Browsing Fiskeridirektoratets skrifter, Serie Havundersøkelser (1900-1990) by Issue Date
Now showing items 81-100 of 314
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The Norwegian-Icelandic Herring Tagging Experiments - Report No. 1
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1950)In the preceding chapters it is demonstrated that the Norwegian-Icelandic herring tagging experiments have met with success. When properly handled the herring is capable of withstanding the shock of tagging, and this ... -
Undersøkelser over Pleuronectider - I. Embryonalutviklingen hos rødspette (Pleuronectes platessa), skrubbeflyndre (Pleuronectes flesus) og deres resiproke bastarder. Kjernestørrelsesberegninger på embryonene og vekst hos larvene
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1950)The paper starts by describing the normal embryonic development of the plaice (Pleuronectes platessa) and the flounder (Pleuronectes flesus) up to the formation of the embryo. The development is divided into fourteen ... -
Is the Icelandic "Nordurlandssild" identical with the Norwegian Winter Herring
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1950) -
The Whirling Vessel - An apparatus for the fractioning of plankton samples
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1951)A description is given of the whirling vessel, an apparatus for the fractioning of plankton samples. Statistical tests have proved that the apparatus works reliably. -
Nitrogen Determinations in sea-water
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1951) -
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 ... -
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 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 ... -
The Lusterfjord herring and its environment
(Fiskeridirektoratets skrifter, Serie Havundersøkelser;vol 10 no 2, Research report, 1952) -
Faktorer av betydning for fiskeeggenes og fiskeyngelens oppvekst
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1952)During the last 10 years we have been experimenting in the laboratory at the Flødevigen Sea-Fish Hatchery with the rearing of several species of salt-water fishes. The intention has been to bring about better methods ... -
The Østerbø Herring
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1953) -
The Densigraph (An apparatus for continuous density recording of seawater)
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1953) -
The Haddock in Norwegian Waters : Methods in age and growth investigations
(Fiskeridirektoratets skrifter, Serie Havundersøkelser;vol 10 no 9, Research report, 1953) -
On the Geographical Variation in Growth and Sexual Development of the Deep Sea Prawn (Pandalus borealis Kr.)
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1953) -
Omplantningene av danske rødspetter (Pleuronectes platessa) til Oslofjorden og Skagerak 1934 og 1936
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1953)1. A short review is given on the transplantation of young plaice (Pleuronectes platessa Lin.) in Europe, from the first experiments in Denmark, about 1890, to the large transplantations in later years. From the North ... -
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 ... -
Zooplankton Investigations in some Fjords in Western Norway during 1950-1951
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1953)At the end of February 1950 investigations on zooplankton were initiated in some fjords south of Bergen on the west coast of Norway, and continued during 1951. Simultaneously hydrographic observations were also taken. Of ... -
Investigations on Zooplankton in Coastal and Offshore Waters of Western and Northwestern Norway - With Special Reference to the Copepods
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1954)1. Zooplankton samples, taken in vertical Nansen net hauls at permanent stations on the west coast of Norway between 61°-63° N and in the Lofoten area from October 1948 to the end of December 1951 have been used for a ... -
Undersøkelser over torsken i Oslofjorden
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1954)"The Cod Population of the Oslofjord". The hydrographical conditions of the fjord are mentioned. Owing to the sills at Drøbak and Nesodden the water masses of the inner fjord are often insufficiently aerated (Fig. 1 ... -
Continuous Oxygen Recording in Seawater
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1955)Summary of the results and experiences obtained during the work with the oxygen recorder. The apparaus is very simple to build and use, and it works rapidly. It is possible by means of this apparature to take continuous ...