 23, 2004,Revised April 30, 2004, Accepted , Available online
Volume 17,2005,Pages 8-13
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Twenty-three kinds of typical plants in Xishuangbanna, the tropical area of southwestern China, were screened to estimate the emission rates of isoprene and monoterpenes by adopting bag-enclosure and curette sampling methods followed by a GC-FID analysis. It was found that the Ficus species were mainly emitting isoprene and most tropical vegetations were mainly releasing monoterpenes. The results also showed that the emissions of isoprene were affected by both temperature and PAR( Photosynthetic Active Radiation), while monoterpene emissions were mainly temperature-dependent.
