@prefix dcat: . @prefix dct: . @prefix foaf: . @prefix xsd: . a dcat:Dataset ; dct:description """This survey was undertaken by Cefas as part of the Blackwater Herring Survey (FSS: INA K HER); A series of cruises carried out from 1989 to 2009 each November on the INA-K in the Thames Estuary. The aims of which were to assess the state of herring (*Clupea harengus*) stocks through measurements of length samples and by ageing a stratified selection of fish. The latter was also to determine the stock split between North Sea and Thames fish as there is a great deal of mixing of stocks in the area. Stock identification was done by a combination of first year growth observed in the otolith and the maturity stage of the fish. Survey took place between 17/11/1993 and 28/11/1993 on INA K Equipment used during this survey : - Larson Sprat Trawl Survey operations were undertaken on 28 stations 1 different species were caught on this survey""" ; dct:identifier "bf741a39-f00a-4e2d-ad26-78e4968d9f34" ; dct:issued "2016-06-15T11:40:50.979227"^^xsd:dateTime ; dct:modified "2024-07-10T10:26:33.711095"^^xsd:dateTime ; dct:publisher ; dct:title "Survey : INA K 1/93 (part of Blackwater Herring Survey (FSS: INA K HER))" ; dcat:distribution . a dcat:Distribution ; dct:description "The Cefas Data Portal contains metadata records and data sets available to download and connect to in support of our commitment to open science. Data is available in the following formats: CSV, ESRI Shapefile. The data can also be accessed via the WFS and WMS protocols." ; dct:issued "2024-07-10T10:26:33.732572"^^xsd:dateTime ; dct:modified "2024-07-10T10:26:33.717559"^^xsd:dateTime ; dct:title "Cefas Data Portal" ; dcat:accessURL . a foaf:Organization ; foaf:name "Marine Environmental Data & Information Network" .