The survey and effort data and the estimated proportion of seals from the total population in each sub-area.

Empty gill net cells represent areas where we assume gill nets do not contribute to by-catch.The survey and effort data and the estimated proportion of seals from the total population in each sub-area.

空刺网网格单元代表我们推定刺网不会造成副渔获物的区域。本数据集涵盖调查与捕捞努力量数据，以及各分区海豹种群占总种群的估算比例。