Trawl and acoustic survey for herring stocks. Integrated hydrographic survey in the Norwegian Sea. Investigations will be conducted to develop long-term cooperation within the framework of ICES. Hydroacoustic instruments are to be used in study of fish distribution, check tows are to be performed by midwater trawl with 16 mm mesh size in the codend, hydrographic observations - measurements of water temperature and salinity, hydrochemical works - are to be made at the stations of standard hydrological sections and trawl stations. Plankton sampling with Juday net.
Alexander I Krysov (Polar Res. Ins. of Mar. Fisheries + Ocean. Russia)