Open Government Licence (OGL)

Aquaculture - Guidance on the location of marine fish farms - April 2024

Marine Scotland Information NMPi icon

Category 1, 2 and 3 areas are designated on the basis of Marine Scotland predictive models to estimate environmental sensitivity of sea lochs. The maps describe the Category 1, 2 and 3 areas for the Scottish Government Locational Guidelines, designated on the basis of Marine Scotland Science predictive modelling to estimate nutrient enhancement and benthic impact in sea lochs or similar water bodies supporting aquaculture. The sum of these indices was used for the categorisation of areas as indicated: Combined 'nutrient enhancement' and 'benthic impact' indices 7 - 10 (Category 1), 5 - 6 (Category 2), 0 - 4 (Category 3). For a detailed explanation of how these categorisations were derived, refer to the Scottish Fisheries Research (now Marine Scotland Science) Report "Scottish Executive locational guidelines for fish farming: predicted levels of nutrient enhancement and benthic impact"

Aquaculture - Disease Management Areas - March 2024

Marine Scotland Information NMPi icon

Management Areas were established in the Final Report of the Joint Government/Industry Working Group on Infectious Salmon Anaemia in January 2000, based on tidal excursions around active farms. Farms with overlapping tidal excursions will usually be within the same management area.

Recommendations include that all sites within the same management area follow an acceptable stocking strategy (see figure 10.1 in Code of Practice) such that fallowing within a management area is synchronised. Fish farmers are encouraged to look carefully at the areas before stocking sites. New sites that would have no effect on management areas or are in management areas of their own pose less of a risk to the spread of disease than those which bridge management areas.

Stocking a previously unused site that may bridge management areas should be avoided. Fish Farmers should consider not restocking a site if it would create a "fire break" and split one of the larger management areas into two smaller areas.

The Management Area Maps will be updated when a change in site use leads to a significant change a management area but if you require a map showing the effect of stocking or inactivating a specific site please contact the Duty Inspector at the Fish Health Inspectorate (FHI)

Aquaculture - Shellfish waters protected areas (SEPA WMS)

Marine Scotland Information NMPi icon

This layer contains locations of shellfish growing waters designated in line with the Shellfish Waters Directive (2006/113/EC) by Scottish Government under The Water Environment (Shellfish Water Protected Areas: Designation) (Scotland) Order 2013. Waters are used for commercial shellfish cultivation. Water quality in designated areas is regularly monitored by SEPA.

Sea Fisheries Statistics - Districts (2013 onwards)

Marine Scotland Information NMPi icon

The annual Scottish Sea Fisheries Statistics report is aggregated into districts, which reflect the area of responsibility of the local fishery office. This dataset shows the approximate extent of each district using the 1:50,000 scale OS Meridian 2 mean high water spring coastline. The districts are for illustrative purposes only. The districts were updated in the 2013 report to reflect changes in responsibility of the Ullapool fishery office and renamed the Pittenweem district as Anstruther.


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