Schoeman, Renée P.Erbe, ChristinePavan, GianniRighini, RobertaThomas, Jeanette A.2022Fig. 7.19 in Analysis of Soundscapes as an Ecological Tool10.5281/zenodo.10606080Fig. 7.19 Power spectral density (PSD) of the soundscape off Cape Leeuwin, Australia, showing increases in level and decreases in frequency of the fin and Antarctic blue whale characteristic sounds over eight years. Figure courtesy of Sasha Gavrilov, Curtin University, Perth, Australia2]Hz/ΜPa1redB[PSD9896949290888615finwhales20200620022010FrequencyAntarctic[Hz25]bluewhales30