Southern North Sea And English Channel Plankton Survey - RV Cirolana 01/87

This survey was carried out in January 1987 as part of the International Council for the Exploration of the Sea (ICES) co-ordinated herring larval survey of regions IVc and VIId (southern North Sea and eastern English Channel). Plankton samples were collected at each site on a planned survey grid. Clupeid larvae were identified and enumerated. Associated positional data and volumes filtered also included.