METHOD OF PERFORMING CHECK CATCHING OF YOUNG DEEP-SEA FISH, SALMON FISH IN PARTICULAR AND LINE FOR REALIZATION OF THIS METHOD Russian patent published in 2003 - IPC

FIELD: industrial fishery. SUBSTANCE: check catching is performed taking into account real hydro-meteorological conditions and physiological state of young fish, outlining fish shoals, yearly catching according to standard net of stations located before edge of water and off to sea by means of seine which has guide part with water lines and wings , holding part drives and sweep-net bag with cod end and cork line and bottom line. Total length of water lines and total length of wings are equal. Wings are made from net material contrasting to sea water in color; first part of wing as considered from drive is made from net material at mesh pitch of 12 mm, then 20 mm, then 30 mm and 100 mm at the end of wing. Sweep-net bag is located in center of net material; it has four layers with cod end and is provided with additional coat made from net material. EFFECT: possibility of obtaining representative data on survival rate of young fish. 6 cl, 1 dwg, 5 ex