Kurnpüünised
one of three ways: the net may be set around schools
of tuna
associated with dolphins ("dolphin sets," which catch
large yellowfin tuna), around schools of tuna
associated with logs or other floating objects ("log
sets," which catch mainly skipjack but also bigeye and
small yellowfin tuna), or around unassociated schools
of tuna ("school sets," which catch small yellowfin and
skipjack tuna). The proportion of each set type has
varied considerably, but during the last decade, dolphin
and school sets have been roughly equal in number
(about 45% of the 15,000-20,000 sets each year), and
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