Marine Mammal Sci (2001)
(...) Harbor porpoises are assumed to have colonized the Black Sea from the Atlantic Ocean (Gaskin 1982, Rosel 1997). This hypothesized relationship is based on both geographical proximity and genetic…
Current knowledge on harbour porpoises (Phocoena phocoena) in the Baltic Sea
Koschinski, Sven
Ophelia (2001)
Concern has been raised about the long-term viability of the harbour porpoise population in the Baltic Sea. Bycatch at possibly unsustainable levels, contaminants, overfishing of prey species and disturbance have…
Trends in the maternal investment of harbour porpoises are uncoupled from the dynamics of their primary prey
Read, A. J.
Proceedings of the Royal Society B: Biological Sciences (2001)
Harbour porpoises in the Bay of Fundy and Gulf of Maine feed primarily on Atlantic herring. Herring stocks have undergone dramatic fluctuations in abundance over the past three decades due…
Post-mortem findings in harbour porpoises (Phocoena phocoena) from the German North and Baltic Seas
Siebert, U.; Wünschmann, A.; Weiss, R.; Frank, H.; Benke, H.; Frese, K.
Journal of Comparative Pathology (2001)
Between 1991 and 1996, necropsies were performed on 445 harbour porpoises (Phocoena phocoena), in various states of preservation, stranded on German coasts or accidentally caught by German fishermen. The animals…
Oxygen consumption and swim speed of the harbor porpoise Phocoena phocoena
Otani, Seiji; Naito, Yasuhiko; Kato, Akiko; Kawamura, Akito
Fisheries Science (2001)
The rate of oxygen consumption and energetic cost of locomotion of captive harbor porpoises Phocoena phocoena were studied in Hokkaido, Japan, using respirometry together with externally attached devices (a data…
Experimental testing of acoustic alarms (pingers) to reduce bycatch of harbour porpoise, Phocoena phocoena, in the state of Washington
Gearin, P. J.; Gosho, M. E.; Laake, J. L.; Cooke, L.; DeLong, R. L.; Hughes, K. M.
Journal of Cetacean Research and Management (2000)
Field tests were conducted on the effectiveness of acoustic alarms (pingers) in reducing the incidental catch of harbour porpoise (Phocoena phocoena) in a salmon gillnet fishery in northern Washington in…
The use of time/area closures to reduce bycatches of harbour porpoises: lessons from the Gulf of Maine sink gillnet fishery
Murray, K. T.; Read, A. J.; Solow, A. R.;
Journal of Cetacean Research and Management (2000)
In 1994, the United States National Marine Fisheries Service (NMFS) implemented a series of time/area closures for the Gulf of Maine sink gillnet fishery to reduce the bycatch of harbour…
Pulmonary pathology of harbour porpoises (Phocoena phocoena) stranded in England and Wales between 1990 and 1996
Jepson, P. D.; Kuiken, T.; Bennett, P. M.; Baker, J. R.; Simpson, V. R.; Kennedy, S.
Veterinary Record (2000)
The pathological changes observed in the lungs of 197 freshly dead to moderately decomposed harbour porpoises (Phocoena phocoena) stranded in England and Wales between October 1990 and December 1996 were…
Ingestion of plastic and unusual prey by a juvenile harbour porpoise
Baird, Robin W.; Hooker, Sascha K.
Marine Pollution Bulletin (2000)
(...) On 11 September 1997, a harbour porpoise was found dead on a beach near Pictou, Nova Scotia, Canada (45° 41′N, 62° 42′W), bordering Northumberland Strait in the Gulf of…
Diving behavior and swimming speed of a free-ranging harbor porpoise, Phocoena phocoena
Otani, Seiji; Naito, Yasuhiko; Kato, Akiko; Kawamura, Akito
Marine Mammal Sci (2000)
(...) Our understanding of cetacean diving behavior has recently increased (Westgate et al. 1995, Heide-Jorgensen and Dietz 1995, Davis et al. 1996). However, there are few reports which measured swim…