Marine Mammal Sci (1992)
Two hundred and eighty-nine skulls of Dall's porpoises from the North Pacific Ocean, Sea of Japan, Sea of Okhotsk, and Bering Sea were investigated morphometrically. A clear pattern of geographic…
Harbour porpoise (Phocoena phocoena) densities obtained from aerial surveys north of Fyn and in the Bay of Kiel
Heide-Jørgensen, M.-P.; Mosbech, A.; Teilmann, J.; Benke, H.; Schultz, W.
Ophelia (1992)
Aerial surveys covering 5117 linear kilometers were conducted at 91 and 183 m altitude under optimal sighting conditions in an area north of Fyn, Denmark, and in the Bay of…
Status of small cetacean populations in the Black Sea: Review of current information and suggestions for future research
Buckland, S. T.; Smith, T. D.; Cattanach, K. L.
Report of the International Whaling Commission (1992)
The available information on the status of populations of three species of dolphins in the Black Sea is reviewed. These populations were subject to a commercial fishery from 1870 to…
A questionnaire survey on the distribution of the finless porpoise, Neophocaena phocaenoides, in Japanese waters
Shirakihara, Kunio; Yoshida, Hideyoshi; Shirakihara, Miki; Takemura, Akira
Marine Mammal Sci (1992)
(...) The finless porpoise (Neophocaena phocaenoides) shows a decidedly inshore distribution pattern (Kasuya and Kureha 1979), occurring in coastal waters frequented by fishermen. Its lack of a beak and a…
First record of a truei-type Dall’s porpoise from the eastern north Pacific
Szczepaniak, Isidore D.; Webber, Marc A.; Jefferson, Thomas A.
Marine Mammal Sci (1992)
(...) On 28 August 1989, we were informed by California State Park Ranger Robert Breen that a small porpoise had washed ashore at the James Fitzgerald Marine Reserve, San Mateo…
The elusive harbour porpoise exposed: Strip transect counts off southwestern Ireland
Leopold, M. F.; Wolf, P. A.; Van Der Meer, J.
Netherlands Journal of Sea Research (1992)
Harbour Porpoises Phocoena phocoena were counted along a 270-km-long transect around southwestern Ireland on 17 July 1989, a day with exceptionally favourable weather conditions. A total of 251 porpoises were…
Segregative migration of Dall’s porpoise (Phocoenoides dalli) in the Sea of Japan and Sea of Okhotsk
Amano, Masao; Kuramochi, Toshiaki
Marine Mammal Sci (1992)
Dall's porpoises from the Sea of Japan population taken by a dolphin fishery vessel were examined. Estimated body lengths at sexual maturity were similar to those for the truei-type population…
An unusual aggregation of harbor porpoises (Phocoena phocoena)
Hoek, Wyb
Marine Mammal Sci (1992)
(...) The harbor porpoise (Phocoena phocoena) is found in coastal temperate and subarctic waters of the Northern Hemisphere (Gaskin et al. 1974). Although the species’ biology has been well documented…
Facial anatomy and potential function of facial structures for sound production in the harbor porpoise (Phocoena phocoena) and Dall’s porpoise (Phocoenoides dalli)
Curry, Barbara E.
Can. J. Zool. (1992)
Structural modifications of the odontocete skull and nasal passages have shifted the position of the facial bones and associated soft anatomy to the dorsal aspect of the head. The facial…
Records of the finless porpoise (Neophocaena phocaenoides) in the waters adjacent to Kanmon Pass, Japan
Shirakihara, Miki; Shirakihara, Kunio; Takemura, Akira
Marine Mammal Sci (1992)
(...) The finless porpoise (Neophocaena phocaenoides) is found in the Inland Sea of Japan (Kasuya and Kureha 1979), but has not previously been confirmed to occur in the southwestern part…