EK500 Water Column Sonar Data Collected During AL0103

NEFSC 2001 Spring Bottom Trawl Survey (AL0103, EK500). The objectives of the cruise are to: (1) determine the spring distribution and relative abundance of fish and...东北渔业科学中心（Northeast Fisheries Science Center, NEFSC）2001年春季底拖网调查（航次编号AL0103，搭载EK500声学系统）。本次航次的目标为：(1) 探明鱼类及……的春季分布与相对丰度……