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Characteristics of gas release during combustion of main arbor and shrub species in Xiaoxing’an Mountain.

HU Hai-qing;LI Ao-bin   

  1. School of Forestry, Northeast Forestry University, Harbin 150040, China
  • Received:2007-09-13 Revised:1900-01-01 Online:2008-07-20 Published:2008-07-20

Abstract: The amounts of CO2, CO, CxHy, SO2 and NO released from the combustion of 10 arbor and 9 shrub species in Liangshui Forest Farm of Xiaoxing’an Mountain were determined, with the release amounts and emission factors of these gases calculated. The results showed that the released CO2, the total amount of carbon-containing gases, and the mean value of the total amount of the 5 gases during combustion were larger for arbors than for shrubs, being 1 277.04 and 1 149.06 mg·g-1, 1 476.27 and 1 147.18 mg·g-1, and 1 486.21 and 1 459.67 mg·g-1, respectively, while an opposite pattern of the mean release of CO, NO and SO2 was observed, being 231.58 and 282.93 mg·g-1, 3.61 and 5.03 mg·g-1, and 6.32 and 7.46 mg·g-1 for the arbor and shrub species, respectively. The emission factors of CO2 and CO were also larger for arbors than for shrubs, being 2.8853 and 2.7718, and 0.4558 and 0.2425, respectively.

Key words: threatened fishes, GIS, zoogeographical division, endangered degree.