Dynamics of zokor occurrence in different ecological types in agricultural areas of Qinghai Province from 2013 to 2020
The zokor poses a significant threat to agricultural production,property security of farmers and herdsmen,and ecological environment security in Qinghai Province.Based on the survey statistics of the zokor's occurrence area and its population dynamics from 2013 to 2020,it is evident that the occurrence area and the population of zokors in agricultural areas of Qinghai Province are generally decreasing.In the eastern agricultural area,the Hainan tableland agricultural area,and the Qingnan plateau small block agricultural area,the average annual occurrence area of zokors accounted for 70.48%,27.16%,2.36%,respectively,and the average zokor density was 7.31,12.57,6.64 individuals per hectare,respectively.In the eastern agricultural area with the largest area of zokor's occurrence,the average occurrence area of high hill regions,middle mountain areas,and irrigated agricultural areas accounted for 70.47%,29.35%,and 0.18%,respectively,and the average zokor density was 15.32,6.58,0.02 individuals per hectare,respectively.Determing the occurrence pattern of zokor in agricultural areas in each region can provide a valuable reference for developing scientific and effective prevention and control measures,as well as promoting environmentally friendly prevention and control of rodent.