Blar i Fiskeridirektoratets skrifter, Serie Havundersøkelser (1900-1990) på tittel
Viser treff 137-156 av 314
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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 ... -
Influence of hydrographical and meteorological factors on catch and recruitment strength of the sprat stock in western Norway
(Research report, 1966)The dependence of recruitment strength on hydrographical conditions has been studied, i. e., possible relationship between the transport of sprat larvae from the Skagerak to the stock in western Norway and the thickness of ... -
The Influence of Temperature on the Formation of Zones in Scales and Otoliths of Young Cod
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1956)From 27th October 1954 to 23rd February 1955 0-group cod from the littoral region at Flødevigen were kept in aquaria, and furnished with running sea-water of different temperatures: A: The temperature was normal for the ... -
The Influence of the Environment on Number of Vertebrae in Plaice
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1950) -
Inland transport of live cod
(Fiskeridirektoratets skrifter, serie havundersøkelser, Research report, 1964) -
Intraspecific structure and variability in relation to fisheries management
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)The paper presented deals with the problem of intraspecific structure and variability in fishes. Four forms of intraspecific groups are noted. The necessity to study the intraspecific structure and variability for ... -
An introduction to a study of the marine ecosystem and the local herring stock in Lindåspollene
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1973)DAHL, O., ØSTVEDT, O.J. and LIE, U. 1973. An introduction to a study of the marine ecosystem and the local herring stock in Lindåspollene. FiskDir. Skr. Ser. Hav.Unders., 16: 148-158. A study of the marine ecosystem in ... -
Investigations on Cod Larvae in the Coastal Waters of Northern Norway - Occurrence of cod larvae, and occurrence of food organisms in the stomach contents and in the sea
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1948) -
Investigations on diel vertical migration of 0-group fish in the Barents Sea
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1975)In August-September diel vertical migration of 0-group fish was studied in the Barents Sea. Redfish and capelin had different vertical migration patterns. 0-group redfish were found at the surface at dark and spread in ... -
Investigations on Eggs and Larvae of Commercial Fishes in Norwegian Coastal and Offshore Waters in 1957-58
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1960)The size frequencies of cod and haddock eggs, sampled in coastal and offshore waters of northwestern Norway have been studied. Within the same species, variations in the mean size of the eggs have been observed, as well ... -
Investigations on euphausiids in some fjords on the West Coast of Norway in 1966-1969
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1971)In 1966-1969 euphausiids (krill) were sampled in some fjords in Western Norway. Drained volumes of krill constituted 13-82 ml, exceptionally 100-167 ml per 1 000 m3. Meganyctiphanes norvegica, Thysanoessa inermis and T. ... -
Investigations on herring, Clupea harengus L., from the Norwegian Skagerak Coast during the years 1963-64
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)1) The material was collected on a little part of the Norwegian Skagerak coast in 1963-1964. 2) The following data were sampled: total length and weight, stage and weight of gonads, intestinal fat content, vertebrae ... -
Investigations on Pelagic Fry of Cod and Haddock in Coastal and Offshore Areas of Northern Norway in July-August 1957
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1960)In July-August 1957 the distribution of pelagic cod and haddock of the O-group was investigated in the coastal and offshore waters of northern Norway. The cod was most abundant near the coast, the haddock also numerous ... -
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 ... -
Investigations on Zooplankton in Norwegian Waters and in the Norwegian Sea during 1957-58
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1960)The variations in zooplankton volume at fixed stations along the coast of Norway, western Spitsbergen, and at st. "M" in the Norwegian Sea have been studied during 1957 and 1958. In 1957 the plankton was on the whole ... -
Is the Icelandic "Nordurlandssild" identical with the Norwegian Winter Herring
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1950) -
Ishavsøya Hopen
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1941)The fishery investigations in northern polar waters carried out by the Norwegian Fishery Administration have since 1933 been concentrated solely on the deep sea banks off the west coast of Spitsbergen in order to develop ... -
An isopod as intermediate host of cod-worm
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1979)Ten cod (Gadus morhua), caught at 30-50 m depth in the Froan area (64°N) on the Norwegian coast in October 1977, held an average of 53 cod-worm (Phocanema decipiens) larvae in their muscles. Stomach contents included ...