100 Works

Atlantic cod catch records from Cefas survey cruises in the Arctic 1930-1959

Bryony Townhill & John Pinnegar
The data are records of the station details and cod catches from UK government fisheries survey cruises in the Arctic region from 1930 to 1949. They have been digitised from survey logbooks held by the Centre for Environment, Fisheries and Aquaculture Science.

Cefas Historic Secchi Depth Measurements

Elisa Capuzzo
Secchi depth measurements, collected for studying the effects of the light climate on pelagic fish (e.g. fish school position in the water column compared to the depth of penetration of light); The dataset comprise 470 Secchi depth measurements collected in 1931, 1937, 1946-1950, 1968. The coordinates of each observation were generally not indicated in the logbooks and were derived from the associated station-sheets. Occasionally the exact coordinates were not specified but only the location of...

Management Strategy Evaluation toolkit for Ecopath with Ecosim (model output and technical report)

Christopher Lynam
This dataset consists of output from a computer model that predicts responses of 69 functional groups from plankton to whales to changing fishing pressure. Scenarios are run using the newly built plug-in (see report) that allows for an assessment of the effect of model parameter uncertainty. The base model is the ICES key-run of EwE for the North Sea described here http://data.cefas.co.uk/#/View/2847. Format of the data: Zipped csv files covering the hindcast period 1991-2013 (inclusive)...

Shelf Sea Biogeochemistry - CANDYFLOSS SmartBuoy

Tom Hull
This data set consists of biogeochemical sensor data from SmartBuoy moorings (Mills et al, 2005). SmartBuoys consist of a 4 meter tall stainless steel frame with a fibreglass torroid for buoyancy. Instruments are attached at a nominal 1 meter depth to the frame. In-air sensors are mounted to the top of the torroid. The buoys feature a satellite telemetry system providing near real-time telemetry. Temperature, salinity, dissolved oxygen, chlorophyll fluorescence, turbidity and photosynthetic active radiation...

Shelf Sea Biogeochemistry - East Of Haig Fras Seabed Lander

Tom Hull
This data set consists of biogeochemical sensor data from seabed moorings. The mooring consists of a 3 legged stainless steel "minilander" 1.5 meters high. The biogeochemical sensors are mounted at 1 meter above the seabed. Temperature, salinity, dissolved oxygen, chlorophyll fluorescence, turbidity where fitted to a Cefas ESM2 data logger. These instruments gathered data for 5 minutes every 30 minutes. Sensors were validated against in-situ samples during deployment and recovery. Fluorometers were standardised using fluorosphere...

Shelf Sea Biogeochemistry - Nymph Bank Lander

Tom Hull
This data set consists of biogeochemical sensor data from seabed moorings. Temperature, salinity, dissolved oxygen, chlorophyll fluorescence, turbidity where fitted to a Cefas ESM2 data logger. These instruments gathered data for 5 minutes every 30 minutes. Sensors were validated against in-situ samples during deployment and recovery. Fluorometers were standardised using fluorosphere beads. Turbidity meters were calibrated using Stabical (Hach, US). The moorings were also fitted with upward facing acoustic Doppler current profilers (ADCP), this data...

Large Woody Debris Restoration Field Experiment Dataset

Murray Thompson
Riverine species and environmental data relating to Thompson et al. (2017) Large woody debris rewilding rapidly restores biodiversity in riverine food webs. Journal of Applied Ecology. The purpose of this study was to test for causal evidence of ecological restoration following the introduction of large woody debris in rivers. Chlorophyll-a and diatom community structure was estimated from stone scrapes; a Hess sampler (0.017m2) with 335µm mesh was used to collect invertebrates and coarse (CPOM) and...

Cefas Coastal Temperature Network

David Morris
The Coastal Temperature Network consists of Cefas (and predecessor) originated data and data from external suppliers, who have agreed their data can be published as part of the network (Jones, 1981). The earliest data are from 1875 (Owers Light vessel) and have been supplied by the Met Office. The longest continuous record provided here is from Eastbourne (1892–2014). Sampling is from piers and breakwaters 50-200m from the shore where possible (Jones, 1981). The present network...

Cefas SmartBuoy Monitoring Network

David Morris
This dataset has been extracted as part of an exercise to assemble "all" Cefas Temperature Data and publish it in a Data paper. It is one of 17 Cefas data sources assembled. SmartBuoys are autonomous marine monitoring systems making high frequency measurements of physical, chemical and biological parameters (Greenwood et al., 2010). They have been deployed as part of the UK marine eutrophication monitoring programme. Sea surface temperature is measured using an FSI or Aanderaa...

Defra Strategic Wave Monitoring Network

David Morris
This dataset has been extracted as part of an exercise to assemble "all" Cefas Temperature Data and publish it in a Data paper. It is one of 17 Cefas data sources assembled. WaveNet, Defra's strategic wave monitoring network for the United Kingdom, provides a single source of real-time wave data from a network of wave buoys located in areas at risk from flooding. In operation since 2002, WaveNet collects and processes data from the Cefas-operated...

Cefas Electronic Data Storage-Tag Database

David Morris
This dataset has been extracted as part of an exercise to assemble "all" Cefas Temperature Data and publish it in a Data paper. It is one of 17 Cefas data sources assembled. Electronic tags that record temperature and depth were attached to, or implanted into, cod caught in the southern North Sea between 1999 and 2009 (for methods see Neat et al., 2014). Data from tags that were returned from recaptured cod were downloaded and...

