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勃利县有天然林和人工林354万余亩,是黑龙江省重点林区县之一.建国初期,由于森林火灾不断发生,损失相当严重.例如,1955年以前发生森林火灾受害面积71万余亩,火灾的教训较深.从1956年开始加强了护林防火工作,连续26年没有发生森林火灾,不仅保护了天然林,而且发展了70余万亩人工林,其中已有18万亩郁闭成林,森林覆被率由建国初期的8%,上升到21%.
There are more than 3.54 million mu of natural forest and plantation in Boli County, which is one of the key forest districts and counties in Heilongjiang Province.At the beginning of the founding of New China, due to the continual occurrence of forest fires, the losses were quite serious.For example, the area affected by forest fires before 1955 was more than 710,000 Mu, the lesson of the fire is deeper.From 1956 began to strengthen the forest fire prevention work, for 26 consecutive years without forest fire, not only to protect the natural forest, and the development of more than 70 acres of plantations, of which 18 million mu has been closed Forest, forest cover rate from the early days of 8%, up to 21%.