Virtual population analysis (VPA) is one of the classic models in fish stock assessment, and is one of the main models in calculating the total allowable catch (TAC).

实际种群分析法(VPA)是渔业资源评估的经典模型之一，也是总允许捕捞配额(TAC)计算的主要模型之一。

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MPs were holding the debate ahead of the Council of EU fisheries minister who will set the so-called "Total Allowable Catch" (TAC) that fishermen are allowed to fish in the coming year.

BBC: Fisheries debate