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过去,在资本主义发展时期,由于采取了强度的采伐方式,使得捷克的森林遭受了很大破坏。解放后,社会主义国家的林学家们做了许多工作,想提高森林的生物稳定性,以及其水源涵养和水土保持等作用。1948年颁布的法令中规定,皆伐的面积不得超过0.5公顷;在某些不能保证更新的,属于基本林型的林分内,择伐量不得超过林分蓄积量的30%。几年前,捷克林学家鲍古斯拉夫·保良斯基院士
In the past, in the period of capitalist development, Czechoslovakia suffered a great devastation from its intensive logging practices. After the liberation, forestry scientists in socialist countries have done a great deal of work to improve the biological stability of forests and their role in water conservation and soil and water conservation. The decrees promulgated in 1948 stipulated that the area of clear cutting should not exceed 0.5 hectare. In certain types of forest that are not guaranteed to be renewed and belong to the basic forest type, the amount of selective cutting must not exceed 30% of the volume of stand volume. A few years ago, Czech forestry scientist Boguslav Polanski