Studies on the deep-water pelagic community of Korsfjqrden, Western Norway Changes in the size and biochemical composition ofMeganycitiphanes norvegica(Euphausiacea) in relation to its life cycle
- 31 August 1976
- journal article
- research article
- Published by Taylor & Francis in Sarsia
- Vol. 61 (1) , 15-30
- https://doi.org/10.1080/00364827.1976.10411298
Abstract
Seasonal changes in the length/weight relationship and biochemical composition have been studied in a geographically defined population of Meganyctiphanes norvegica. Individuals of the same carapace length were on average heavier in the summer and autumn than in the winter and spring. Growth was most intense during summer and autumn and individuals from the youngest generation showed the highest growth rate. During mid-winter growth stopped completely; the negative growth rate values calculated for December and January suggest poor feeding condition during this period. The lipid content showed distinct seasonal variation, yielding highest values in the winter and spring. From summer to early spring a positive correlation existed between individual dry weight and the proportion of lipid. This correlation disappeared at the same time as the overall lipid level decreased.Keywords
This publication has 11 references indexed in Scilit:
- Studies on the deep-water pelagic community of Korsfjorden, Western NorwaySarsia, 1976
- Ecological studies on the deep-water pelagic community of Korsfjorden, western NorwaySarsia, 1975
- Biochemical studies on the deep-water pelagic community of Korsfjorden, Western Norway methodology and sample designSarsia, 1974
- Ecological studies on the deep-water pelagic community of Korsfjorden, Western Norway population dynamics of Meganyctiphanes norvegica (Crustacea, Euphausiacea) in 1968 and 1969Sarsia, 1973
- Effects of temperature and size on molting of euphausiid crustaceansMarine Biology, 1971
- Lipids and Fatty Acids of Two Species of North Atlantic Krill (Meganyctiphanes norvegica and Thysanoëssa inermis) and Their Role in the Aquatic Food WebJournal of the Fisheries Research Board of Canada, 1970
- The food ofMeganyctiphanes norvegica(M. Sars), with an assessment of the contributions of its components to the vitamin a reserves of the animalJournal of the Marine Biological Association of the United Kingdom, 1959
- Vitamin A and carotenoids in certain invertebrates: II. Studies of seasonal variations in some marine crustaceaJournal of the Marine Biological Association of the United Kingdom, 1954
- Vitamin A and carotenoids in certain invertebrates. I. Marine CrustaceaJournal of the Marine Biological Association of the United Kingdom, 1952
- Food and Habits of Meganyctiphanes norvegicaJournal of the Marine Biological Association of the United Kingdom, 1926