Length-sex composition, maturation rate, gonadosomatic index of northern Okhotsk Sea walleye pollock and estimation ovaries eggs yield
2008
Fadeev, N.S..
For theoretical estimation ovaries eggs yield it is necessary to have data on length structure of commercial catches gonadosomatic indices on maturation of rates of sexual products, rate puberty and sexual structure. Length composition of catches and a maturity of sexual products should be defined for all under control water area in the set terms. For other parameters it is possible to use average long-term data resulted in this paper it supplementing periodically. For optimization of trade it is necessary to refuse completely from catch estimation of output. The main accounting parameter should be actual catch. The size of production output is necessary only for the control of accounting data on catches bulk. The strict calculation leads to reduction of emissions which perniciously impact on stocks
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
تم تزويد هذا السجل من قبل Russian Federal Research Institute of Fisheries and Oceanography