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45A Review of Passive Acoustics Monitoring Results in the CoastalWaters off Western Taiwan for the Past DecadeMarine Research of the National Academy of Marine ResearchDOI: 10.29677/MR.202406_4(1).0004Figure 7. PAM recordings from the Changhua Demonstration Wind Farm on May 10, 2017: (a)Logarithmic scale spectrograms (10-48 kHz) illustrating ship noise (V1 and V2) and dredgingconstruction (D1 and D2). (b) Linear scale spectrograms (10-48 kHz) displaying click bursts (CB)emitted by dolphins (Hu et al., 2022).Figure 8. Dolphin whistle and click activity variation in response to passing ships (Data recorded at theChanghua Demonstration Wind Farm on May 10, 2017) (a) Sound pressure level (SPL); (b) whistles;(c) clicks; (d) whistle duration (Hu et al., 2022).