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External Data Spec

Database of Trawl Surveys (DATRAS)

External Data Spec Published 12 Dec 2018
1 min read
DATRAS is an online database of trawl surveys with access to standard data products
information.png Provider:
International Council for the Exploration of the Sea (ICES)
information.png Dataset URL:
https://www.ices.dk/data/data-portals/Pages/DATRAS.aspx
information.png Other comments:

Link to ICES terms and references

https://www.ices.dk/data/guidelines-and-policy/Pages/ICES-data-policy.aspx

Related content

Interactive charts

Interactive maps produced

Produced figures

Figure Temporal development of the number of species of each biogeographical affinity group (top) and of the ratio between Lusitanian and Boreal species with sea surface temperature (bottom) by marine region The charts show: Top figures: the temporal development in the number of species of each biogeographical affinity group (Atlantic, Boreal, Lusitania and Unknown) by marine region (Greater North Sea, Baltic Sea, Celtic Seas and Bay of Biscay and the Iberian Coast). Bottom figures: the temporal development of the ratio between Lusitanian and Boreal species and sea surface temperature by marine region to investigate correlations.
Figure Overview of the different surveys used for the specific ICES Sub-divisions The table shows the Survey name, the International Council for the Exploration of the Sea (ICES) sub-division in which the survey is undertaken, the gear used in the survey, the initial start date of the survey and the quarter used for the assessments.
Figure Temporal development of the ratio of the number of Lusitanian species to the number of Boreal species The maps show the temporal development of the ratio between the number of warm-favouring (Lusitanian) fish species and the number of cool-favouring (Boreal) fish species by The International Council for the Exploration of the Sea (ICES) statistical area in 8-year intervals from 1982 to 2022.
Figure
Archived
Temporal development of the ratio of the number of Lusitanian species to the number of Boreal species The maps show the temporal development of the ratio between the number of warm-favouring (Lusitanian) fish species and the number of cool-favouring (Boreal) fish species by International Council for the Exploration of the Sea (ICES) statistical area in 5-year intervals from 1985 to 2020.
Figure
Archived
Temporal development of the number of species of each biogeographical affinity group (top) and of the ratio between Lusitanian and Boreal species with sea surface temperature by marine region (bottom) The charts show: - Top figures: the temporal development in the number of species of each biogeographical affinity group (Atlantic, Boreal, Lusitania and Unknown) by marine region (Greater North Sea, Baltic Sea, Celtic Seas and Bay of Biscay and the Iberian Coast). - Bottom figures: the temporal development of the ratio between Lusitanian and Boreal species and sea surface temperature by marine region to investigate correlations.
Figure
Archived
Overview of the different surveys used for the specific ICES Sub-divisions The table shows the Survey name, the ICES sub-division in which the survey is undertaken, the gear used in the survey, the initial start date of the survey and the quarter used for the assessments.
Figure Temporal development of the Lusitanina/Boreal species ration The map shows the temporal development of the Lusitanina/Boreal species ration, 1972 and 2016

Used in indicators

Permalinks

For references, please go to https://www.eea.europa.eu/data-and-maps/data/external/database-of-trawl-surveys-datras or scan the QR code.

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