Mesozooplankton abundances at time series station Helgoland Roads, in 1997

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...此处提供的数据为物种与分类群的汇总统计内容。物种与分类群的合计数量将在参数注释中予以说明（详见「进一步说明」）。（内容为空……）