Fig 1.
The proportion of each species caught.
Depending on the previous occupant in the trap. The values were calculated from the raw data.
Table 1.
The explained deviance percentage for each of the covariants in the three species GLMs.
Fig 2.
Previous Occupant, habitat interaction plot for wood mice.
The interaction would suggest that the effect the PO is less pronounced in the woodland compared to the grassland Habitat. Wood mice are less likely to enter traps that previously contained field voles compared to those that contained bank voles.
Table 2.
Predicted Captures Probabilities from the three species GLMs.
Table 3.
Capture probabilities.
Fig 3.
Simulated captures showing the proportion of voles caught.
(a) with a 1:1 species ratio of mice to voles, (b) with a 1:4 species ratio of mice to voles in the grassland and a 4:1 ratio of mice to voles in the woodland. The red dashed line indicates the expected proportion of voles caught during the trapping simulations based just on the species ratio Ev. The blue dotted line represents the expected proportion of voles caught during the trapping simulations based on the capture chance without any previous occupant effect Cv. Capture proportion being defined as the number of individuals of a particular species caught divided by the total number of individuals of both species caught during the trapping session.
Fig 4.
Repeat runs of simulated captures varying mouse same species multiplier.
The proportion of mice caught compared to voles, for increasing values of mouse same species PO multiplier (Cs). The initial capture chance was 20% and the other PO multipliers were set to 1.0 for both species and kept constant for all runs of the simulation.