Publication - Progress report

Planning Scotland's Seas: 2013 - The Scottish Marine Protected Area Project – Developing the Evidence Base tor Impact Assessments and the Sustainability Appraisal Final Report

Published: 19 August 2013
Topic: Marine and fisheries
ISBN: 9781782567578

This report provides Marine Scotland with evidence on economic and social effects to inform a Business and Regulatory Impact Assessment (BRIA) for each possible NC MPA, and a Sustainability Appraisal for the suite of proposals as a whole.

Supporting documents

Appendix B. Assumptions on MPA Feature Extents

Feature extents for inshore Nature Conservation MPA proposals

MPA proposal	Feature	Available data types and comments	Method on creation of lower extent for IA and management purposes	Method on creation of intermediate extent for IA and management purposes	Method on creation of upper extent for IA and management purposes
East Caithness Cliffs	Black guillemot	ProF database ( GeMS point data).	The MPA is only designated for Black guillemot therefore full MPA boundary extent.	The MPA is only designated for Black guillemot therefore full MPA boundary extent.	The MPA is only designated for Black guillemot therefore full MPA boundary extent.
Fetlar to Haroldswick	Kelp and seaweed sublittoral communities on sublittoral mixed sediment. ( i.e. not on annex I reef)	ProF ( GeMS and 2012 Fetlar survey). UKSeaMap	Distinct cluster of points, polygon created using points to determine the extent.	Distinct cluster of points, polygon created using points to determine the extent.	Distinct cluster of points, polygon created using points to determine the extent.
	Horse mussel beds	ProF ( GeMS and 2012 Fetlar survey).	Distinct cluster of points, polygon created using points to determine the extent.	Distinct cluster of points, polygon created using points to determine the extent.	Distinct cluster of points, polygon created using points to determine the extent.
	Maerl beds	ProF ( GeMS and 2012 Fetlar survey).	Distinct cluster of points, polygon created using points to determine the extent.	Distinct cluster of points, polygon created using points to determine the extent.	Distinct cluster of points, polygon created using points to determine the extent.
	Black guillemot	ProF ( GeMS point data).	The coastline was buffered to 2km and this area within the MPA boundary created the extent.	The coastline was buffered to 2km and this area within the MPA boundary created the extent.	The coastline was buffered to 2km and this area within the MPA boundary created the extent.
	Tide-swept coarse sands with burrowing bivalves	ProF ( GeMS and 2012 Fetlar survey). UkSeaMap polygon data.	Cluster of points, polygons created using points to determine the extent.	Cluster of points, polygons created using points to determine the extent.	Polygon extent of 'Infralittoral coarse sediment' (A5.12) encompassing polygons created from the intermediate scenario.
	Circalittoral sand and coarse sediment communities	ProF points ( GeMS, 2012 Fetlar survey and marine recorder extract). UkSeaMap polygon data.	Cluster of points, polygons created using points to determine the extent. **.	Polygon extent of UKSeaMap for 'circalittoral sand and coarse sediment' encompassing polygons created from the lower scenario.	Polygon extent of UKSeaMap for 'circalittoral sand and coarse sediment' encompassing polygons created from the intermediate scenario.
	Marine geomorphology of scottish shelf seabed (components to be confirmed)	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
Mousa to Boddam	Sandeels	ProF - Marine Scotland Science data sets including polygon data.	Polygons created by Marine Science Scotland of 'Scottish coastal sandeel grounds'.	Polygons created by Marine Science Scotland of 'Scottish coastal sandeel grounds'.	Full MPA boundary extent.
Mousa to Boddam	Marine geomorphology of scottish shelf seabed (components to be confirmed)	GeMS - geodiversity layers.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
Noss Head	Horse mussel beds	ProF - GeMS and Noss Head 2011 survey.	Polygon was created using the extent of the feature point data.	Polygon was created using the extent of the feature point data.	The MPA is only proposed for 'Horse mussel beds' therefore full MPA boundary extent.
Papa Westray	Black guillemot	ProF ( GeMS point data).	The coastline was buffered to 2km and this area within the MPA boundary determined the extent.	The coastline was buffered to 2km and this area within the MPA boundary determined the extent.	The coastline was buffered to 2km and this area within the MPA boundary determined the extent.
Papa Westray	Sand wave field	GeMS - geodiversity layers.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
Wyre and Rousay Sounds	Kelp and seaweed sublittoral communities	ProF - GeMS and 2011 Orkney survey. UKSeaMap	Cluster of points, polygons were created using points to determine the extent..	The whole MPA site is Infralittoral therefore the full MPA boundary was used to create feature polygon.	The whole MPA site is Infralittoral therefore the full MPA boundary was used to create feature polygon.
	Maerl beds	ProF - GeMS and 2011 Orkney survey. UKSeaMap.	Cluster of points, polygons were created using points to determine the extent.	Cluster of points, polygons were created using points to determine the extent.	UKSeaMap 'Infralittoral coarse sediment' polygons and the intermediate extent polygons create the feature extent.
	Marine geomorphology of scottish shelf seabed (components to be confirmed)	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
Clyde Sea Sill	Black guillemot	ProF ( GeMS point data).	The coastline was buffered to 2km and this area within the MPA boundary determined the extent.	The coastline was buffered to 2km and this area within the MPA boundary determined the extent.	The coastline was buffered to 2km and this area within the MPA boundary determined the extent.
	Fronts	GeMS - raster data.	Full MPA boundary extent.	Full MPA boundary extent.	Full MPA boundary extent.
