06/10/2019: Preliminary acoustic survey onboard a commercial pelagic longliner

Marc SORIA, acoustical engineer involved in the PARADEP project, will be onboard the Vétyver 6 (ENEZ DU fishing company) during a commercial fishing trip which will last 15 days. He will deploy several hydrophones, accelerometers and cameras along the longline, in order to record acoustic signals emitted by marine mammals evolving near the fishing gear. Acoustic recordings will be associated with visual observations when possible. This will allow to associate the acoustic signals with specific marine mammal species.

The acoustic material will be deployed again during the commercial trips aiming at testing the depredation mitigation devices. The general objective of those acoustic recordings is to improve our knowledge about the depredation process. They will also allow a better understanding of the marine mammal acoustic behavior during depredation events.