We analyzed a fishery-independent catch time series in the context of predicted historical age structure of Red Drum Sciaenops ocellatus for the years 1980–2019. This time series roughly coincided with closure of the commercial fishery in Texas (in 1981) and federal waters (in 1987). Changes in size and age were used to estimate changes in mortality and offshore escapement.

中文翻译：

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德克萨斯州河口红石首鱼种群年龄结构、死亡率和逃逸率的快速变化伴随种群恢复

我们在预测1980-2019 年红石首鱼历史年龄结构的背景下分析了与渔业无关的捕捞时间序列。该时间序列大致与德克萨斯州（1981 年）和联邦水域（1987 年）商业渔业的关闭时间一致。大小和年龄的变化用于估计死亡率和离岸逃逸的变化。