Abstract:The structure and regeneration mechanism of subalpine forest, one of the most important habitats for Giant panda was determined by the abundance of understory bamboo and gap disturbance regime. Four sample plots ranged from 5000 m~2 to 4000 m~2 in size and sixty-two gaps were investigated through sample plot and Point-centred quarter Method to explore the forest characteristics and the relationships of forest regeneration with bamboo and gap disturbance in Wanglang Nature Reserve. Abies faxoniana and Picea ...