黑龙江省东部山区人工林与混交林经营效益分析

Analysis of management benefit artifical planation and mixture forest in east of Heilongjiang province

针对现有经营人工纯林存在的问题,通过对8组不同立地条件下3种林分类型(针叶纯林、针阔混交林、人天混林)的三项经济因子(成本、生态效益、生长量)与每公顷效益进行多元回归分析。针叶纯林成本最大;针阔叶混交林生态效益和经济效益都优于针叶纯林;人天混林的造林成本低,投资少,有较高的木材收益,物种丰富多样。

This paper analysis the benefit of per hektare according to the question of existent throught different of three ecnomic factors of stand(conifer needles forest,mixture of needle and broad leaf,mixture of artifical and natural).The results are conifer needles is biggest of cost,mixture of conifer and broad leaf is better in ecological benefit and ecological benefit,the artifical and nature forest is lowest.