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1992～ 1999年间 ,在典型的黄土残塬沟壑区设点 ,对荒草坡中的害鼠进行了研究。研究结果显示 :荒草坡中栖息有 9种鼠形动物 ,根据数量和危害长尾仓鼠、大仓鼠和社鼠为优势鼠种 ;害鼠种群数量季节波动大 ,5月份和 8月份出现 2次高峰 ;根据饵料消耗法测定 ,害鼠的数量在沟边最高 ,沟半腰次之 ,沟底较低 ;大面积采用沟边定点埋罐防治效果最好
From 1992 to 1999, a set of spots were found in the typical gully area of loess plateau, and the harmful rats in the weed slope were studied. The results showed that there were 9 species of rodents inhabiting in the weed slope. According to the quantity and damage, long-haired hamsters, big hamsters and social mice were the dominant species. The number of rodents fluctuated greatly in seasons, with 2 peaks in May and August ; According to the method of food consumption, the number of harmful rats was the highest in the ditch and the second in the ditch was the second, and the ditch bottom was lower;