【摘要】 本文研究了广布于我国的社鼠肥满度变化规律．结果表明社鼠肥满度存在两性差异且雌鼠肥满度依年龄增长而增大，雄鼠则不明显．不同生境、季节、垂直分布的社鼠肥满度有所变化．更多还原

【Abstract】 The relative fatness of R. niviventer has been studied with results that there is some obviousdifference of the relative fatness between sex, and females go fatter relatively with age. Therelative fatness of these small animals changes in different habitats. seasons and elevation.更多还原