Plot the species reference regions with map background for visualisation
plotRefReg(ref_reg)
This function plots three maps of the species occurrence, showing the regions where it is present, native and alien.
list containing three shapefiles derived by information supplied by GIFT. "regs" includes all the features corresponding to regions where the species has been listed as present. "regs_native" includes all the features corresponding to regions where the species has been listed as native. And "regs_alien" includes all the features corresponding to regions where the species has been listed as alien..