Sustainable Management Strategy of Spruce Population in Cool Temperate Zone

The thesis mainly account for the types and characters of spruce vegetation in Daxing'anling, and analyze the total ecological effect of spruce. From this we put forward to that we should protect and manage spruce, protect and use the resource of spruce seed, strengthen manual renewal , expand the square of spruce, strengthen foster and management etc many measures to expand spruce population and sustain management of spruce.