A global review of porpoise (Cetacea: Phocoenidae) mortality in gillnets

Jefferson, Thomas A.; Curry, Barbara E.
Biological Conservation (1994)

A global review of mortality of porpoises in gillnet fisheries indicates that individuals of all six species become entangled and die in gillnets. Harbor porpoises Phocoena phocoena are taken throughout…


Abundance estimates of Pacific white-sided dolphin, northern right whale dolphin, Dall’s porpoise and northern fur seal in the north Pacific, 1987-1990

Buckland, S.T.; Cattanach, K.L.; Hobbs, R.C.
Bulletin of the International North Pacific Fisheries Commission (1993)

Line transect analysis was applied to the 1987-1990 North Pacific marine mammal sightings survey data, with a regression adjustment for size-biased sampling of schools. Abundance of Pacific white-sided dolphins is…