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Fitting and Interpreting Occupancy Models

Figure 2

Fitted single-species, single-season detection and occupancy probabilities for the Brown Thornbill for

separate surveys in the Nanangroe Study. The first and second rows show the fitted detection and occupancy probabilities for the first four surveys (1998–2001) and the third and fourth rows show the fitted detection and occupancy probabilities for the last four surveys (2003–2009). In each panel, the fitted probabilities with the highest log-likelihood are shown as a solid curve and the fitted probabilities corresponding to other solutions of the log-likelihood estimating equations are shown as dashed curves. Fitted models with increasing occupancy are shown in blue and those with decreasing occupancy in green. The fitted detection probabilities when are shown in brown.

doi: https://doi.org/10.1371/journal.pone.0052015.g002