XVI International Botanical Congess

Plant population dynamics of a human-impacted Pinus massoniana plantation in Dinghushan Biosphere Reserve of subtropical China were studied by comparing control (no human disturbance) and, treatment plots (local people continued to harvest understory and litter according to their practice) in a period of six years. The results show that human disturbances caused the increases in quantity of pine seedlings and of sunshine plant species in understory of the treatment plots, led to weak growing or death of herbaceous sunshine species and enhanced the growing of sunshine woody plants in understory of control plots. Basing on the results, the understory plant successional model of pine plantation was constructed.