地老虎在我区分布很广,尤其引黄灌区各县市,地下水位高,土壤肥沃,杂草种类繁多,十分适宜地老虎的发生和为害。我区主要有小地老虎和黄地老虎两种,其中小地老虎发生较为普遍而严重。根据地老虎种群数量季节性变动规律的研 To a very wide area in my area tiger, especially the Yellow River irrigated counties and cities, high water table, fertile soil, a wide range of weeds, tiger is very suitable for the occurrence and damage. There are two kinds of small land tigers and yellow tigers in our district, of which the small tigers are more common and serious. Study on the Seasonal Variation of Tiger Population in Base Areas