The spawning migration of Arctic cod in Lofoten in 1978

In the period 5 February to 2 March 1978 three echo surveys were made with R.V. "Johan Ruud" and R.V. "Peder Rønnestad" in Lofoten. The distribution of Arctic cod was charted by counting the number of fish recorded per nautical mile on the echo sounder. There seemed to be more fish present than in 1977, but in spite of seemingly favourable hydrographical conditions, fish migrating to the innermost eastern part of the spawning area were sparse. The 1970 year class dominated the cathces even more than in 1977