Blar i Fiskeridirektoratets skrifter, Serie Havundersøkelser (1900-1990) på tittel
Viser treff 251-270 av 314
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Some biological aspects of cod larvae (Gadus morhua L.)
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1980)The development of functional larval stages is described in relation to different yolk sac stages. Morphological and histological work has been done concomitantly with the observation on the larval feeding behaviour. ... -
Some Observations on Cod in Northern Waters - Preliminary Report
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1934) -
Some Observations on the Food of Cod (Gadus callarias L.) of the 0-II-group from Deep Water and the Littoral Zone in Northern Norway and from Deep Water at Spitzbergen
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1948) -
Some Observations on the Iceland scallop Chlamys islandica (Müller) in Norwegian waters
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1963)An investigation has been started on the Iceland scallop, Chlamys islandica (O. F. Müller). In northern Norway this species is mainly found in fjords with a narrow sill at the entrance and on a bottom with sand, gravel ... -
Some Technological Aspects of the Norwegian Tuna Purse Seining Fishery
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1963) -
Sources of variation in weight and length of Atlantic salmon
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1983)Variances of weight and total length of four year classes of farmed Atlantic salmon after two years in the sea were distributed on strain, family, maturing/immature (after two winters) and sex. Higllly significant ... -
Soviet tagging of harp and hooded seals in the North Atlantic
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1971)In 1960-1968, 2 705 harp seal pups and 55 adult female harp seals were tagged in the White Sea. At Newfoundland 79 harp seal pups were tagged in 1963, and in the Jan Mayen area of the Greenland Sea 50 hooded seal pups ... -
The Spawning Zone in Cod Otoliths and Prognosis of Stock
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1935) -
Sprat from Norwegian Waters - An Analysis of Vertebrae Counts
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1951)The present report gives a review of some results of the vertebrae counts of sprat from the years 1927-1949. Within each sample of sprat of the 0-group there is generally a positive correlation between the size of the ... -
A staging system for larval cod (Gadus morhua L.)
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1986)A staging system of larval cod is described. The system is based on the resorption of the yolk mass and the cell layers surrounding it combined with eye, mouth and gut development. A determination key is given. Each stage ... -
Standard calibration of echo sounders and integrators with optimal copper spheres
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1983)Calibration of fisheries echo sounders and integrators by means of optimal copper spheres is reviewed. The standard procedure is elaborated. Maintenance of O.1 dB precision is described for a wide range of temperatures ... -
Stock size fluctuations and rate of exploitation of the norwegian spring spawning herring, 1950-1974
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1978)Stock size fluctuations and rate of exploitation of the Norwegian spring spawning herring, 1950-1974. FiskDir. Skr. Ser. HavUnders., 16: 315-337. The collapse of the Norwegian spring spawning herring stock is described, ... -
Studies of the dissolved organic compounds in the sea - A preliminary report on the isolation, separation and identification of free amino acids
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1963)A method of concentrating and desalting sea water using evaporation and ion exchange techniques is described. Circular paper chromatography has been used to separate and identify free amino acids in desalted concentrates ... -
Studies on blood proteins in herring
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)1. Hemoglobins and serum proteins of herring have been analyzed by agar gel electrophoresis (hemoglobins) and combined starch and agar gel electrophoresis (serum proteins). The material comprises twelve samples from the ... -
Studies on blood proteins of mackerel
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1970)1. 14 samples of mackerel, about 1800 specimens, from the North Sea and the Norwegian Coast were analysed by agar gel electrophoresis (hemoglobins) and combined starch and agar gel electrophoresis (serum proteins and ... -
Studies on hemoglobins and serum proteins in sprat from Norwegian waters
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1968) -
Studies on hemoglobins of some gadoid fishes
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)1. Hemoglobin of tusk, forked hake, ling, blue ling, hake, pout, Norway pout, pollach, coalfish, haddock and blue whiting were studied by agargel electrophoresis. 2. Both inter- and intraspecific variations in hemoglobin ... -
Studies on serum esterase in herring and sprat
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)1. Herring and sprat serum esterase has been studied by combined starch and agar gel electrophoresis at pH 9.0. Both strong and weak bands which represesented esterase activity occurred in both species. 2. Most herring ... -
Studies on the High Nitrogen Content in the Physostome Swimbladder
(Fiskeridirektoratets skrifter, Serie Havundersøkelser;vol 13 no 5, Research report, 1963) -
Studies on the long term storage of living saithe, Pollachius virens Linnaeus, 1758
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1976)Studies on the long term storage of living saithe, Pollachius virens Linnaeus, 1758. FiskDir. Skr. Ser. HavUnders., 16: 279-300. In order to observe how far muscle nutrition is affected during long term starvation, saithe ...