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ScotMap is a Marine Scotland project which provides spatial information on the fishing activity of Scottish registered commercial fishing vessels under 15 m in overall length. The data were collected during face-to-face interview with individual vessel owners and operators and relate to fishing activity for the period 2007 to 2011. The data are aggregated and analysed to provide information on the monetary value, relative importance (relative value) and the usage (number of fishing vessels and crew) of seas around Scotland.

The dataset, as of July 2013, is based on interviews of 1,090 fishermen. Individuals defined their fishing areas with variable levels of precision. Users of the data should be aware of this, particularly of the coverage provided by the ScotMap data set which varies regionally.

This layer shows the number of vessels in polygons identifying Norway Lobster (Nephrops norvegicus) as the primary target species where fishing gear is pots.

ScotMap is a Marine Scotland project which provides spatial information on the fishing activity of Scottish registered commercial fishing vessels under 15 m in overall length. The data were collected during face-to-face interview with individual vessel owners and operators and relate to fishing activity for the period 2007 to 2011. The data are aggregated and analysed to provide information on the monetary value, relative importance (relative value) and the usage (number of fishing vessels and crew) of seas around Scotland.

The dataset, as of July 2013, is based on interviews of 1,090 fishermen. Individuals defined their fishing areas or 'polygons' with variable levels of precision. Users of the data should be aware of this, particularly of the coverage provided by the ScotMap data set which varies regionally.

This layer shows the number of crew associated with each grid cell. The average number of crew working on a vessel is attributed to each polygon for that vessel. The same value is then allocated to each overlapping grid cell and numbers summed to derive the number of crew associated with each grid cell.

The 2010 Charting Progress 2 assessment (UKMMAS 2010) subdivided UK waters into eight regions to assess how human use and other pressures were affecting the productivity of UK seas. Regional boundaries were developed in 2009, adapting 'regional seas' previously identified on the basis of physical and biological biogeography by the Review of Marine Nature Conservation (RMNC) 2004. The CP2 'Reporting Regions' have subsequently informed a variety of MPA designation, marine assessment and reporting purposes and continue to be used, for example in the selection of Highly Protected Marine Areas, indicators for the ecological status of the water environment, and the aggregation of marine biotope sensitivity information.

JNCC updated the CP2 Reporting Regions dataset in 2022, making improvements to the inner (coastal) and outer (UK maritime limit) boundaries of the reporting regions. This incorporated up-to-date UK Exclusive Economic Zone and Continental Shelf limits and mean high water (springs) coastlines across the UK. No substantive changes were made to the biogeographic boundaries, but these were edited to join up with updated coastlines (as required) and minor topological issues (e.g. overlaps between polygons) were also addressed. See lineage for further details.

Note that the use of the CP2 Reporting Regions (or other biogeographic regions and assessment units) by JNCC, the SNCBs and other ALBs will vary by purpose. Variations of the CP2 Reporting Regions may be used for assessment purposes.

Data notes and limitations: • open data coastline datasets used in the 2022 update were of medium spatial resolution, lacking detail in some areas (e.g. sea lochs and islets in the Hebrides, Orkneys and Shetland, pladdies in Strangford Loch and islets around Northern Ireland). • part of the Scottish Continental Shelf (region 7) boundary was originally drawn to align with the UK Territorial Waters limit around Orkney and Fair Isle. This section of boundary has not been updated and therefore remains consistent with the biogeographic boundary created in 2009. • in the absence of formally agreed maritime limits, linework from the original 2009 CP2 Reporting Regions data set has been retained to represent the boundary between the Northern Ireland Inshore Region and Republic of Ireland inshore waters.

International Council for the Exploration of the Seas (ICES) standardise the division of sea areas for statistical analysis. Each ICES statistical rectangle is ’30 min latitude and 1 degree longitude’ in size. And are approximately 30 nautical miles square.