Long-term effectiveness of pingers on a small population of finless porpoises in Japan | Consortium for Wildlife Bycatch Reduction

Submitted by lweiss on February 25, 2020 – 14:34

Initially, pinger use decreased porpoise encounter rates with gillnets. However, this effect decreased over time but was effective later after temporary cessation of pinger use.

• Neophocoena spp. (finless porpoise)

• Acoustic deterrent devices