Seed rain,soil seed bank and seedling regeneration in a 65-year Picea asperata plantation in subalpine coniferous,western Sichuan,China
川西亚高山65年人工云杉林种子雨、种子库和幼苗定居研究

Aims Picea asperata is one of the keystone spruce species used for reforestation in subalpine coniferous forest of western Sichuan,China.A total of ca.13 000 hm2 of plantations are dominated by this species in this region.Our objective was to assess (a) potential for natural regeneration and (b) critical factors limiting regeneration of this tree species in spruce plantations.Methods We conducted field studies on the seed rain,soil seed bank dynamics and seedling establishment in a 65-year spruce plantation...