Abstract:

Larch plantation is one of main commercial forests and has an important function to national economy construction．Four kinds of harvesting methods were done in larch plantation in Dailing Forestry Bureau，Heilongjiang Province．The papercalculated the comprehensive benefits of the four harvesting methods under the flat and steep slopes，considering operation costs，operation effects，seedlings destruction，soil disturbance and wood wastes，by using analytic hierarchy process method．Theresult indicated that the selective cutting-animal skidding mode Was the optimal harvesting method for the forest areas．

Key words: larch plantation, harvesting modes, analytic hierarchy process, optimal selection