关键词: 大沙鼠, 肥满度

Abstract: Objective:To study the relative fatness of Rhombomys opimus.Methods:Counting of fatness and checking of remarkable difference were adopted.Results:There was no distinct difference between sexes and the same was the case of ages.But the remarkable difference could be seen in seasons.Ther was little something with population concentration,but it was no remarkable.Conclusion:Statistical methods was fitness to multilayer studying for fatness of Rhombomys opimus.It would unveiling something of the law of population concentration.