The analysis of influence of prescribed burning on permafrost and wetland in daxingganling mountain

Daxinganling Mountain is one of the region where happened the most serious forest fire disaster.As to diminishing the loss in the forest fire,they have implemented prescribed burning for many years,and it has effect on the harm of the forest fire.However,as the global climate becomes warm,we begin to pay more attention to the environmental problem such as degeneration of the permafrost and reduction of the primitive wetland or the expansion of the new wetland.The problem about influence of the prescribed burning on the permafrost and wetland came out.In the passage,through analyzing the relationship between the prescribed burning and permafrost and wetland.It revealed the influence of prescribed burning on permafrost and wetland,and put forward the method to Substitute prescribed burning in some area.