CEFAS728a436b-7bd4-45c6-b35a-72fb1de33230 English dataset Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) Cefas Lowestoft Laboratory Pakefield Road Lowestoft Suffolk NR33 0HT UK data.manager@cefas.co.uk pointOfContact 2025-11-06T12:52:05 EPSG Geodetic Parameter Registry 2022-01-07 revision WGS 84 International (ICES) and national (UK) fish stock and shellfish stock data from 2020 assessment year 2021-07-14 publication 2025-11-06 revision 2021-01-06 creation CEFAS20996 https://data.cefas.co.uk The dataset collected includes assessment output relating to the years from 1905 to 2020 inclusive for the following variables for each stock: the annual recruitment estimate, the stock size (spawning stock biomass), landings (tonnes of fish brought to shore), catches (tonnes of fish caught at sea), fishing pressure (a fishing mortality rate), Fmsy (the target fishing mortality that will achieve maximum sustainable yield in the long term), Upper and lower range estimates for Fmsy consistent with multi-annual plans and ICES advice, MSYB trigger (a threshold for spawning stock biomass, below which fishing mortality should be reduced below Fmsy, following the ICES advice rule, to avoid reduced reproductive capacity, Blim (a lower limit threshold for spawning stock biomass below which there is a high risk of reduced reproductive capacity). The stock assessment data for fish and shellfish stocks of UK interest is used to assess indicators of reproductive capacity (based on spawning stock biomass) and fishing pressure (based on fishing mortality). Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) Cefas Lowestoft Laboratory Pakefield Road Lowestoft Suffolk NR33 0HT UK data.manager@cefas.co.uk originator Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) Cefas Lowestoft Laboratory Pakefield Road Lowestoft Suffolk NR33 0HT UK data.manager@cefas.co.uk custodian Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) Cefas Lowestoft Laboratory Pakefield Road Lowestoft Suffolk NR33 0HT UK data.manager@cefas.co.uk distributor Department for Environment, Food and Rural Affairs (DEFRA) defra.helpline@defra.gov.uk owner notPlanned Fish biomass in water bodies Fish and shellfish catch statistics Fish abundance in water bodies SeaDataNet P02 parameter discovery vocabulary 2011-03-25 revision Shellfish GEMET, version 1.0 2008-06-01 publication Fisheries SeaDataNet P03 parameter discovery vocabulary 2011-03-25 revision Species distribution GEMET - INSPIRE themes, version 1.0 2008-06-01 publication Benthic boundary Water column SeaVoX Vertical Co-ordinate Coverages 2010-05-18 revision Marine Environmental Data and Information Network MEDIN metadata record availability 2012-01-11 publication data.gov.uk MEDIN metadata record availability 2012-01-11 publication otherRestrictions noLimitations otherRestrictions **Publicly available data licensed under the Open Government Licence v3.0 (`https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/)`_ – Please note the applicable attribution statement is as follows: ‘includes Crown copyright, Cefas 2021'** .. _`https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/)`: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ 600000 English biota -18.00 -3.00 43.50 51.00 1905-01-01 2020-12-31 Delimited Geographic Information System Unknown https://data.cefas.co.uk/view/20996 Cefas Data Portal download 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. dataset INSPIRE Data Specification on Species Distribution – Technical Guidelines 2013-12-10 publication false See the referenced specification Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services 2010-12-08 publication true See the referenced specification The data sets for internationally assessed stocks were collected from the ICES stock assessments advice sheets of each stock and year. The data sources can be found at the ICES website (`http://standardgraphs.ices.dk/stockList.aspx`_) when selecting the relevant stock and year. In addition there are other data sets collected from the UK national shellfish stocks data, which were taken from the following specific reports: Cefas 2020 Lobster (*Homarus gammarus*) Stock Status Report. Available online at `https://www.gov.uk/government/publications/crab-and-lobster-stock-assessments-2019`_ Cefas 2020 Edible crab (*Cancer pagurus*) Stock Status Report. Available online at `https://www.gov.uk/government/publications/crab-and-lobster-stock-assessments-2019`_ `Dobby, H., S. Millar, L. Blackadder, J. Turriff, A. McLay (2012). Scottish Scallop Stocks: Results of 2011 Stock Assessments`_. Scottish Marine and Freshwater Science Vol 3 No 10. Published by Marine Scotland Science. `ISSN: 2043-7722`_ `Mesquita, C., H. Dobby, A McLay (2016) Crab and Lobster Fisheries in Scotland: Results of Stock Assessments 2009 – 2012`_. Scottish Marine and Freshwater Science Vol 7 No 9. Published by Marine Scotland Science. `ISSN: 2043-7722`_. `Mesquita, C., H. Dobby, A McLay (2017) Crab and Lobster Fisheries in Scotland: Results of Stock Assessments 2013 – 2015`_. Scottish Marine and Freshwater Science Vol 8 No 14. Published by Marine Scotland Science. `ISSN: 2043-7722`_. DOI: 10.7489/1990-1. .. _`http://standardgraphs.ices.dk/stocklist.aspx`: http://standardgraphs.ices.dk/stockList.aspx .. _`https://www.gov.uk/government/publications/crab-and-lobster-stock-assessments-2019`: https://www.gov.uk/government/publications/crab-and-lobster-stock-assessments-2019 .. _`dobby, h., s. millar, l. blackadder, j. turriff, a. mclay (2012). scottish scallop stocks: results of 2011 stock assessments`: https://www.gov.scot/binaries/content/documents/govscot/publications/progress-report/2013/01/scottish-marine-freshwater-science-volume-3-number-10-scottish-scallop/documents/00412344-pdf/00412344-pdf/govscot%3Adocument/00412344.pdf .. _`issn: 2043-7722`: https://portal.issn.org/resource/ISSN/2043-7722 .. _`mesquita, c., h. dobby, a mclay (2016) crab and lobster fisheries in scotland: results of stock assessments 2009 – 2012`: https://www.gov.scot/binaries/content/documents/govscot/publications/statistics/2016/03/crab-lobster-fisheries-scotland-results-stock-assessments-2009-2012-scottish/documents/00498085-pdf/00498085-pdf/govscot%3Adocument/00498085.pdf .. _`mesquita, c., h. dobby, a mclay (2017) crab and lobster fisheries in scotland: results of stock assessments 2013 – 2015`: https://data.marine.gov.scot/dataset/crab-and-lobster-fisheries-scotland-results-stock-assessments-2013-2015 MEDIN 3.1.1