Latin America Nocturnal Commerson’s Interview of 1992-94 Mod Nets were 20 m Average catch rate for (Crespo et al., trawling dolphin and dusky fishers, high and 40 m wide Commerson’s dolphin was 0.030, 1997; Dans et for shrimp by dolphins records and with 11 individuals captured by al., 2003b). Atlantic two-beam observers mid-water factory trawlers out of See text for Ocean, factory vessels 27 total caught by the trawl fleet Latin America Southern (41%). This occurred over 366 days Mid-water for more info. South annual effort, which was only 3.4% factory trawlers America, of the total trawl fleet fishing effort caught a large Eastern South for the year.78% of these dolphins percentage of Pacific) were female. Average catch rate the dolphins for the dusky dolphins in the Patagonia despite the factory trawlers was 0.148, lower annual with 54 individuals out of 69 total effort compared caught for the whole trawl fleet to the (78%). The total annual effort remainder of (days) for the mid-water factory the trawl fleet. trawler was 366 days, only 1.3 % of the total fleet’s annual effort. 70% of the dolphins were female and half of these were pregnant
Latin America Atlantic Ocean, Southern South America, Eastern South Pacific) Patagonia Nocturnal trawling for shrimp by two-beam factory vessels Mid-water factory trawlers caught a large percentage of the dolphins despite the lower annual effort compared to the remainder of the trawl fleet. Commerson’s dolphin and dusky dolphins Interview of fishers, records and observers 1992-94 Mod Nets were 20 m high and 40 m wide Average catch rate for Commerson’s dolphin was 0.030, with 11 individuals captured by mid-water factory trawlers out of 27 total caught by the trawl fleet (41%). This occurred over 366 days annual effort, which was only 3.4% of the total trawl fleet fishing effort for the year.78% of these dolphins were female. Average catch rate for the dusky dolphins in the factory trawlers was 0.148, with 54 individuals out of 69 total caught for the whole trawl fleet (78%). The total annual effort (days) for the mid-water factory trawler was 366 days, only 1.3 % of the total fleet’s annual effort. 70% of the dolphins were female and half of these were pregnant (Crespo et al., 1997; Dans et al., 2003b). See text for Latin America for more info.
protected-species-literature-review.docx