大仓鼠( Cricetulus triton )的某些生态研究

１９８５年４月用标志重捕法观察了大仓鼠的活动范围；野外直接观察了鼠的活动及危害；室内直接观察了昼夜活动节律；在笼养状况下，观察了大仓鼠捕食黑线仓鼠和小白鼠的行为；室内观察了大仓鼠选食种子的行为。

ACTIVITY RANGE, ACTIVITY RHYTHM AND FOOD PREFERENCE IN RATLIKE HAMSTER(CRICETULUS TRITON)

Ratlike hamster is one of the major agricultural pest rodents in Northern China.We investigated the ecology of hamsters in the farm-land area in Hebei province,China from 1983 to 1990.This paper presents the activity rhythm,activity range,mating relation and feeding behavior in the ratlike hamster.Some of the hamsters were studied under laboratory condition by direct observation whereas others were studies with marking-recapture method in the field. In laboratory,the hamsters spent 15 hours sleeping everyday, 2 hours resting,7 hours activity:2 hours eating an f drinking,3 hours scenting or bitting the cage and 2 hours in self adorning.The daily activity rhythm varied among seasons as well as sexes.We saw ratlike hamster prey on striped hamster and mice. Results from the marking-recapture studies indicated that activity range of hamsters were 10b-300m.The activity range in females was relatively stable and it was about 1/3 of that of males.Food(seeds) preference-experiments carried out with captive hamsters showed that peanut and sunflower seeds were of the most preference and first comsumed by C. triton.Density of hamster in the peanut plot significant higher than those in other crop plots.