Drift bottle experiments in northern Norway in 1973

On cruises with R. V. «Asterias» in spring 1973 a total of 320 drift bottles were released along the coast of northern Norway. In April 135 drift bottles were released from 27 stations in the Lofoten area (Vestfjord) and off Hekkingen, and 15.5% vere recovered. In May 185 drift bottles were released from 37 stations along the coast from Torsvåg to the area of North Cape and in the Lofoten area. From the northernmost area 8.4% were recovered, and from the Lofoten area 25.6% were recovered. The drift pattern in 1973 and the previous years is discussed