10.1371/journal.pone.0199396.t003 Stiele V. Hagens Stiele V. Hagens Anthony R. Rendall Anthony R. Rendall Desley A. Whisson Desley A. Whisson Estimated nightly detection probabilities (<i>P</i>) with standard error (<i>SE</i>) for male koala bellows relative to stage of the breeding season (early, mid- and late), sampling schedule, and koala population density (low: <1 koala/ha, and high: ≥1 koala/ha). Public Library of Science 2018 PAM use occupancy modelling Optimising detection probability survey design 7 survey nights koala vocalisations Koala population density species sunset 2018-07-18 17:29:46 Dataset https://plos.figshare.com/articles/dataset/Estimated_nightly_detection_probabilities_i_P_i_with_standard_error_i_SE_i_for_male_koala_bellows_relative_to_stage_of_the_breeding_season_early_mid-_and_late_sampling_schedule_and_koala_population_density_low_1_koala_ha_and_high_1_koala_ha_/6835688 <p>The number of nights required to be 80% and 95% confident of a site-specific absence of koalas is given.</p>