High-Speed Vessel Noises in West Hong Kong Waters and Their Contributions Relative to Indo-Pacific Humpback Dolphins (Sousa chinensis)

Figure 1

A map of Lantau Island in Hong Kong with recording stations, recording locations, and transects. The letter “R” and the following number correspond to the individual recording number associated with the location name. “HSF” stands for an unidentified high-speed ferry, “Jetfoil” is the name of an identified high-speed ferry, and “Wala wala” is an arbitrary name associated with the small tour boats in the area. The “SLVF” is the South Lantau Vessel Fairway and the “AFRF” is the retired Aviation Fuel Receiving Facility.