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Porpoise.org Porpoise Conservation Society
  • About Porpoises
    • Harbour Porpoise
    • Dall’s Porpoise
    • Spectacled Porpoise
    • Burmeister’s Porpoise
    • Vaquita
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      • Save the Vaquita Porpoise
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Porpoise Research Library

Showing entries tagged with "growth". 75 entries found.
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  • All species
  • P. spinipinnis 92
  • P. dalli 131
  • P. phocoena 729
  • N. phocaenoides 97
  • N. asiaeorientalis 181
  • P. dioptrica 46
  • P. sinus 123
  • Date added
  • Year of publication

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,…

  • Phocoena phocoena
  • growth

Aspects of the morphology, body fat condition and biology of the harbour porpoise, Phocoena phocoena, in British waters

Lockyer, C.
Report of the International Whaling Commission (1995)

Specimens of harbour porpoises, Phocoena phocoena, from both strandings and bycatch in fisheries around the United Kingdom between 1985 and 1994 have been examined. Full autopsies were undertaken on most…

  • Phocoena phocoena
  • growth
  • morphology

Investigation of aspects of the life history of the harbour porpoise, Phocoena phocoena, in British waters

Lockyer, C.
Report of the International Whaling Commission (1995)

Specimens of harbour porpoises, Phocoena phocoena, from strandings and bycatches in fisheries around the British Isles between 1985 and September 1994 have been examined. Full autopsies were undertaken on most…

  • Phocoena phocoena
  • growth
  • life history
  • reproduction

Growth of the harbour porpoise (Phocoena phocoena) in eastern Newfoundland, Canada

Richardson, S F; Stenson, G B; Hood, C
NAMMCOSP (2003)

Although the stock relationships among harbour porpoise (Phocoena phocoena) in the Northwest Atlantic are unknown, it has been postulated that there are 4 local populations: Bay of Fundy/Gulf of Maine,…

  • Phocoena phocoena
  • growth

Growth and reproduction in harbour porpoises (Phocoena phocoena) in Icelandic waters

Ólafsdóttir, Droplaug; Víkingsson, Gísli A; Halldórsson, Sverrir Daníel; Sigurjónsson, Jóhann
NAMMCOSP (2003)

A total of 1,268 harbour porpoises were obtained from fishing nets in Icelandic coastal waters from September to June in the years 1991 to 1997. Foetal sex ratio was 1.2:1…

  • Phocoena phocoena
  • growth
  • reproduction

Life history and ecology of harbour porpoises (Phocoena phocoena) from West Greenland

Lockyer, C; Heide-Jørgensen, M P; Jensen, J; Walton, M J
NAMMCOSP (2003)

During 1988, 1989 and 1995, 187 harbour porpoises (Phocoena phocoena) were sampled from the catches off West Greenland. The samples were taken in 3 areas between 62° N and 70°…

  • Phocoena phocoena
  • feeding
  • growth
  • reproduction

Status, ecology and life history of harbour porpoise (Phocoena phocoena), in Danish waters

Lockyer, Christina; Kinze, Carl
NAMMCOSP (2003)

A review of historical harbour porpoise catches in Danish waters, together with current distribution, are provided. Most information on distribution is derived from historical catch data with a total of…

  • Phocoena phocoena
  • bycatch
  • capture
  • distribution
  • feeding
  • growth
  • history
  • life history
  • mortality
  • parasites
  • reproduction
  • stranding

Monitoring growth and energy utilisation of the harbour porpoise (Phocoena phocoena) in human care

Lockyer, Christina; Desportes, Geneviève; Hansen, Kirstin; Labberté, Sabrina; Siebert, Ursula
NAMMCOSP (2003)

Two harbour porpoises of an estimated age of 1-2 years were held in captivity from April 1997 and were still alive in April 2002, after rescue from pound nets set…

  • Phocoena phocoena
  • behaviour
  • feeding
  • growth

Morphogenesis of the brain in the harbour porpoise

Buhl, Eberhard H.; Oelschläger, Helmut A.
Journal of Comparative Neurology (1988)

Morphogenesis of the brain in a cetacean species has been investigated by means of reconstructions from serial sections of successive prenatal stages of the harbour porpoise (Phocoena phocoena). Four specimens…

  • Phocoena phocoena
  • comparison
  • growth
  • neurology

Ontogenetic development of the nervus terminalis in toothed whales

Buhl, E. H.; Oelschläger, H. A.
Anatomy and Embryology (1986)

For the first time in cetaceans, the development of the terminalis system and its continuity between the olfactory placode and the telencephalon has been demonstrated by light microscopy. In the…

  • Phocoena phocoena
  • comparison
  • dolphin
  • growth
  • neurology
  • smell
  • whale

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