Marine Mammal Sci (1994)
The rate of occurrence of click trains of two harbor porpoises (Phocoena phocoena) were counted during 14 nights. We developed an echolocation signal detection system that was harnessed to a…
Review of gillnet fisheries and cetacean bycatches in the northeastern Indian Ocean
Lal Mohan, R. S.
Report of the International Whaling Commission (1994)
Small cetaceans and some great whales become entangled and die in gillnets in a variety of fisheries in the northeastern Indtan Ocean. Information on operational details, present status and future…
An investigation into the causes of an unusual porpoise (Phocoena phocoena and Phocoenoides dalli) mortality event in southern British Columbia
Baird, R. W.; Guenther, T. J.; Lewis, R. J.; McAdie, M. L.; Cornish, T. E.
Report No. IIHS3-050 (1994)
Cetacean strandings have typically been classified into two types: 1) single strandings (including a mother/offspring pair); and 2) mass strandings. Singly stranded cetaceans have been reported world-wide wherever populations of…
Mortality of small cetaceans and the crab bait fishery in the Magallanes area of Chile since 1980
Lescrauwaet, A.-C.; Gibbons, J.
Report of the International Whaling Commission (1994)
Since 1974, species of small cetaceans, fur seals, sea lions, sea birds and to some extent sea otters, have been taken deliberately each year for bait in the Chilean artisanal…
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…
Prevalence of morbilliviruses among pinniped and cetacean species
Visser, I. K. G.; Van Bressem, M. F.; Van de Bildt, M. W. G;; Groen, J.; Orvell, C.; Raga, J. A.; Osterhaus, A. D. M. E.;
Revue Scientifique et Technique de l'OIE (1993)
Since 1987, morbillivirus infections have caused serious disease outbreaks with high mortality among aquatic mammals. Baikal seals (Phoca sibirica) in Siberia were involved in an outbreak caused by a virus…
The morphology and geographic distribution of epidermal diatoms of the Dall’s porpoise (Phocoenoides dalli True) in the northern Pacific Ocean
Holmes, R. W.; Nagasawa, S.; Takano, H.
Bulletin of the National Science Museum, Tokyo, Series B (1993)
The morphology of diatoms which consistently occur in circular to oval colonies on the skin of North Pacific Dall's porpoise was examined. Two previously described cetacean diatoms Stauroneis aleutica Nemoto…
Abundance estimates of Pacific white-sided dolphin, northern right whale dolphin, Dall’s porpoise and northern fur seal in the north Pacific, 1987-1990
Buckland, S.T.; Cattanach, K.L.; Hobbs, R.C.
Bulletin of the International North Pacific Fisheries Commission (1993)
Line transect analysis was applied to the 1987-1990 North Pacific marine mammal sightings survey data, with a regression adjustment for size-biased sampling of schools. Abundance of Pacific white-sided dolphins is…
Catch and struck-and-lost rate in the Japanese Dall’s porpoise hand-harpoon fishery
Fujise, Y.; Ishikawa, H.; Saino, S.; Kawasaki, M.
Report of the International Whaling Commission (1993)
Data from surveys conducted between 1989 and 1992 were used to examine fishing mortality and struck-and-lost rates in three major operating grounds of the Japanese Dall's porpoise harpoon fishery. The…