NE Atlantic NE Atlantic white-sided Observer and 1994-1995 High See Table 4 in Catch rates of dolphins, in trawl (Morizur et al., (Western pelagic trawl dolphin (5) logbook Morizur et al. fisheries with dolphin bycatch, 1999) Europe) fisheries records (1999) for gear and ranged from 0.0606 to 0.1000 per common dolphin towing practice tow and from 0.0107 to 0.0137 per (12) 3% of annual with marine hour of towing. effort grey seal (4) mammal bycatch The mean±SD dolphin catch rate 374 tows rates. bottlenose dolphin for all trawl fisheries combined totalling 1771 (1) Fish pumps used in (including those without bycatch) h of towing some fisheries was 0.048±0.013 per tow (1 during 377 reducing ability to dolphin per 20.7 tows), or days fishing record marine 0.0185±0.0019 per hour of towing mammal bycatch – (1 dolphin per 98 h of towing). data represents minimum bycatch Mediterranean Gillnets and Most commonly 1998-1999 Mod The fleet incidentally captured (Lo´pez et al., and Black Seas offshore short-beaked survey 1,629 small dolphins annually 2003) trawling common dolphins and onboard Galicia considered the (Delphinus delphis) observations (northwest method most Spain) Tursiops truncatus likely to catch and Globicephala small cetaceans melas
NE Atlantic (Western Europe) NE Atlantic pelagic trawl fisheries white-sided dolphin (5) common dolphin (12) grey seal (4) bottlenose dolphin (1) Observer and logbook records 3% of annual effort 374 tows totalling 1771 h of towing during 377 days fishing 1994-1995 High See Table 4 in Morizur et al. (1999) for gear and towing practice with marine mammal bycatch rates. Fish pumps used in some fisheries reducing ability to record marine mammal bycatch – data represents minimum bycatch Catch rates of dolphins, in trawl fisheries with dolphin bycatch, ranged from 0.0606 to 0.1000 per tow and from 0.0107 to 0.0137 per hour of towing. The mean±SD dolphin catch rate for all trawl fisheries combined (including those without bycatch) was 0.048±0.013 per tow (1 dolphin per 20.7 tows), or 0.0185±0.0019 per hour of towing (1 dolphin per 98 h of towing). (Morizur et al., 1999) Mediterranean and Black Seas Galicia (northwest Spain) Gillnets and offshore trawling considered the method most likely to catch small cetaceans Most commonly short-beaked common dolphins (Delphinus delphis) Tursiops truncatus and Globicephala melas survey and onboard observations 1998-1999 Mod The fleet incidentally captured 1,629 small dolphins annually (Lo´pez et al., 2003)
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