Accession Number : AD0776221

Title :   The Migratory Character of the Baltic Population of the Porpoise, 'Phocoena phocoena' (L.) (Migracyjny Charakter Baltyckiej Populacji Morswina, 'Phocoena phocoena' (L.)),

Corporate Author : NAVAL OCEANOGRAPHIC OFFICE WASHINGTON D C

Personal Author(s) : Wolk,Krzysztof

Report Date : 1974

Pagination or Media Count : 8

Abstract : Data on the migratory variations of the Baltic population of the porpoise Phocoena phocoena (L.) are obtained by catches, sightings and animal markings. Fluctuations in the quantity of porpoises in the Baltic vary according to seasonal temperatures, food supply, commercial catches, ice conditions, and migrations. (Author)

Descriptors :   *Porpoises, Aquatic animals, Cetacea, Seasonal variations, Baltic Sea, USSR, Translations

Subject Categories : Biology

Distribution Statement : APPROVED FOR PUBLIC RELEASE