New Zealand Mid-water or incidental New Zealand 2006–07 High The probability of a 11 dolphins caught during observed (Thompson & bottom trawling mortalities of fisheries capture event tows. Abraham, for the common dolphin observers occurring during a 2009) 0.8 capture events per 100 commercial fish (Delphinus delphis) trawl: Headline observed tows See text for species jack depth had the most New Zealand mackerel explanatory power, for more info. (Trachurus most bycatch novaezelandiae) occurred shallower than 40 m, the model estimated that deepening the headline depth of a tow by 21 metres would have halved the probability of a dolphin capture event.
New Zealand Mid-water or bottom trawling for the commercial fish species jack mackerel (Trachurus novaezelandiae) incidental mortalities of common dolphin (Delphinus delphis) New Zealand fisheries observers 2006–07 High The probability of a capture event occurring during a trawl: Headline depth had the most explanatory power, most bycatch occurred shallower than 40 m, the model estimated that deepening the headline depth of a tow by 21 metres would have halved the probability of a dolphin capture event. 11 dolphins caught during observed tows. 0.8 capture events per 100 observed tows (Thompson & Abraham, 2009) See text for New Zealand for more info.
protected-species-literature-review.docx