Report of the International Whaling Commission (1994)
Incidental catches of harbour porpoise by commercial fisheries in the Estuary and Gulf of St. Lawrence, Canada were examined. Two questionnaires, one in 1989 and one in 1990, were sent…
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…
A review of factors involved in zonation in Odontocete teeth, and an investigation of the likely impact of environmental factors and major life events on harbour porpoise tooth structure
Lockyer, C.
Report of the International Whaling Commission (1995)
Variation in zonation and Growth Layer Group (GLG) formation and underlying causes are reviewed. Five different types of anomaly were investigated in the teeth of harbour porpoise (Phocoena phocoena): pulp…
Study of the cranial sinus nematode, Stenurus minor (Metastrongyloidea), in the harbour porpoise, Phocoena phocoena
Faulkner, J.
Master's Thesis - McGill University (1995)
Seventy-eight harbour porpoises, Phocoena phocoena, (33 females, 45 males) were obtained from the summer (June-September) cod fishery incidental-by-catch in the Gulf of St. Lawrence, and examined for the presence of…
An assessment of the status of the harbour porpoise in central California
Barlow, J.; Hanan, D.
Report of the International Whaling Commission (1995)
Harbour porpoise (Phocoena phocoena) in California are subject to incidental mortality in gillnet fisheries. The status of this population is uncertain. We review information on population structure and conclude that…
Procedures and techniques applied by NINA for cutting, staining, mounting and ageing porpoise teeth
Kvam, T.
Report of the International Whaling Commission (1995)
Age determination of terrestrial mammals based on growth layers in the teeth has been a routine technique at NINA in Trondheim for many years. This paper describes how this well…
Exploitation of harbour porpoises (Phocoena phocoena) in Danish waters: A historical review
Kinze, C.C.
Report of the International Whaling Commission (1995)
Historically harbour porpoises have been taken at six major catch sites in Danish waters. The most important site, in the northern Little Belt at Middelfart, was first mentioned in 1357…