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…
Harbor porpoise mortality in the Monterey Bay halibut gillnet fishery, 1989
Jefferson, T. A.; Curry, B. E.; Black, N. A.
Report of the International Whaling Commission (1994)
Harbor porpoises (Phocoena phocoena) have been killed in gillnets set for halibut in central California since at least 1969. In the Monterey Bay area (Pigeon Pt. to Pt. Sur), past…
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…
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 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…
Net fisheries and net mortality of small cetaceans off Tierra del Fuego, Argentina
Goodall, R. N. P.; Schiavini, A. C. M.; Fermani, C.
Report of the International Whaling Commission (1994)
There are five basic types of inshore fishing off Argentinian Tierra del Fuego: coastal fishing with gillnets or lines along the northeastern coasts; beach seining, use of wicker pots, and…
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…
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…
Response of free-ranging harbour porpoises to potential gillnet modifications
Silber, G. K.; Waples, K. A.; Nelson, P. A.
Report of the International Whaling Commission (1994)
Thousands of porpoises die annually in monofilament gillnets. Simple net modifications may alleviate the problem. In June through August 1988, we quantified harbour porpoise (Phocoena phocoena) reactions to weighted vertical…
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…