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黑龙江省自建国至1979年共发生林火11748次,烧林地面积为19665万亩,其中重烧面积约占35%,次生林、灌木丛约占40%,原始林、人工林约占25%。每年林火总面积为全省当年更新造林面积的三倍。伊春林区以1961—1978年的十八年统计数字为例,共发生林火1236次,烧林地面积为9904388亩,平均年发火次数为68.7次,平均年烧林地面积为550244亩。但自党的十一届三中全会以后,由于认真贯彻落实了“预防为主,积极消灭”的方针,大搞了“四
Heilongjiang Province has a total of 11748 forest fires since its establishment in 1979, with a total area of 196.65 million hectares of forest burned, of which 35% are burned area, 40% are secondary forests and shrubs, and 25% are virgin forest and plantation. The total area of forest fires annually is three times of the area of reforestation in the whole province. Taking the eighteen-year statistics from 1961 to 1978 as an example, Yichun Forest Region has 1236 forest fires and 9904388 mu forest burning area with an average annual incidence of 68.7 fires, with an average area of 550,244 mu burning forest each year. However, since the Third Plenary Session of the Eleventh Central Committee of the Party, due to conscientiously implement the principle of “prevention first, and actively eliminate”, vigorously promoted the "four