Mesozooplankton abundances at time series station Helgoland Roads, in 1990

The data provided here represents a summary of species and taxonomic groups. Species and groups added together are shown in the parameter comments (see "Further details").Empty...本数据集提供了物种与分类类群的汇总信息。物种与分类类群的合计数量将在参数注释中列明（详见「详细说明」）。（内容为空）