Marine Mammal Sci (1985)
True porpoises are a morphologically distinctive and evolutionarily old group of odontocete cetaceans classified as the family Phocoenidae. They are distinct from members of the family Delphinidae, with which they…
Reproduction in the porpoises (Phocoenidae): Implications for management
GASKIN, D. E.; SMITH, G. J. D.; WATSON, A. P.; YASUI, W. Y.; YURICK, D. B.
Report of the International Whaling Commission (1984)
The population biology of most phocoenid species is still rather poorly understood. It is important that we improve our knowledge in view of concerns which have been expressed in recent…
The harbour porpoise Phocoena phocoena (L.): Regional populations, status, and information on direct and indirect catches
Gaskin, D. E.
Report of the International Whaling Commission (1984)
The distribution of the harbour porpoise Phocoena phocoena (L.). is re-examined using a compilation of all available recent information. Three isolated major populations of this species exist: in the North…
Seasonal changes in density and behavior of harbor porpoise (Phocoena phocoena) affecting census methodology in Glacier Bay National Park, Alaska
Taylor, B. L.; Dawson, P. K.
Report of the International Whaling Commission (1984)
The purpose of this study was to gather base-line life history data on the harbor porpoise. The information presented here describes only those aspects which would affect a census. During…
Incidental take of the Dall’s porpoise and the harbor porpoise by Japanese salmon driftnet fisheries in the western north Pacific
Jones, L. L.
Report of the International Whaling Commission (1984)
Since 1978, the annual incidental take of Dall's porpoises by the Japanese salmon land-based and mothership fisheries has been reported to the International North Pacific Fisheries Commission by the Japan…
Bony nares air pressure and nasal plug muscle activity during click production in the harbour porpoise, Phocoena phocoena, and the bottlenosed dolphin, Tursiops truncatus
Amundin, M.; Andersen, S.H.
Journal of Experimental Biology (1983)
Sound production mechanisms have been studied in two delphinid species - the harbour porpoise, Phocoena phocoena (L.), and the bottlenosed dolphin, Tursiops truncatus (Montagu). It was found that, in both…
Near field, interference, far field and rostrum structure in the echolocation system of cetaceans
Pilleri, G.; Gihr, M.; Kraus, C.
Investigations on Cetacea (1983)
This monograph may be regarded as an important supplement to the book »Echolocation in Whales and Dolphins» by Purves and Pilleri, published by the Academic Press, London, 1983. It contains…
Incidental catch of harbor porpoise, Phocoena phocoena (L.), in herring weirs in Charlotte County, New Brunswick, Canada
Smith, G. J. D.; Read, A. J.; Gaskin, D. E.
Fishery Bulletin (1983)
(...) In this report we examine the indirect exploitation of harbor porpoises, Phocoena phocoena, by the weir fishery for herring (Clupea harengus) in Charlotte County, New Brunswick, in the lower…
An environmental index for habitat utilization by female harbour porpoises with calves near Deer Island, Bay of Fundy
Smith, Gary J. D.; Gaskin, David E.
Ophelia (1983)
The Bay of Fundy is a known area of concentration of Phocoena phocoena during the summer months. In this study, 698 females with calves and 5 473 porpoises of other…
A comparison of aerial, shipboard, and land-based survey methodology for the harbor porpoise, Phocoena phocoena
Kraus, S. D.; Gilbert, J. R.; Prescott, J. H.
Fishery Bulletin (1983)
(...) A review of the status of harbor porpoise, Phocoena phocoena, in the U.S. waters of the western North Atlantic identified substantial information gaps in our knowledge about this species,…