Abstract:

Based on the data of a forest fire census from 1969 to 2004 in Jilin Province, the amount of mean annual consumed biomass of the forest was estimated to be 27 285.31～36 380.41 t, accounted for about 0.45%～0.61% of total national consummation biomass from forest fires. The relevant released carbon was 22 004.38～29 339.17 t, which was about 1.05% of total national emissions from forest fires. Annual CO₂, CO and CH₄ emissions from the forest fires in Jilin Province during the period were 72 614.45～96 819.27 t, 5 283.01～7 044.02 t and 1 784.40～2 379.20 t.

Key words: forest fire, biomass, CO₂, CO, CH₄