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ROCKALL: Scottish Rockall Survey for commercial fish species
Citation
Fish trawl survey: Scottish Rockall Survey for commercial fish species. ICES Database of trawl surveys (DATRAS). The International Council for the Exploration of the Sea, Copenhagen. 2010. Online source: http://ecosystemdata.ices.dk. https://marineinfo.org/doc/dataset/2767
Contact:
Holdsworth, Neil
Availability: 
This dataset is licensed under a Creative Commons Attribution 4.0 International License.
This dataset is licensed under a Creative Commons Attribution 4.0 International License.Notes: ICES Data Policy: https://www.ices.dk/data/guidelines-and-policy/Pages/ICES-data-policy.aspx
Description
The dataset includes age- and length-based catch per unit effort data for commercial fish species collected during the Scottish Rockall Survey. more
The Scottish Quarter 3 Rockall survey began in 1985 and was carried out annually until 1997. However, in 1998 it was decided to make the survey a bi-annual event; in 1998 a new survey of deep water stocks was completed, in the future the Rockall survey and a deep water survey will occur in alternate years. The Rockall surveys will generally be in September during odd numbered years. The survey covers only a relatively small area, in the order of eight ICES rectangles. Trawl stations are on known clear tows and vary between 2 and 8 per rectangle depending on the proportion of the area within the 250m depth contour.
The Scottish Quarter 3 Rockall survey began in 1985 and was carried out annually until 1997. However, in 1998 it was decided to make the survey a bi-annual event; in 1998 a new survey of deep water stocks was completed, in the future the Rockall survey and a deep water survey will occur in alternate years. The Rockall surveys will generally be in September during odd numbered years. The survey covers only a relatively small area, in the order of eight ICES rectangles. Trawl stations are on known clear tows and vary between 2 and 8 per rectangle depending on the proportion of the area within the 250m depth contour.
Lineage
Prior to publication data undergo quality control checked which are described in https://github.com/EMODnet/EMODnetBiocheck?tab=readme-ov-file#understanding-the-output
Scope
Themes:
Biology > Fish
Keywords:
Marine/Coastal, ANE, British Isles, Rockall, Bio-geographical regions, Biota, Commercial fisheries, Environment, EurOBIS calculated BBOX, Geoscientific Information, Habitats and biotopes, Metadata non conformant, Metadata not evaluated, No limitations to public access, Oceans, Regional, Sea regions, WGS84 (EPSG:4326), XYZ ASCII
Geographical coverage
ANE, British Isles, Rockall [Marine Regions]
EurOBIS calculated BBOX Stations
Bounding Box
Coordinates: MinLong: -15,2333; MinLat: 56,2 - MaxLong: -13,3323; MaxLat: 57,9078 [WGS84]
Coordinates: MinLong: -15,2333; MinLat: 56,2 - MaxLong: -13,3323; MaxLat: 57,9078 [WGS84]
Temporal coverage
From 1999 on [In Progress]
Two-yearly
Two-yearly
Parameter
Catch per unit effort
Contributors
International Council for the Exploration of the Sea (ICES), more, data manager, data provider, data creator
Holdsworth, Neil
Related datasets
Parent dataset:
DATRAS: ICES Database on Trawl Surveys
Published in:
EurOBIS: European Ocean Biodiversity Information System
Other relation:
SCOROC: DATRAS Scottish Rockall Groundfish Survey, more
URLs
Dataset information:
Other:
Other:
Dataset status: In Progress
Data type: Data
Data origin: Monitoring: field survey
Release date: 2011-01-04
Metadatarecord created: 2010-12-22
Information last updated: 2025-04-22
