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On fish eggs and larvae in the Skagerrak
Lindquist, A. (1968). On fish eggs and larvae in the Skagerrak, in: Brattström, H. et al. (Ed.) The Importance of Water Movements for Biology and Distribution of Marine Organisms: 2nd European Symposium on Marine Biology, Bergen 24-28 August 1967. Sarsia, 34: pp. 347-353. dx.doi.org/10.1080/00364827.1968.10413396
In: Brattström, H.; Matthews, J.B.L. (Ed.) (1968). The Importance of Water Movements for Biology and Distribution of Marine Organisms: 2nd European Symposium on Marine Biology, Bergen 24-28 August 1967. Sarsia, 34. Norwegian Universities Press: Bergen. 398 pp., more
In: Sarsia. University of Bergen. Universitetsforlaget: Bergen. ISSN 0036-4827, more
Peer reviewed article  

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Document type: Conference paper

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  • Lindquist, A.

Abstract
    The distribution of fish eggs and larvae shows the importance of the current system in the Skagerrak. The Jutland, Baltic, and Norwegian (coastal) currents form together an anti-clockwise circulation which results in the ichthyoplankton drifting in a characteristic way. It is certain that a considerable quantity of larvae is carried away from the Skagerrak. Spawning of the sprat (Sprattus sprattus) takes place in a very restricted area where it is most intensive along a border line of temperature gradients. The mackerel (Scomber scombrus) spawns during its migration from the outer parts of the Skagerrak to the east. Eggs and larvae of the mackerel are found over the whole Skagerrak but are most abundant off the Norwegian coast. For a certain period in June the eggs of mackerel and sprat are found exclusively in neighbouring areas. The larvae of the two species, however, show identical distributions and are both carried away by the same currents. In other species the distribution of eggs and larvae is more uniform throughout the area; this may be due to a longer pelagic life. The distribution of some Chaetognatha is discussed.

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