EK60 Water Column Sonar Data Collected During SH1610

Use paired midwater trawls to evaluate potential selectivity of Pacific hake age/size classes by different codend liners (Standard AWT 32 mm versus 7 mm used...采用配对中层拖网，借助不同拖网网囊衬里（标准AWT 32毫米与7毫米衬里，所用……），评估太平洋无须鳕各年龄/体长组的潜在捕捞选择性。