Biomass dynamic and nutrient accumulation of natural restoration at early stage after fallow in clear-cutting forestland of Chinese fir plantation;

Characteristics of soil seed banks in logging gaps of forests at different succession stages in Changbai Mountains

Seed bank in the logging gaps of broadleaved-Korean pine mixed forests in Changbai Mountain,northeastern China.

The reform and the consummation forest cut the control system,guarantees the ecologycon struction considerable development——Cuts take the Huhhot forest as the example;