Location
Scotland
Target catch
N/A
Study Type
Field study in the wild
Effect on target catch
N/A
Effect on bycatch species
Pingers significantly reduced echolocation encounter rates by 50-100% at 500m; sighting reduced up to 375m. Porpoise return time was 6 hrs when pingers were silent after being active for 24 hrs 50 min
Fishing Gear
Reduction technique