Report of the International Whaling Commission (1997)
In July 1990, an observer program was established to collect data on the bycatch of the drift and set gillnet fisheries operating off the coast of California. These data are…
Helminth parasites of the digestive tract of the harbour porpoise Phocoena phocoena in Danish waters: A comparative geographical analysis
Herreras, MV; Kaarstad, SE; Balbuena, JA; Kinze, CC; Raga, JA
Diseases of Aquatic Organisms (1997)
Most studies of the helminth fauna of the harbour porpoise Phocoena phocoena have focused on taxonomy, associated pathologies and surveys reporting prevalence and abundance of the parasite species. This study…
Population structure of harbour porpoises Phocoena phocoena in the seas around the UK and adjacent waters
Walton, M. J.
Proceedings of the Royal Society B: Biological Sciences (1997)
The population structure of harbour porpoises from British and adjacent waters was studied by examining variability in a 200 bp (base pair) section of the control region of mitochondrial DNA…
Blubber thickness in harbour porpoises (Phocoena phocoena)
Kastelein, R. A.; van der Sijs, S. J.; Staal, C.; Nieuwstraten, S. H.
The Biology of the Harbour Porpoise (1997)
The blubber thicknesses of 5 male and one female harbour porpoises were measured ultrasonically in 9 positions on the body over various periods of time. Most animals were immature and…
Mortality of dolphins and porpoises in coastal fisheries off Peru and southern Ecuador in 1994
Van Waerebeek, Koen; Van Bressem, Marie-Françoise; Félix, Fernando; Alfaro-Shigueto, Joanna; García-Godos, Aquiles; Chávez-Lisambart, Laura; Ontón, Karina; Montes, David; Bello, Ruth
Biological Conservation (1997)
Of 722 cetaceans captured mostly in multi-filament gillnets and landed at Cerro Azul, central Peru, in 87 days during January–August 1994, 82.7% were dusky dolphin Lagenorhynchus obscurus, 12.6% Burmeister's porpoise…
Acoustic alarms reduce porpoise mortality
Kraus, Scott D.; Read, Andrew J.; Solow, Andrew; Baldwin, Ken; Spradlin, Trevor; Anderson, Eric; Williamson, John
Nature (1997)
The most serious danger to dolphins and porpoises around the world is the threat from various forms of gill-net fishing. One potential way to reduce the number of deaths of…
Harbour porpoise (Phocoena phocoena L.) by-catch in set gillnets in the Celtic Sea
Tregenza, N.J.C.; Berrow, S. D.; Hammond, P. S.; Leaper, R.
ICES Journal of Marine Science (1997)
A programme to assess the cetacean by-catch in the Irish and UK set gillnet fisheries in the Celtic Sea was conducted from August 1992 to March 1994 using volunteer observers.…
Deterring harbour porpoises (Phocoena phocoena) from gillnets: Observed reactions to passive reflectors and pingers
Koschinski, S.; Culik, B.
Report of the International Whaling Commission (1997)
Bycatch of harbour porpoises (Phocoena phocoena) occurs in most gillnet fisheries throughout the continental shelf area in the Northern Hemisphere. A few behavioural studies have attempted to ascertain the detection…
A note on the harbour porpoise (Phocoena phocoena) in the coastal waters of Spain
Lens, S.
Report of the International Whaling Commission (1997)
Information on the harbour porpoise in Spanish waters was collected and reviewed, giving an updated list of observations (strandings, incidental catches and sightings) for the period 1978-94 . The species…
Monitoring the movements of harbour porpoises (Phocoena phocoena) with satellite telemetry
Read, A. J.; Westgate, A. J.
Marine Biology (1997)
The movements of nine harbour porpoises, Phocoena phocoena (L.), in the Bay of Fundy and Gulf of Maine were tracked using satellite telemetry. Transmitters were attached to the porpoises in…