Seasonal Spatio-Temporal Model Improves Refined Stock Assessment and Management of Japanese Sardine (<i>Sardinops melanostictus</i>) in the Northwest Pacific Ocean.

The Results of Stock Status for Japanese Sardines Based on AMSY According to the results of AMSY obtained using the average abundance index of three seasons, the relative catch of Japanese sardines showed a trend of first decreasing, then increasing, and then decreasing from 2014 to 2022, and the catch was less than MSY after 2015, i.e., C /MSY was less than 1 ( Figure 5 d).

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