Lumpsucker Cyclopterus lumpus abundance assessment off Murman coast by divers
2011
Rusyaev, S.M.
Direct assessment by divers of the fish coming to coastal areas to spawn is proposed as an alternative to trawl survey of the lumpsucker abundance. The data on density of males and hatch guarded by them were obtained by subsea survey at Ura Guba test site and off the Murman Coast during May-June 2001- 2010. Preliminary assessment of lumpsucker coming to spawn to the Murman Coast was carried out, the results demonstrated good correlation with the gill net catch effort data. It is proposed that the data obtained by divers are used to estimate possible allowable catch (PAC) of lumpsucker stock. The ways of development of the assessment method are discussed
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