Browsing Brage IMR by Author "Jacobsen, Njål Oftedal"
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Estimates of pup production, age at first parturition and natural mortality for hooded seals in the west ice
Jacobsen, Njål Oftedal (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1984)An analysis of the population of hooded seals breeding in the West Ice near Jan Mayen was carried out on the basis of catch statistics for 1946-1978 and age samples comprising a total of 5 094 four years old and older ...