Gelatinous zooplankton abundance at Sylt Roads - Wadden Sea off List, Sylt, N...

Individuals per three hauls. If less than three hauls were conducted it was noted down in the comment column.

统计单位为每3次拖网作业所获的生物个体数量。若实际开展的拖网作业次数不足3次，则需在备注栏中注明相关情况。