Measuring the economic value of increased precision in scientific estimates of marine mammal abundance and bycatch: Harbor porpoise Phocoena phocoena in the northeast U.S. gill-net fishery

Bisack, Kathryn D.; Magnusson, Gisele
North American Journal of Fisheries Management (2014)

Marine mammal stock assessments provide information that is valuable to public sector management and the private fishing sector; however, data are costly to collect. The precautionary approach, which is widely…


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…


Experimental testing of acoustic alarms (pingers) to reduce bycatch of harbour porpoise, Phocoena phocoena, in the state of Washington

Gearin, P. J.; Gosho, M. E.; Laake, J. L.; Cooke, L.; DeLong, R. L.; Hughes, K. M.
Journal of Cetacean Research and Management (2000)

Field tests were conducted on the effectiveness of acoustic alarms (pingers) in reducing the incidental catch of harbour porpoise (Phocoena phocoena) in a salmon gillnet fishery in northern Washington in…