Model selection of competing (≤4 ΔAICc) spatial capture-recapture models that estimated Peromyscus density (D) in Los Alamos Canyon.

We fit models that included a trap-specific behavioral response (bk) on the probability of detection at the activity center of an individual (g0), and allowed g0 to vary between sexes (Sex), among species (Species), between latent two-class mixtures (π), or to be constant (~1). We also allowed the spatial scale of detection (σ) to vary by sex, species, π, or to be constant. Density was modeled as a homogeneous (~1) or inhomogeneous Poisson point process, the latter of which allowed the spatial distribution of animal activity centers to vary with concentrations of manganese (Mn), mercury (Hg), PCBs, or TEQs in soil. The full model selection list can be viewed in B2 Table in S2 Appendix.