Examining productivity changes within the tropical WCPO purse seine fishery
2015
The Western Central Pacific Ocean (WCPO) is one of the most productive tuna fisheries in the world
and catches by weight of tuna are dominated by the purse seine fleet.
The tropical WCPO purse seine fishery is primarily managed through effort limitations (limits on the
number of fishing days per year). However, constant innovation leading to more efficient ways to
find, catch and process fish, can result in an increase in productivity e.g. the amount of catch per
fishing day . Increasing fleet productivity is a key feature of concern in effort/input controlled
fisheries, as it can have detrimental effects to health of the stock if not properly accounted for.
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