CanadaArticle: Effect of the sound generated by an acoustic harassment device on the relative abundance and distribution of harbor porpoises (Phocoena phocoena) in Retreat Passage, British ColumbiaTarget catch: n/aStudy Type: Field study in the wildEffect on target catch: n/aEffect on bycatch species: No porpoises were sighted within 200 m of AHDBycatch species: Small Cetaceans (maximum length < 7.5 meters)Phocoena phocoena (Harbor porpoise)Fishing Gear: Non-specificReduction technique: Acoustic deterrent devices
