论文部分内容阅读
汉中地区地处我国南北气候交接带的秦巴山区。草地分布在秦岭南坡和巴山两大地域。采用夹日法结合药杀，两年共捕鼠２２０只，隶属２０个种，优势鼠种为黑线姬鼠、黄胸鼠、白腹鼠。♂：♀为１：０．７７；繁殖雌鼠占雌鼠比例为７０．８％，窝平均产仔７．５１只。秦岭和巴山在鼠种分布、繁殖表现等方面有所差异。每年仅２０ｈｍ２以上的大块草场因鼠害损失牧草２２２９００ｔ以上，并提出以培植草地、促进草地生态平衡作为防治鼠虫危害的指导思想
Hanzhong region is located in Qinbaliba mountainous area of China’s north-south climate handover zone. Grassland located in the southern slope of Qinling Mountains and Bashan two major areas. Kill the Japanese law combined with the drug to kill, two years a total of 220 rats were captured, under the 20 species, the dominant species of black line Apodemus, Rattus flavipectus, white belly mouse. ♂: ♀ 1: 0.77; Reproductive female accounted for 70.8% of female rats, litter average litter 7.51 only. Qinling and Bashan in the distribution of species, reproductive performance, etc. are different. Only over 20hm2 each year large grassland loss due to rodent grass more than 222900t, and proposed to cultivate grassland and promote grassland ecological balance as a guide against the harmful effects of pests and worms