1903年,瑞典通过了一项法律,规定每砍伐一株树,三年之内必须补栽一株以上的树。由此,瑞典的森林覆盖面积不断增加,现在已达到58%,其主要树种为云杉和松树。 19世纪中叶,瑞典中部和南部还是一片不毛之地。当时,人们对此极为关注,政府也把扩大森林覆盖面积和保护森林作为国家的一项战略.瑞典政府一贯视森林为“银行”,有取有存,而不是把森 In 1903, Sweden passed a law stipulating that for every tree cut down, more than one tree must be replanted within three years. As a result, Sweden’s forest cover continues to increase, now reaching 58%, its main species is spruce and pine. Mid-19th century, central and southern Sweden is still a barren area. At that time, people were extremely concerned about this, and the government also took the strategy of expanding forest cover and protecting forests as a nation. The Swedish government always regards forests as “banks”