Changes of persistent soil seed bank in degraded Seriphidium transillens desert grassland

摘要

@@Introduction Seriphidium desert is generally the dominant native grassland type and is extensively distributed in central Asia,especially on the northern slopes of the Tianshan Mountains.It playing an important role in stockbreeding and ecosystem.Persistent soil seed bank plays a key role in vegetation restoration after disturbance,but research about Seriphidium transillens desert seed bank is relatively few.