Mesozooplankton biomass, size fraction 1-2 mm

The reporting of plankton tow events was inconsistent, event numbers may reference a single tow or a series of tows. Use caution in a merging of data from different sources.浮游生物拖网（plankton tow）事件的记录方式存在不一致性，事件编号可能指代单次拖网作业，也可能指代一组拖网作业序列。合并不同来源的数据时需谨慎处理。