Estimation of Carbon Emissions from Forest Fires in 2010 in Huzhong of Daxing‘anling Mountain Analysis of the Conditions for Lightning Fire Occurrence in Daxing‘ anling Region Fluctuation of Forest Fire in Spatial Space and Their Regional Behavior STUDY ON FOREST FIRE REGIME OF HEILONGJIANG PROVINCE Ⅱ.ANALYSIS ON FACTORS AFFECTING FIRE DYNAMICS AND DISTRIBUTIONS Estimating carbon emissions from forest fires during 2001 to 2010 in Daxing‘ anling Mountain