Blar i Fiskeridirektoratets skrifter, Serie Havundersøkelser (1900-1990) på tittel
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Fiskeridirektoratets skrifter serie havundersøkelser vol. 18, no. 6
(Fiskeridirektoratets skrifter, Serie Havundersøkelser;vol 18 no 6, Research report, 1987) -
Fiskeridirektoratets skrifter serie havundersøkelser vol. 18, no. 8
(Fiskeridirektoratets skrifter, Serie Havundersøkelser;vol 18 no 8, Research report, 1988) -
The fluctuation of year-classes and the regulation of fisheries
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)There are three sources of variation of recruitment; first that due to random fluctuations alone, secondly that, due to variations in stock and thirdly variations which are extreme at low and high levels of stock and if ... -
Fluctuations in year-class strength of cod and pollack in southeastern Norwegian coastal waters during 1920-1969
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1971)TVEITE, S. 1971. Fluctuations in year-class strength of cod and pollack in southeastern Norwegian coastal waters during 1920-1969. FiskDir. Skr. Ser. HavUnders., 16: 65-76. From 1920 a small beach seine has every ... -
Fog Forecasting and Sea-Surface Temperature
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1944) -
Food and feeding habits of young saithe, Pollachius virens (L.), on the coast of western Norway
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1987)The stomach contents of young saithe (both I- and II-group, but mainly II-group) from two areas, denoted A and B, on the western coast of Norway have been analysed. When these juvenile saithe become two or more often ... -
Food and feeding of young herring larvae of Norwegian spring spawners
(Research report, 1978)The gut contents of young herring larvae sampled each hour from 3 to 9 April 1967 at three depth intervals around a floating drogue were examined to study their feeding. Copepod eggs constituted more than 90% of the food ... -
The Food of Cod (Gadus callarias L.) of the 0-II-Group from deep Water in some Fjords of Northern Norway - With one Appendix - Oothrix borealis n. sp. - a bottom-dwelling Copedod from Northern Norway
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1949)An analysis has been made of the stomach contents of cod, chiefly of the 0-group, some also of the I-II groups from deep water in some fjords in North Norway during the years 1946-1949. The cod were all caught in the ... -
Food uptake, growth and survival of capelin larvae (Mallotus villosus Müller) in an outdoor constructed basin
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1982)An experiment with a population of capelin larvae was carried out in an outdoor basin of 2000 m³ 1979. Data on food uptake, growth and survival of capelin larvae were collected over a period of 127 days. The first sample ... -
The formation and the disappearance of a stock unit of Norwegian herring, with a section on herring migrations east of Iceland by Jakob Jakobsson
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1968)1. On February 2nd 1963 mature herring belonging to the Atlanto- Scandian herring were located off Finnmark between North Cape and Sørøy. 2. The herring arrived in the Røst Bank-Lofoten area, where it was recorded ... -
Frequency curves in herring investigation
(Report on Norwegian Fishery and Marine Investigations;vol 3 no 4, Research report, 1924) -
Further studies on blood protein polymorphism in sprat
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1970) -
The gas bladder as a hydrostatic organ in Thymallus thymallus L., Osmerus eperlanus L. and Mallotus villosus Müll
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1968)1. The gas bladder of Thymallus thymallus is investigated concerning the topography, vascularization, histology and histochemistry. Simple micro-retia mirabilia are found, forming a counter-current vascular system of ... -
The gas content in the coregonid swimbladder
(Fiskeridirektoratets skrifter, Serie Havundersøkelser;vol 15 no 3, Research report, 1969) -
The grey seal, Halichoerus grypus (Fabricius), in Finnmark, Norway
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1987)The distribution, abundance and breeding season of grey seals in Finnmark, Norway are reviewed. The seals are divided into eight hypothetical stocks: Sørøya, Magerøya, Laksfjord, Tanafjord, Kongsfjord, Syltefjord, Vardø ... -
The grey seal, Halichoerus grypus (Fabricius), in Rogaland, Norway
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1987)Surveys of grey seals in Rogaland, southwestern Norway, are reviewed. The highest numbers of adult seals have been observed in the spring, while far less are generally observed during the breeding season in the autumn. ... -
Growth and survival studies on 0-group plaice (Pleuronectes platessa L.) in a small basin with a closed ecosystem
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1978)A growth and survival experiment on 0-group plaice was carried out in a small basin during the summer of 1976. The volume of the basin was about 25 m³, and the seawater was left stagnant during the summer. Of the initial ... -
Growth of sockeye salmon in relation to abundance in the Kvichak district, Bristol Bay, Alaska
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)1. Catch and escapement of Kvichak River sockeye salmon (Oncorhynchus nerka) and smolt production from Iliamna Lake, the nursery area, have been determined annually since 1955. Since 1962, information has been collected ... -
Growth rate and age at sexual maturity of Atlantic salmon smoltifying aged one and two years
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1979)Post-smolt growth rate and age at first maturation are compared for sib groups or population groups of salmon originating from Norwegian rivers and fish farms. Generally, high correlations were found between corresponding ... -
Growth, production and reproduction of the myctophid fish Benthosema glaciale from western Norway and adjacent seas
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1981)Age, growth, mortality, production and reproduction were studied on material of Benthosema glaciale from some fjords of western Norway and from the adjacent ocean. Samples were collected using pelagic trawls and Icaacs-Kidd ...