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- W757374620 abstract "Prediction of the variation in annual biomass was conducted for the white croaker. Argyrosomus argentatus in Korean waters using leslie Matrix, based upon fishery data for the past 21 years and biological data, We used density-independent and density-dependent Leslie Matrix models. Similar parameters were estimated from two models except that the density-dependent model was influenced by the density effect variable, q(i,t), The eigenvalue of the white croaker population for the period was estimated to be 0.8, indicating a declining pattern of the population. The survival rate of 0-th year class was calculated to be 0.00005. Based on the schedule of the age-specific survival rate and fecundity, the future biomass and catch was predicted for various levels of fishing mortalities (F), If F was set at 0.252/yr () or 0.368/yr (), the biomass and catch increased, and if F was set at 0.922 (), the biomass and catch decreased, The fishing mortality at equilibrium was estimated to be 0.7/yr. Finally, the management strategy of the white croaker was discussed" @default.
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- W757374620 date "2001-01-01" @default.
- W757374620 modified "2023-09-26" @default.
- W757374620 title "Prediction of the Variation in Annual Biomass of White Croaker Argyosomus argentatus in Korean Waters using Leslie Matrix" @default.
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