论文部分内容阅读
近几年,我们在山区调查中,发现一些实行封山育林、进行天然更新、逐渐恢复森林资源的好典型,为恢复和发展老林区的森林资源揭示了一条有效途径.厂河公社梅河大队,七十年代初期由于修高关水库,6000余亩马尾松中、成林被砍之一空.通过近十年的封山育林以后,恢恢了4000余亩马尾松幼林,蓄积量达7000余M~3.杨集公社国旗大队,六十年代由于过量砍伐,4000余亩松林被砍光,七十年代初起,这个大队实行采育结合和封山育林的方针,进行天然更新,恢复了3000余亩.但是,并非所有的砍伐迹
In recent years, we found some good practices in closing hillsides for afforestation, carrying out natural renewal and gradually recovering forest resources in mountain surveys, and revealed an effective way for the restoration and development of forest resources in old forest areas. The Gonghe Commune, Meihe Battalion, seventy Early in the early repair of the reservoir due to more than 6,000 acres of masson pine, cut one of the Cheng Lin empty. After nearly 10 years of closing hillsides afforestation, the restoration of more than 4,000 acres of masson pine forests, storage volume of 7,000 M ~ 3. As a result of over-harvesting in the 1960s, more than 4,000 mu of pine forest were cut off and the brigade practiced the principle of combining cultivation and education and closing hillsides to facilitate afforestation and natural regeneration, recovering more than 3,000 mu. However, not all Deforestation