Browsing Fiskeridirektoratets skrifter, Serie Havundersøkelser (1900-1990) by Title
Now showing items 120-139 of 314
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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 ... -
The Haddock in Norwegian Waters - I. Vertebrae Counts and Brood Strength Variations of young fish
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1952)The uniformity in vertebrae number, brood strength and growth which has been shown to exist in young haddock from northern Norway and the Barents Sea implies that these areas are inhabited by one main population. The ... -
The Haddock in Norwegian Waters : Methods in age and growth investigations
(Fiskeridirektoratets skrifter, Serie Havundersøkelser;vol 10 no 9, Research report, 1953) -
The halibut gillnet fishery in West Finnmark. Analysis of landings data from Øksfjord 1955-65
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)1. This study was based on statistics of gill net caught halibut landed at Øksfjord, West Finnmark from 1955 to 1965. For the most recent years some data on relative effort and weight distribution of the catches were ... -
Hemoglobins and serum proteins in four North Atlantic seals, studied by electrophoresis
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1966)Hemoglobins and serum proteins of four species of pinnipeds have been analysed by starch-/agar-gel electrophoresis at pH 9.0, the serum proteins also by agar-gel electrophoresis at pH 6.3. The original purpose of the ... -
The Herring from the Fuglsetfjord - a supplement to "The Østerbø Herring"
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1958) -
Hummer og Hummerkultur
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1936) -
Hydrographic investigations in the Irminger Sea in the years 1954-1964
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1968)1. The data examined consist of hydrographic sections in the western Irminger Sea and serial observations at Ocean Weather Station Alpha (Station A). The sections were worked in the years 1959 and 1961 -1964, and at ... -
Hydrographic-Biological Investigations of the Skagerrak and the Christiania Fiord
(Fiskeridirektoratets skrifter / Serie havundersøkelser, Research report, 1900) -
Hydrographic-Biological Studies of the North Atlantic Ocean and the Coast of Nordland
(Fiskeridirektoratets skrifter / Serie havundersøkelser, Research report, 1900) -
Individual growth rate and age at first sexual maturity in Atlantic salmon
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1978)Growth rates and possible connection between growth rate and age at maturation were studied on individually tagged salmon originating from different river populations. Great variations in growth rate and in age at first ... -
Individual growth rate and age at sexual maturity in rainbow trout
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1979)Growth rate possible connection between growth rate and age at sexual maturity were studied on individually tagged rainbow trout from different sib groups. Considerable variation in growth rate and age at first sexual ... -
Influence of bottom topography on the circulation at the continental shelf off northern Norway
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1984)The three banks Sveinsgrunnen, Malangsgrunnen and Nordvestbanken, which lie off the coast of northern Norway, are separated by troughs. Synoptic hydrographic surveys and data from satellite-tracked buoys drogued in the ...