Blar i Symposium proceedings på forfatter "Bjørke, Herman"
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Distribution and abundance indices of postlarval and 0-group cod
Bjørke, Herman; Sundby, Svein (PINRO-IMR Symposium, Conference object, 1987)Postlarvae surveys have been carried out in the southwestern part of the Barents Sea and the northeastern part of the Norwegian Sea in June/July since 1971, The aim of the Investigations has been to study characteristic ... -
Distribution and abundance of post larval Northeast Arctic cod and haddock
Bjørke, Herman; Sundby, Svein (PINRO-IMR Symposium, Conference object, 1984)From 1977 onwards an annua1 postlarvae survey has been carried out off northern Norway in June/July. The aim is to study the distribution of fish larvae, and to establish an index for thom 53m to surface. In 1983 the ... -
Factors determining the year-class strength of Norwegian spring spawning herring
Krysov, Alexander; Bjørke, Herman; Svendsen, Einar (PINRO-IMR Symposium, Conference object, 1995)More than 30 years of Russian and Norwegian data on spring-spawning herring larvae along the coast of Norway has been investigated and analyzed together with different environmental parameters and spawning stock size. ...