ICES Journal of Marine Science (1997)
A programme to assess the cetacean by-catch in the Irish and UK set gillnet fisheries in the Celtic Sea was conducted from August 1992 to March 1994 using volunteer observers.…
First estimates of vaquita abundance
Barlow, Jay; Gerrodette, Tim; Silber, Greg
Marine Mammal Sci (1997)
The abundance of the only population of vaquitas, Gulf of California harbor porpoise (Phocoena sinus), is estimated from four surveys conducted in Mexico between 1986 and 1993, using a variety…
Life history of the vaquita, Phocoena sinus (Phocoenidae, Cetacea)
Hohn, A. A.; Read, A. J.; Fernandez, S.; Vidal, O.; Findley, L. T.
Journal of Zoology (1996)
The vaquita, Phocoena sinus, is the most endangered marine cetacean primarily due to incidental mortality in fishing nets. We examined a sample of 56 vaquitas to study the life history…
The phylogeographic pattern of mitochondrial DNA variation in the Dall’s porpoise Phocoenoides dalli
MCMILLAN, W. O.; BERMINGHAM, E.
Molecular Ecology (1996)
We used 11 restriction endonucleases to study mtDNA variation in 101 Dall's porpoises Phocoenoides dalli from the Bering Sea and western North Pacific. There was little phylogeographic patterning among the…
Trends in abundance of the Gulf of Maine population of harbour porpoise
Olson, P. A.
Master's Thesis - University of Rhode Island (1996)
Hundreds of harbor porpoise die each year as bycatch in the Gulf of Maine's sink gillnet fishery. In recent years, concern has arisen whether the Gulf of Maine population of…
Summary of current knowledge of harbour porpoises in US and Canadian Atlantic waters
Palka, D. L.; Read, A. J.; Westgate, A. J.; Johnston, D. W.
Report of the International Whaling Commission (1996)
This paper summarises current knowledge of the three populations of harbour porpoises in US and Canadian Atlantic waters. During the summer, the populations are centred in the Gulf of Maine/Bay…
Densities and seasonal distribution of harbour porpoises (Phocoena phocoena) in the Swedish Skagerrak, Kattegat and Baltic seas
Berggren, P.; Arrhenius, F.
Report of the International Whaling Commission (1995)
Strip transect aerial surveys were conducted in the Skagerrak and Kattegat Seas for 8 days in June-August, and 2 days in October 1991. Nine sightings of harbour porpoises were recorded…
The Bay of Fundy/Gulf of Maine harbour porpoise (Phocoena phocoena): Some considerations regarding species interactions, energetics, density dependence and bycatch
Brodie, P.F.
Report of the International Whaling Commission (1995)
The numbers of North Atlantic harbour porpoise (Phocoena phocoena) within the Bay of Fundy/Gulf of Maine were considered to be declining as a consequence of bycatch in the sink gillnet…
Population biology and incidental mortality of the vaquita, Phocoena sinus
Vidal, O.
Report of the International Whaling Commission (1995)
This paper reviews available information on the population biology and incidental mortality of the vaquita, Phocoena sinus. A re-examination of previous records and the collection of new records reveals that…
A decline in the abundance of harbor porpoise, Phocoena phocoena, in nearshore waters off California, 1986-93
Forney, K. A.
Fishery Bulletin (1995)
(...) Harbor porpoise, Phocoena phocoena, have been caught incidentally in set gill nets off the central California coast since at least 1958 (Norris and Prescott, 1961). The annual mortality of…