North Sea Plankton Survey - RV Cirolana 01/81

Ichthyoplankton samples were collected over three separate periods during a survey in an area 15 miles south south west of Brown Ridge in the central North Sea. As part of a number of survey objectives the distribution of early stage plaice eggs was investigated. This data consists of the numbers of plaice eggs and the larvae of herring and sprat identified from the main net samples. Positional data and volumes filtered are included.