【摘要】 目的介绍蒙古毛足鼠的一些生态资料。方法 2007-2009年每年5、7、9月上旬,利用直线夹日法在内蒙古典型草原调查,捕获鼠称重、测量后解剖,记录繁殖情况。结果蒙古毛足鼠是调查区的优势鼠种,在群落中3年平均占38.14%,2008和2009年分别为56.29%和58.15%,解剖蒙古毛足鼠183只,其中雄性鼠84,雌性鼠99只,雌性比为54.10%。3年睾丸下降率分别为87.50%±17.53%、61.54%±29.15%和63.64%±0.13%。3年雌鼠怀孕率分别为16.67%±18.79%、30.77%±27.65%和17.65%±9.60%。结论蒙古毛足鼠是内蒙古典型草原的优势鼠种,其性比、睾丸下降率和怀孕率各年均不同。更多还原

【Abstract】 Objective To introduce several data of ecology for striped hairy-footted hamster. Methods Carrying out the study on typical grassland Inner Mongolian in early May,July and September during 2007 to 2009 by rectilinear-trapping method.The trapped rodents were weighed,surveyed and dissected,the breeding conditions was taken notes. Results The striped hairy-footed hamster was the dominant species of rodents,which took up average 38.14%,which took up 56.52% and 58.15% in 2008 and 2009 respectively.A total number of 183 striped hairy-footed hamster had a number of 99 femades and took up 54.10%.During 2007 to 2009,the average rate of testicle being in serotum was 87.50%±17.53%,61.54%±29.15% and 63.64%±0.13% respectively.The average pregnant rate were 16.67%±18.79%,30.77%±27.65% and 17.65%±9.60% respectively from 2007 to 2009. Conclusion The striped hairy-footted hamster was the dominant species of rodents on typical grasslamd Inner Mongolian.The sex ratio,the rate of testicle in scrotum and the pregnant rat were all different for every year.更多还原