Blar i Fiskeridirektoratets skrifter, Serie Havundersøkelser (1900-1990) på tittel
Viser treff 12-31 av 314
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Angular measures of dorsal aspect target strength functions of fish
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1980)Three angular measures of dorsal aspect target strength functions in the pitch plane are computed for previously gathered acoustic data on three gadoid fishes, two clupeoid fishes, and mackerel. These measures are the ... -
Animal Plankton of the Norwegian Coast Warers and the Open Sea. I - Production of Calanus finmarchicus (Gunner) and Calanus hyperboreus (Krøyer) in the Lofoten Area
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1934)1) The general part of the present work contains a discussion of the general laws controlling the geographical distribution and the production within a certain marine area of zooplanctonic species, illustrated by ... -
The Annual Phytoplankton Cycle of a Landlocked Fjord near Bergen (Nordåsvatn)
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1952)1. Quantitative phytoplankton records for 1941 and 1942 from Nordåsvatn near Bergen were used for a discussion of the annual phytoplankton cycle of this land-locked fjord. 2. Ice covered the surface till late in April ... -
Another modification of the Scholander-Roughton technique: Nitrogen determination in fish blood
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1960) -
Artificial Propagation of Cod - Some recent results of the liberation of larvae
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1963) -
Aspects of the life history of the local herring stock in Lindåspollene, western Norway
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1978)LIE, U., DAHL, O. and ØSTVEDT, O.J. 1978. Aspects of the life history of the local herring stock in Lindåspollene, western Norway. Fisk.Dir. Skr. Ser. Hav.Unders., 16: 369-404. Gill net and purse seine samples were ... -
The autumn spawning group of herring in the northeastern North Sea
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969) -
Avoidance of petroleum hydrocarbons by the cod (Gadus morhua)
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1986)The experimental fish were held in two different aquaria, one with three and one with two compartments. Water containing "water soluble fraction" of Fuel Oil No. 2 was introduced in one of the compartments. By means of ... -
Balanus balanoides (L.) on the Atlantic coast of France: Further observations on the small isolated population at the southern limit of its distribution at Arcachon
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)Balanus Balanoides is present as a small, isolated and even locally restricted population on the west coast of France at Arcachon. Observations of the past few years indicate an increase in numbers. Growth and survival ... -
A barents sea fish resources and migration model - developed with special reference to oil activity
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1990)A model is developed on the basis of distributions of fish resources and temperatures observed during surveys in the Barents Sea over the period 1983-1987. It is found to be useful (although not detailed enough, due to ... -
The behaviour of Norway lobster towards baited creels and size selectivity of creels and trawl
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1986)The behaviour of Norway lobster (Nephrops norvegicus L.) towards baited creels was studied by underwater television at three different localities. A typical nocturnal activity pattern was observed. Most of the individuals ... -
Beskatningen av skreibestanden - Hva merkeforsøk i Lofoten viser, foreløpig rapport
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1953)Since 1947 annual tagging experiments have been carried out on the cod occurring on the Lofoten Banks during the spawning season. We want inter alia to examine the extent to which the fishermen exploit this stock of ... -
Bestemmelse av kalsium i sjøvann
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1947)Av de undersøkelser som her er foretatt framgår det at kalsium i sjøvann kan bestemmes på følgende måte: 100 ml sjøvann tas ut og fortynnes til 200 Ml, tilsettes 10 ml kons. saltsyre og 65 ml 10 % ammoniumoksalat. Ved ... -
The biology of salmon from Southern Norway : Fluctuations in age and growth
(Fiskeridirektoratets skrifter, Serie Havundersøkelser;vol 9 no 5, Research report, 1949) -
Chemical and Microbiological Investigations on the Curing of Herring
(Report on Norwegian Fishery- and Marine-Investigations, Research report, 1900) -
Coastal Cod and Skrei in the Lofoten Area
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1964)1) Otolith samples and length measurement of cod taken in Lofoten during March-April 1960 and 1961 by long line/purse seine and Danish seine are studied together with the recaptures of cod tagged in the same years from ... -
Cod Populations - Identified by a Chemical Method
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1956)The chemical composition of the muscle of cod varies according to the different localities. First we have a very definite difference in the chromatographic pattern of cod-muscle between cod from the southern waters ... -
Comparative analysis of year-class strength among fish stocks in the North Atlantic
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1971)A comparative analysis of year-class strength among stocks of abundant fish species (herring, cod, haddock, saithe, redfish and capelin) in the North Atlantic is given with a view to discussing whether covariation in ... -
A comparative study on the disposition of three aromatic hydrocarbons in flounder (Platichthys flesus)
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1984) -
Comparison of blood proteins from east and west Atlantic populations of Hippoglossoides platessoides
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1974)Hemoglobins, serum proteins and serum esterase of Hippoglossoides platessoides from the eastern and western part of the North Atlantic were analyzed by gel-electrophoresis. Great variety were observed among specimens, ...