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- W2912605642 abstract "Virtual population analysis (VPA) is a modeling technique commonly used in fisheries sciencefor reconstructing the historical population structure of a fish stock using information onthe deaths of individuals in each time step. The time steps are typically annual (though notnecessarily) and the deaths are usually partitioned into mortality due to fishing and naturalmortality. VPA therefore looks at a population in an historic perspective. The advantageof doing a VPA is that once the history is known it becomes easier to predict the futurecatches, which is usually one of the most important tasks of fishery scientists. Virtualpopulation analysis calculates the number of fish alive in each cohort for each past year.It is also called cohort analysis because each cohort is analysed separately. VPA relies ona very simple relationship for each cohort. VPA or Cohort analysis was first developed asage-based methods in temperate regions further developed as length-based methods fortropical regions." @default.
- W2912605642 created "2019-02-21" @default.
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- W2912605642 date "2017-01-01" @default.
- W2912605642 modified "2023-09-24" @default.
- W2912605642 title "Virtual population analysis" @default.
- W2912605642 hasPublicationYear "2017" @default.
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