Blar i Havforskningsinstituttet på emneord "utbredelse"
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1996 ICES coordinated acoustic survey of ICES Divisions IIIa, IVa, IVb and VIa
(ICES CM Documents;1997/H:11, Working paper, 1997)Summary: Seven surveys were carried out during late June and July covering most of the continental shelf north of 54°N in the North Sea and lreland to the west of Scotland to a northern limit of 62°N. The eastern edge of ... -
1997 ICES coordinated acoustic survey of ICES Division IIIa, IVa, IVb and VIa
(ICES CM Documents;1998/OPEN:22, Working paper, 1998)Summary: Six surveys were carried out during late June and july covering most of the continental shelf north of 54°N in the North Sea and lreland to the west of Scotland to a northern limit of 62°N. The eastern edge of ... -
1999 ICES coordinated acoustic survey of ICES Divisions IIIa, IVa, IVb and VIa
(ICES CM Documents;2000/K:39, Working paper, 2000)Five surveys were carried out during late June and July covering most of the continental shelf north of 54°N in the North Sea and Ireland to the west of Scotland to a northern limit of 62°N. The eastern edge of the survey ... -
2000 ICES coordinated acoustic survey of ICES Division IIIa, IVa, IVb and VIa (North)
(ICES CM Documents;2001/P:28, Working paper, 2001)Six surveys were carried out during late June and July covering most of the continental shelf north of 54°N in the North Sea and to the west of Scotland to a northern limit of 62°N. The eastern edge of the survey area ... -
A preliminary review of the joint investigations on the distribution of herring in the Norwegian and Iceland Seas 1950- 1970
(ICES CM Documents;1996/H:14, Working paper, 1996)The paper reviews the joint international investigation of the distribution of the Atlanto-Scandian herring in relation to temperature during the period prior to the collapse of the stock in the late 1960s. The results ... -
A review of the distribution, migrations, food, reproduction, exploitation and present abundance of humpback whales (Megatera novaeangliae) in the northeast Atlantic
(ICES CM Documents;1990/N:10, Working paper, 1990)Most available knowledge about northeast Atlantic humpback whales (Megaptera novaeangliae) is based on information and experience gained during the pioneer period of modern whaling in Norwegian waters in 1868-1904 when ... -
A short review on the biology and fishery of the squid Todarodes sagittatus
(ICES CM Documents;1985/K:44, Working paper, 1985) -
A study of first feeding herring (Clupea harengus L.) larvae during the period 1985- 1993
(ICES CM Documents;1993/H:21, Working paper, 1993)Hatching and distribution of first feeding larvae of Norwegian spring spawning herring have been monitored on the Norwegian shelf in March and April since 1985. During this period the spawning stock increased from 0.5 ... -
Abundance and distribution of postlarvae in the 0-group saithe survey in the north-east Arctic in 1985
(ICES CM Documents;1986/G:87, Working paper, 1986)From 11 May to 31 May 1985 a pelagic trawl survey was carried out outside the Norwegian coast north of 62° N. The purpose of this pilot survey was to examine the possibility of getting useful information about the year ... -
Acoustic abundance estimation of wintering Norwegian spring spawning herring, with emphasis on methodological aspects
(ICES CM Documents;1994/(B+D+G+H):1, Working paper, 1994)The spawning component and part of the juvenile stock of Norwegian spring spawning herring have been wintering in a fjord system in northern Norway in recent years. Conditions for measuring the stock size have been ... -
Acoustic portrait of herring in Vestfjord, january 1996, with geostatistical analysis
(ICES CM Documents;1996/H:31, Working paper, 1996)In January 1996 the stock of Norwegian spring-spawning herring (Clupea harengus) was acoustically surveyed in the wintering area. Both immature and mature fish were present. Because of the comparative lateness of the ... -
Acoustic survey of deep-water fish of the Skagerrak
(ICES CM Documents;1992/H:15, Working paper, 1992)Introduction: Two fish species, the greater silver smelt Argentina silus and the roundnose grenadier Coryphaenoides rupestris, are highly abundant in the deep-water areas of the Skagerrak. Since the 1970s, a small aimed ... -
Acoustic visualization of large scale macroplankton and micronekton distributions across the Norwegian shelf and slope of the Norwegian Sea.
(ICES CM Documents;1993/L:44, Working paper, 1993)We present results from acoustical (38 kHz split beam) surveys, biological sampling (trawling, zooplankton nets), and measurements of physical parameters (salinity, temperature, currents) across and along the shelf ... -
Age distributions for spawning capelin 1954 -1984: A review of some selected literature
(ICES CM Documents;1985/H:36, Working paper, 1985)This paper gives a brief review of published information about the age distributions of maturing and spawning capelin in the years 1954-84. The results are presented in a table and a figure, and discussed. -
An intership sonar calibration experiment in the Norwegian Sea
(ICES CM Documents;1996/B:22, Working paper, 1996)When migrating in the Norwegian Sea in spring and summertime, the Norwegian spring spawning herring will be surveyed by vessels from four nations. Because the herring may occur in schools close to the surface, use of ... -
Analysis of spatial variability of Georges Bank haddock (Melanogrammus aeglefinus) from trawl survey data using a linear regression model with spatial interaction
(ICES CM Documents;1990/D:36, Working paper, 1990)A regression model with spatially autocorrelated errors is used to test if there is systematic spatial variation across the study area in haddock catch per tow data from the NEFC annual fall survey from 1963 - 1987. A ... -
Are there potential resources of Iceland scallops (Chlamys islandica) in the Barents Sea ?
(ICES CM Documents;1985/K:43, Working paper, 1985) -
Assessing trawl-survey estimates of frequency distributions
(ICES CM Documents;2000/K:23, Working paper, 2000)Marine trawl surveys catch a cluster of fish at each station and fish caught together tend to have more similar characteristics, such as length, age, stomach contents etc., than those in the entire population. When this ... -
Back-calculated length at age in Norwegian spring-spawning herring (Clupea harengus L.) : Estimating the common intercept or origin by tuning back-calculated length frequencies to observed ones
(ICES CM Documents;1996/D:9, Working paper, 1996)In Norwegian spring-spawning herring the common intercept of the back-calculating formula, as estimated by linear regression of the fish-scale relationship, grosssly overestimated the back-calculated length frequencie ... -
Barents Sea King Crab (Paralithodes camtschatica). The transplantation experiments were successfull
(ICES CM Documents;1994/K:12, Working paper, 1994)As a result of the USSR tranplantation experiments, a viable, self-reproducing poulation of king crab, (Paralithodes camtschatica), is now well established in the Barents Sea. Commercial fishing for king crab is prohibited ...