Individual and interactive effects of meteorological factors on rodent density in Ordos,Inner Mongolia Autonomous Region,China,2013-2021
Objective To investigate the individual and interactive effects of meteorological factors on rodent density in Ordos,Inner Mongolia Autonomous Region,China.Methods The data on rodent density in Ordos from 2013 to 2021 were collected.The individual and interactive effects of meteorological factors on rodent density were analyzed using a generalized additive model.Results From 2013 to 2021,rodent density in Ordos showed an overall decreasing trend over the years.Rodent density showed nonlinear relationships with monthly average temperature and average air pressure at lag 2 months,and had a linear relationship with the average sunshine duration of the same month.The population density of Meriones meridianus exhibited a nonlinear relationship with monthly average temperature,which decreased with rising temperatures in a fluctuating pattern,with a minor peak around 12 ℃,reaching the lowest around 18 ℃,then followed by a rapid increase.As the average air pressure increased,the density of M.meridianus first increased and then declined,reaching its peak at approximately 864 hPa.There was a positive linear relationship between the density of M.meridianus and monthly average sunshine duration.Monthly average temperature at lag 2 months interacted with monthly cumulative precipitation in the same period and average sunshine duration in the current month.At an appropriate temperature(approximately 12 ℃)at lag 2 months,an intense precipitation and a shorter monthlyaverage sunshine duration in the current month favored an increase in the density of M.meridianus.Conclusion Monthly average sunshine duration,monthly average temperature,and monthly average air pressure have linear and nonlinear effects on M.meridianus density,and there is interaction between the meteorological factors.
NETL
NSTL
万方数据
