Blar i Fiskeridirektoratets skrifter, Serie Havundersøkelser (1900-1990) på forfatter "Haraldsvik, Steinar"
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The autumn spawning group of herring in the northeastern North Sea
Haraldsvik, Steinar (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969) -
Norwegian tagging experiments in the north-eastern North Sea and Skagerak, 1964 and 1965
Dragesund, Olav; Haraldsvik, Steinar (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1968)1. Norwegian herring tagging experiments carried out with internal metal tags in Skagerak in 1964 and 1965 are described. 2. The returns from these taggings up to 31 October 1966 are reviewed and factors affecting the ... -
Relation between the Norwegian spring-spawning stock and the spring-spawning group of herring in the north-eastern North Sea
Haraldsvik, Steinar (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1968)1. Age composition, number of vertebrae, age at first maturity, scale type and growth characteristics for the spring-spawned herring in the north-eastern North Sea in 1961-1963 have been analysed. 2. Some of these ...