Based on population surveys of great gerbil(Rhombomys opimus)by blocking up the mouseholes and inspecting the opened ones conducted in three different habitats in Tengenor,Damaolianheqi,Baotou City of Inner Mongolia i...Based on population surveys of great gerbil(Rhombomys opimus)by blocking up the mouseholes and inspecting the opened ones conducted in three different habitats in Tengenor,Damaolianheqi,Baotou City of Inner Mongolia in February,April,June,August,October and December from 2003 to 2005,relationship between density of the great gerbil and rainfall was analyzed.Results showed that population densities of the great gerbil vary with seasons and years,and its density curves have a single peak value every year.A regression equation Y8=-8.7202 + 0.8806X(df=16,r=0.5394>r0.05=0.468)resulted from analyzing the relationship of the density to the rainfall the previous month indicates that the population size of the great gerbil was positively related to the previous month’s rainfall.The density occurring in August and October can be predicted by that in April.The forecasting models for the density in August and October are Y8=-1.0925+2.6133X4(df=6,r=0.9776>r0.01=0.834)and Y10=-0.2097+2.4992X4(df=6,r=0.9672>r0.01=0.834)respectively.展开更多
目的明确新疆大沙鼠鼠疫的传播媒介。方法以常规方法在鼠体和鼠洞收集寄生物。结果在鼠体和鼠洞采到蚤类4属7种,经病原学检验,从臀突客蚤(Xenopsylla m inax)中分离出5株鼠疫耶尔森氏菌(Yersinia pestis),从长吻角头蚤(Echidnophaga osc...目的明确新疆大沙鼠鼠疫的传播媒介。方法以常规方法在鼠体和鼠洞收集寄生物。结果在鼠体和鼠洞采到蚤类4属7种,经病原学检验,从臀突客蚤(Xenopsylla m inax)中分离出5株鼠疫耶尔森氏菌(Yersinia pestis),从长吻角头蚤(Echidnophaga oschanini)中分离出1株鼠疫菌。结论从臀突客蚤中分离出鼠疫菌在中国尚属首次。臀突客蚤是新疆大沙鼠鼠疫的主要传播媒介。展开更多
文摘Based on population surveys of great gerbil(Rhombomys opimus)by blocking up the mouseholes and inspecting the opened ones conducted in three different habitats in Tengenor,Damaolianheqi,Baotou City of Inner Mongolia in February,April,June,August,October and December from 2003 to 2005,relationship between density of the great gerbil and rainfall was analyzed.Results showed that population densities of the great gerbil vary with seasons and years,and its density curves have a single peak value every year.A regression equation Y8=-8.7202 + 0.8806X(df=16,r=0.5394>r0.05=0.468)resulted from analyzing the relationship of the density to the rainfall the previous month indicates that the population size of the great gerbil was positively related to the previous month’s rainfall.The density occurring in August and October can be predicted by that in April.The forecasting models for the density in August and October are Y8=-1.0925+2.6133X4(df=6,r=0.9776>r0.01=0.834)and Y10=-0.2097+2.4992X4(df=6,r=0.9672>r0.01=0.834)respectively.
文摘目的明确新疆大沙鼠鼠疫的传播媒介。方法以常规方法在鼠体和鼠洞收集寄生物。结果在鼠体和鼠洞采到蚤类4属7种,经病原学检验,从臀突客蚤(Xenopsylla m inax)中分离出5株鼠疫耶尔森氏菌(Yersinia pestis),从长吻角头蚤(Echidnophaga oschanini)中分离出1株鼠疫菌。结论从臀突客蚤中分离出鼠疫菌在中国尚属首次。臀突客蚤是新疆大沙鼠鼠疫的主要传播媒介。