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ISSF scientists are exploring innovative ways to use acoustic equipment at sea as a tool to prevent overfishing — and reduce bycatch — in purse-seine tuna fisheries.
We are studying how echosounder buoys near fish aggregating devices (FADs) can detect the distinctive “sound signatures” of different tuna species — and transmit that information to vessels before fishers travel to a FAD to make a set. If fishers can harness acoustic technology to “preemptively” estimate the type and amount of fish gathered at a particular FAD, they can choose to fish only on FADs with higher proportions of tuna species for which stocks are in healthy condition — and avoid those that have attracted larger groups of non-target species.
We’ve created a new Web feature story — with animated illustrations and photos of ISSF research projects — showing how fishers can use acoustic technology to better identify species at FADs, and fish more sustainably.
ICYMI: ICCAT Position Statement
ISSF has issued its position statement ahead of annual meeting of the International Commission for the Conservation of Atlantic Tunas (ICCAT), which will be held November 14-21.
Our statement compiles our sustainable-fishing asks for ICCAT, including detailed recommendations for policy and management changes in tuna conservation; fish aggregating devices (FADs); harvest strategies; bycatch and sharks; monitoring, control, and surveillance; compliance; and capacity management.
Download the ICCAT position statement in English, French, and Spanish.
Peer Reviewed Articles
Investigating trends in process error as a diagnostic for integrated fisheries stock assessments
