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…
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.…
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…
Geographical variation of the harbor porpoise, Phocoena phocoena, evaluated by discriminant analysis
Gao, Anli; Gaskin, D. E.
Marine Mammal Sci (1998)
(...) In the preceding communication K. A. Tolley states (twice) that Gao and Gaskin (1996) committed “serious interpretive errors that neither support their results nor the recent literature.” Needless to…
Documenting the bycatch of harbor porpoises, Phocoena phocoena, in coastal gillnet fisheries from stranded carcasses
Cox, T. M.; Read, A. J.; Barco, S.; Evans, J.; Gannon, D. P.; Koopman, H. N.; McLellan, W. A.; Murray, K.; Nicolas, J.; Pabst, D. A.; Potter, C. W.; Swingle, W. M.; Thayer, V. G.; Touhey, K. M.; Westgate, A. J.
Fishery Bulletin (1998)
We examined 107 harbor porpoise (Phocoena phocoena) carcasses recovered from beaches in Maryland, Virginia, and North Carolina between 1994 and 1996 for evidence of entanglement in fishing gear. Stranded porpoises…
Stenurus minor (Metastrongyloidea: Pseudaliidae) infections of the cranial sinuses of the harbour porpoise, Phocoena phocoena
Faulkner, Jacqueline; Measures, Lena N.; Whoriskey, Fred G.
Canadian Journal of Zoology (1998)
Seventy-eight harbour porpoises, Phocoena phocoena (33 females, 45 males), were obtained in summer (June-September) as incidental by-catch from the cod fishery in the Gulf of St. Lawrence and examined for…
Diurnal feeding by Dall’s porpoise, Phocoenoides dalli
Amano, Masao; Yoshioka, Motoi; Kuramochi, Toshiaki; Mori, Kyoichi
Marine Mammal Sci (1998)
(...) It has been hypothesized that Dall's porpoises forage mostly at night or at dawn, because porpoises taken in the morning tended to have a larger amount of food remains…
Observations of parturition and related behaviors of finless porpoise (Neophocaena phocaenoides) in Enoshima Aquarium, Japan
Yang, Jian; Zhang, Xian-Feng; Hori, Yukiko; Fujimoto, Asami
Oceanologia et Limnologia Sinica (1998)
A pregnant finless porpoise (Neophocaena phocaenoides), whose body length (BL) was 1.63 m and body weight (BW) was 75.8 kg, gave birth to a female calf successfully in Enoshima Aquarium,…
Distribution and abundance of and habitat use by harbor porpoise, Phocoena phocoena, off the northern San Juan Islands, Washington
Raum-Suryan, K. L.; Harvey, J. T.
Fishery Bulletin (1998)
Boat surveys along randomly placed line transects were conducted from June to August 1991 and June to October 1992 to determine distribution and abundance of and habitat use by harbor…
Dall’s porpoise reactions to tagging attempts using a remotely-deployed suction-cup tag
Hanson, M. Bradley; Baird, Robin W.
Marine Technology Society Journal (1998)
Remotely-deployable non-invasive (suction-cup attached) tags to record underwater behavior of cetaceans have recently been developed. How useful these tags are for applications on a broad range of species has yet…