Data are to be collected on an un-aggregated (set by set) basis for all observed purse-seine sets.
Tá na sonraí le bailiú ar bhonn neamh-chomhiomlánaithe (gach tacar ar leithligh óna chéile) i gcás na dtacar peaslíonta saighne go léir a ndéantar breathnóireacht orthu.