排矸区复垦林木生长量的动态调查研究及经济效益分析

nvestigation and study of dynamic growth of reclamation forest planted in coal mining waste field and economic benefits analysis

对鹤煤集团岭北露天矿排矸区,复垦营造的樟子松人工林,采用定位观察法,在标准地内对林木各项因子生长量的调查,将获得的数据经过整理分析,结果显示:林木的保存率、平均胸径、平均高度、蓄积等因子的生长量与当地宜林荒山荒地所营造的同龄樟子松林的生长量对照无差异,具有明显的经济、生态及社会效益。

In this paper the man-made reclamation forest of pinus sylvestris var.mongolica pl-anted in the dump coal wastes field of Lingbei opencast affiliated the group of Hegang coal is investigated.In the standard field some factors of the reclamation forest growth are researched and analyzed by the method of location observation.The results show that the reclamation forest conservation the grade of DBH height volume etc.have no obvious difference in growth with the same year pinus sylvestris var.mongolica forest planted in the wasteland and the barren mountain.The economic ecological and social benefits are significant.