Blar i Flødevigens rapportserie (1982-1992) på utgivelsesdato
Viser treff 61-67 av 67
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Effects of hydrocarbons on growth and 14^C-uptake by Thalassiosira psudonana (Bacillariophyceae). In: Flødevigen rapportserie no 2, 1990
(Flødevigen rapportserie, Research report, 1990)Exponentially growing cultures of Thalassiosira pseudonana were exposed to different concentrations of benzene, naphthalene and decane. The acute effects of algal growth were different for increasing concentrations of ... -
Food selection in cod (Gadus morhua): reactions to colour and smell. In: Flødevigen rapportserie no 1, 1990
(Flødevigen rapportserie, Research report, 1990)Cod were offered food and food imitations with various colours and smells. When offered crabs with natural colour and with the carapace painted in red, yellow or green, they showed no significant preference. Neither did ... -
Survival and growth of turbot (Scophthalmus maximus L.) in a land-situation mesocosm. In: Flødevigen rapportserie no 2, 1990
(Flødevigen rapportserie, Research report, 1990)A mesocosm study of turbot larvae was undertaken in a 2000 m^3 outdoor basin into which 15000 yolk sac larvae were released. Scarce food supply during first feeding gave high initial mortality and only 10% survived the ... -
Recruitment of cod (Gadus morhua), whiting (Merlangius merlangus) and pollack (Pollachius pollachius) in the Risør area on the Norwegian Skagerrak coast 1945 to 1985. In: Flødevigen rapportserie no 1, 1990
(Flødevigen rapportserie, Research report, 1990)0-group gadoids and other fishes from the shallow water zone were sampled with a beach seine at 22 fixed localities in the Risør area at the Norwegian Skagerrak coast. A series of 41 years (1945 - 85) has been analysed. Cod, ... -
Prediction of year-class strength of coastal cod (Gadus morhua) from beach seine catches of 0-group. In: Flødevigen rapportserie no 1, 1992
(Flødevigen rapportserie, Research report, 1992)The validity of a beach seine 0-group index as a measure of year-class strength of cod in exposed areas along the Norwegian Skagerrak coast was tested. Fishing with trammel-nets was performed during November and December ... -
Fecundity studies on sprat, Sprattus sprattus L., from a fjord on the Norwegian Skagerrak coast. In: Flødevigen rapportserie no 1, 1992
(Flødevigen rapportserie, Research report, 1992)Data were collected monthly from sprat caught with trawl in Frierfjord, during January-May in 1985 and 1986. Sprat used ranged from 7 to 15 cm and from 2.1 to 27.9 g. Ichthyoplankton was sampled to follow the spawning ... -
Sårbare fiskeressurser i Skagerrak
(Rapport fra Forskningsstasjonen Flødevigen;1993 nr 1, Working paper, 1993-04-23)This report describes distribution of economically important fish and shellfish and their eggs and larvae in Skagerrak and gives a short discussion on possible exposure to negative man made environmental conditions.