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…
Estimates of incidental marine mammal bycatch in California gillnet fisheries for July through December, 1990
Lennert, C.; Kruse, S.; Beeson, M.; Barlow, J.
Report of the International Whaling Commission (1994)
Data are reported on marine mammal mortality collected from California's gillnet fisheries for California halibut and Pacific angel shark (set net) and swordfish and pelagic sharks (driftnet) during the first…
Incidental catches of harbour porpoises (Phocoena phocoena) in the Gulf of St. Lawrence and the St. Lawrence River Estuary, Quebec, Canada
Fontaine, P.-M.; Barrette, C.; Hammill, M. O.; Kingsley, M. C. S.
Report of the International Whaling Commission (1994)
Incidental catches of harbour porpoise by commercial fisheries in the Estuary and Gulf of St. Lawrence, Canada were examined. Two questionnaires, one in 1989 and one in 1990, were sent…
The potential for reducing entanglement of dolphins and porpoises with acoustic modifications to gillnets
Dawson, S. M.
Report of the International Whaling Commission (1994)
To reduce incidental catch of cetaceans in gillnets, two forms of acoustic modifications are reviewed here; one to make gillnets more reflective to cetacean sonar, and another using active sound…
Post-ban small cetacean takes off Peru: A review
Van Waerebeek, K.; Reyes, J. C.
Report of the International Whaling Commission (1994)
Information on small cetacean mortality in Peruvian fisheries is reviewed for the 1990-1993 period, i.e. after the national ban on cetacean exploitation. Most ports along the Peruvian coast were sampled…
PCBs, cause of death and body condition in harbour porpoises (Phocoena phocoena) from British waters
Kuiken, Thijs; Bennett, Peter M.; Allchin, Colin R.; Kirkwood, James K.; Baker, John R.; Lockyer, Christina H.; Walton, Michael J.; Sheldrick, Martin C.
Aquatic Toxicology (1994)
Polychlorinated biphenyls (PCBs) suppress immunity, and may have exacerbated the effects of recent morbillivirus epizootics in harbour seals (Phoca vitulina) and striped dolphins (Stenella coeruleoalba). To test the hypothesis that…
A review of the Japanese squid driftnet fishery with notes on the cetacean bycatch
Yatsu, A.; Hiramatsu, K.; Hayase, S.
Report of the International Whaling Commission (1994)
The Japanese squid driftnet fishery began in 1978 in the northwestern Pacific, targeting the flying squid, Ommastrephes bartrami, and was effectively closed in 1992. In response to the rapid growth…
Coastal fisheries and cetacean mortality in Portugal
Sequeira, M.; Ferreira, C.
Report of the International Whaling Commission (1994)
Considerable numbers of cetaceans are killed incidentally every year during fishing operations on the Portuguese coast. Although a small number of marine mammals are caught by trawlers and fishing traps,…
A note on cetacean bycatches in German waters
Benke, H.
Report of the International Whaling Commission (1994)
This note summarises available information on bycatches of harbour porpoises in German waters since 1987. Most information is for the cod set net fishery in Schleswig-Holstein. More recently, information on…
Bycatches of the harbour porpoise (Phocoena phocoena) in the Swedish Skagerrak, Kattegat and Baltic Seas; 1973-1993
Berggren, P.
Report of the International Whaling Commission (1994)
The harbour porpoise is the only cetacean common to Swedish waters. This paper reviews data on harbour porpoise bycatches in the Swedish Skagerrak, Kattegat and Baltic Seas between 1973 and…