Marine Mammal Sci (1994)
(...) Little data exists on the swimming movements of dolphins and whales. The earliest record of cetacean swimming kinematics came from Parry (1949), who observed the swimming motions of a…
Phylogenetic relationships among the true porpoises (Cetacea: Phocoenidae)
Rosel, P; Haygood, M; Perrin, W
Molecular Phylogenetics and Evolution (1995)
Portions of the cytochrome b gene and control region of the mitochondrial DNA molecule were sequenced to investigate systematic relationships among the six extant species of true porpoises, (Cetacea: Phocoenidae).…
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…
Distribution and abundance of harbour porpoise, Phocoena phocoena, in Norwegian waters
Bjorge, A.; Oien, N.
Report of the International Whaling Commission (1995)
This paper presents information on the distribution of harbour porpoise in Norwegian coastal and adjacent waters based on incidental sightings during the period 1964-1968, bycatches in the driftnet salmon fishery…
Pollution and harbour porpoises in the eastern north Atlantic: A review
Aguilar, A.; Borrell, A.
Report of the International Whaling Commission (1995)
Published data on concentrations of organochlorine compounds and heavy metals in tissues of harbour porpoises from the eastern North Atlantic are reviewed. The dynamics of pollutants in this population are…
New approaches to studying the foraging ecology of small cetaceans
Read, Andrew J.
Developments in Marine Biology (1995)
Dolphins and porpoises spend the majority of their lives underwater, out of the view of human observers. Consequently, scientists have relied on indirect means to study the foraging ecology of…
Sightings of harbour porpoises (Phocoena phocoena) in Swedish waters before 1990
Berggren, P.; Arrhenius, F.
Report of the International Whaling Commission (1995)
This paper examines trends in abundance and distribution of harbour porpoises in Swedish waters. Returns from questionnaires suggested a decline in number of sightings per year in all areas around…
Diet of the harbour porpoise Phocoena phocoena in Scandinavian waters
Aarefjord, H.; Bjørge, A.; Kinze., C. C.; Lindstedt, I.
Report of the International Whaling Commission (1995)
In this paper we report findings on the diet of the harbour porpoise (Phocoena phocoena) in Danish, Swedish and Norwegian waters. The study is based on stomach contents from 247…
Report of the harbour porpoise age determination workshop, Oslo, 21-23 May 1990
Bjorge, A.; Hohn, A.A.; Kvam, T.; Lockyer, C.; Schweder, T.; Aarefjord, H.
Report of the International Whaling Commission (1995)
A workshop on age determination in harbour porpoises (Phocoena phocoena) was held in Oslo, Norway, 21-23 May 1990. During the workshop, the principles of formation of dental layers were reviewed,…
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…