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…
External morphology of Dall’s porpoise (Phocoenoides dalli): Growth and sexual dimorphism
Amano, Masao; Miyazaki, Nobuyuki
Canadian Journal of Zoology (1993)
We studied development and sexual dimorphism in external measurements of Dall's porpoises (Phocoenoides dalli) from the northwestern North Pacific. Relative rates of increase in the measurements of the head and…
Histological investigations on the thyroid glands of marine mammals (Phoca vitulina, Phocoena phocoena) and the possible implications of marine pollution
Schumacher, U.; Zahler, S.; Horny, H.-P.; Heidemann, G.; Skirnisson, K.; Welsch, U.
Journal of Wildlife Diseases (1993)
In 1988 and 1989, thousands of harbor seals (Phoca vitulina) died in the North Sea from phocine distemper infection. The morphology of thyroid glands from 40 harbor seals found dead…
Evidence of Poxvirus in dusky dolphin (Lagenorhynchus obscurus) and Burmeister’s porpoise (Phocoena spinipinnis) from coastal Peru
Van Bressem, Marie-Françoise; Van Waerebeek, Koen; Reyes, Julio C.; Dekegel, Daniel; Pastoret, Paul-Pierre
Journal of Wildlife Diseases (1993)
In 1990, 74 dusky dolphins (Lagenorhynchus obscurus) and 10 Burmeister's porpoises (Phocoena spinipinnis) were examined for the presence of hyperpigmented marks and pinhole lesions on the skin (tattoo lesions) at…
Growth and reproduction of three populations of finless porpoise, Neophocaena phocaenoides, in Chinese waters
Gao, Anli; Zhou, Kaiya
Aquatic Mammals (1993)
We have 189 specimens available for this work. One-hundred and sixty-seven specimens from the Yangtze, Yellow Sea and South China Sea populations were aged and used in studying the growth…
Investigations on the osteology and the functional morphology of the flipper of whales and dolphins (Cetacea)
Benke, H.
Investigations on Cetacea (1993)
Of the 79 recent species of cetaceans 51 have been examined relative to the osteology of the flipper and the scapula and, in addition to this, video-recordings of 13 different…