ScanFish – North and Celtic Seas

David Morris
This dataset has been extracted as part of an exercise to assemble "all" Cefas Temperature Data and publish it in a Data paper. It is one of 17 Cefas data sources assembled. ScanFish is a high performance towed undulating CTD which was deployed by Cefas, initially, to aid the understanding of the coupling between physical and biological processes (Brown et al., 1996). It was towed behind the vessel at approximately 8 knots and undulated from...

North Sea Historical Effort by Rectangle by Year: 1913 -1980

Georg Englehard

Salmon production model

Keith Jeffery
The bio-economic model can be used to identify and summarise potential production scenarios for Atlantic Salmon. Users can specify an initial fish weight, time of year and desired harvest weight; the model would then return the Time to Harvest for this scenario. Furthermore the model can optimise the time spent in an intermediate system such that the time in net pens is reduced below (eg) 12 months. The model is one of the key outputs...

CLiP Vanuatu Microplastics in sediment 2017

Strategy Data Governance
This dataset contains 2 csv files. One file contains data on microplastic abundance expressed in number of particles per 5g dried sediment from 14 grabs collected on Efate Island (Vanuatu) in 2017. One file contains spectrum analysis for some of the particles carried out with a ATR-FTIR. A READ-ME text file contains description of columns content for these two csv files. There is a .zip file that includes a csv file with the description of...

Biological-based habitat classification approaches promote cost-efficient monitoring: an example using seabed assemblages

Keith Cooper
Files for use with the R script accompanying the paper Cooper et al. (2018). Note that this script also uses files from https://doi.org/10.14466/CefasDataHub.34 (details provided in script). Cooper, K.M., Bolam, S.G., Downie, A. Callaway, A., Barry, J. (2018). Biological-based habitat classification approaches promote cost-efficient monitoring: an example using seabed assemblages. Journal of Applied Ecology. Files include: R SCRIPT FINAL.R (R script) C5922DATASETFAM13022017REDACTED.csv (see below for description) UKSeaMap2016_SedimentsDissClip.shp (UK Seamap data clipped to study area. These...

Young Fish Survey Data 1981 to 2010

Total numbers of individual fish identified during the Cefas Young Fish Survey (YFS) which ran from 1981 to 2010. The survey deployed a light 2-meter beam trawl to survey inshore locations for small / young fish around the British Isles, predominantly along the south and east coasts. Total numbers of fish (identified to species or if not to the highest taxonomic level) were recorded at each station, and were measured in the majority of cases....

CLiP Belize Microplastics in biota 2019

This dataset contains 2 csv files. One file contains data on microplastic abundance expressed in number of particles from biota samples (queen conch, Lobatus gigas) collected in Belize in 2018 (and analysed in 2019) with indication of sample wet weight and blank used. The other file contains the profiles of the ATR-FT-IR spectrum analysis of plastic pieces found in the conch stomachs. A README text file contains the legend of the columns of the two...

Fladen experimental fishing impact recovery data - Acoustic data

Output imagery of multibeam echosounder backscatter (tiffs) from within six experimental boxes (three treatments and three control) during a fishing impact recovery survey within the Fladen Grounds. Data were collected at three time points (before impact (time 0), immediately after impact (time 1) and 8 months after impact (time 2) during two research surveys on the RV Cefas Endeavour in April 2015 and November 2015. One hundred percent multibeam bathymetry and backscatter data were acquired...

Fladen experimental fishing impact recovery data - Benthic macrofauna

Total counts and biomass in grams of individual taxa identified from 0.1m squared Day Grab samples of the seabed with associated station information. The benthic macrofaunal samples were collected at sampling stations located within six experimental boxes (three treatments and three control) during a fishing impact recovery survey within the Fladen Grounds. Data were collected at three time points (before impact (time 0), immediately after impact (time 1) and 8 months after impact (time 2)...

Seafloor Marine Litter from UK EEZ zones between 2012 and 2017

CLiP South Africa Marine Litter Accumulation Study (Cefas-UKZN) 2019

This dataset contains 1 csv file that contains data on marine litter abundance and composition expressed in number of items per category. The file also contains metadata including location names, GPS coordinates in decimal degrees (WGS84), beach cleaning frequency, beach description among the others. A READ-ME text file describe the columns content of the csv files. Marine litter items were collected during beach clean-ups in Umhlanga (north of Durban) and Amanzimtoti (south of Durban) in...

CLiP Belize Land Waste Audits and Interviews 2019

Fladen experimental fishing impact recovery data - Particle size analysis

Particle size distribution, Folk, European Nature Information System (EUNIS) and Broadscale habitat classifications identified from 0.1m2 Day Grab samples of the seabed, with associated station information. Particle size distribution samples were collected using a 0.1m2 Day Grab at sampling stations located within six experimental boxes (three treatments and three control) during a fishing impact recovery survey within the Fladen Grounds. Data were collected at three time points (before impact (time 0), immediately after impact (time...

Registration Year

  • 2020
    13
  • 2019
    34
  • 2018
    9
  • 2017
    14
  • 2016
    27
  • 2015
    3

Resource Types

  • Dataset
    100

Affiliations

  • Centre for Environment, Fisheries and Aquaculture Science
    31