An experiment was conducted to study seed rain and soil seed bank of 22-year-old and 30-year-old Mongolian oak (Quercus mongolica) populations in Maoershan region, Heilongjiang Province.

• 摘要对黑龙江省帽儿山地区平均年龄为22a和30a的天然蒙古栎种群的种子雨和地表种子库进行了研究。