	Circalittoral sand and coarse sediment communities	ProF - 2012 Clyde surveys, point data. UKSeaMap polygon data.	UKSeaMap polygon extents for 'Circalittoral coarse sediment', 'Deep circalittoral coarse sediment', 'Circalittoral fine sand' and 'deep circalittoral sand'.	UKSeaMap polygon extents for 'Circalittoral coarse sediment', 'Deep circalittoral coarse sediment', 'Circalittoral fine sand' and 'deep circalittoral sand'.	UKSeaMap polygon extents for 'Circalittoral coarse sediment', 'Deep circalittoral coarse sediment', 'Circalittoral fine sand' and 'deep circalittoral sand'.
	Sand banks	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Sand ribbon fields	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Sand wave fields	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
Loch Creran	Flame shell beds	ProF - GeMS and 2012 survey . SNH Polygon available	SNH polygon extended slightly to encompass the point data.	SNH polygon extended slightly to encompass the point data.	SNH polygon extended slightly to encompass the point data.
Loch Creran	Quaternary of scotland (components to be confirmed)	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
Lochs Duich, Long and Alsh	Burrowed mud	GeMS - point data UKSeaMap polygon data covers some of the MPA. UKSeaMap combined EUNIS habitats.	A5.3 polygon extents from 'combinedEUNISHabiat' layer extend to encompass feature point data.	A5.3 polygon extents from 'combinedEUNISHabiat' layer extend to encompass feature point data.	Full MPA boundary extent.
Lochs Duich, Long and Alsh	Flame shell beds	ProF - GeMS point data. UKSeaMap combined EUNIS habitats. SNH Polygon.	Extent polygon provided by SNH.	Extent polygon provided by SNH.	Extent polygon provided by SNH.
Loch Sunart	Flame shell beds	ProF - GeMS point data. SNH polygons.	Extent polygon provided by SNH.	Extent polygon provided by SNH extended to encompass outlying data points.	Extent is 50% of the MPA boundary area incorporating the intermediate extents.
	Northern feather star aggregations on mixed substrata	GeMS - point data. SNH polygon data.	Extent polygon provided by SNH.	Extent polygon provided by SNH extended to encompass outlying data points.	Extent is 50% of the MPA boundary area incorporating the intermediate extents.
	Serpulid aggregations	ProF - point data SNH polygon data.	SNH polygon extent	SNH polygon extent	SNH polygon extent
Loch Sunart to the Sound of Jura	Common skate	ProF - point data.	As the feature data is distributed throughout the MPA the full boundary extent is used for the feature.	As the feature data is distributed throughout the MPA the full boundary extent is used for the feature.	As the feature data is distributed throughout the MPA the full boundary extent is used for the feature.
Loch Sunart to the Sound of Jura	Glaciated channels/troughs	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
Loch Sween	Burrowed mud	ProF - GeMS and 2010 survey data. Loch Sween 2013 provisional data.	Cluster of points, polygons were created using points to determine the extent.	Cluster of points, polygons were created using points to determine the extent.	The feature extent was created from the MPA boundary extent cut off at the loch entrance.
	Maerl beds	ProF - GeMS and 1999 survey data. UKSeaMap combined EUNIS habitats. SNH Maerl bed polygons from Loch Sween survey.	SNH feature polygon extents and polygons created from the feature point data.	SNH feature polygon extents and polygons created from the feature point data.	Polygon extent of 'A5.5' from UKSeaMap encompassing the intermediate scenario polygons.
	Native oysters	ProF - GeMS point data.	Cluster of points, polygons were created using points to determine the extent.	Cluster of points, polygons were created using points to determine the extent.	Cluster of points, polygons were created using points to determine the extent.
Monach Isles	Black guillemot	ProF - GeMS point data.	The Monach Islands coastline was buffered to 2km and this area within the MPA boundary determined the extent.	The Monach Islands coastline was buffered to 2km and this area within the MPA boundary determined the extent.	The Monach Islands coastline was buffered to 2km and this area within the MPA boundary determined the extent.
	Landscape of areal glacial scour	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Marine geomorphology of scottish shelf seabed (components to be confirmed)	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
North-west sea lochs and Summer Isles	Burrowed mud	ProF - point data. UKSeaMap	UKSeaMap mud habitat polygons extended to encompass the feature point data. This extent is 50% of the MPA area.	Full MPA boundary extent was used for the feature extent.	Full MPA boundary extent was used for the feature extent.
	Flame shell beds	GeMS - point data UKSeaMap SNH Polygon	SNH polygon extent was used.	SNH polygon extent extended to encompass the feature point data.	SNH polygon extent extended to encompass the feature point data.
	Sublittoral kelp and seaweed communities on sediment	GeMS - point data UKSeaMap	The feature point data was used to determine the extent.	The extent encompasses Infralittoral polygons from UKSeaMap and the lower scenario polygons.	The extent encompasses Infralittoral polygons from UKSeaMap and the lower scenario polygons.
	Maerl beds	GeMS - point and polygon data. UKSeaMap SNH polygon data	SNH polygon extent	SNH polygon extent	The extent created was using UKSeaMap infralittoral sediments polygons and the intermediate scenario extents.
	Maerl or coarse shell gravel with burrowing sea cucumbers	GeMS - point data UKSeaMap SNH polygon data	SNH polygon extent	SNH polygon extent	The extent created was using UKSeaMap infralittoral sediments polygons and the intermediate scenario extents.
	Native oysters	GeMS - point data UKSeaMap SNH polygon data	SNH polygon extent	SNH polygon extent	SNH polygon extent
	Northern feather star aggregations on mixed substrata	GeMS - point data SNH polygon data	SNH polygon extent	SNH polygon extent	SNH polygon extent extended to encompass the feature point data.
	Circalittoral muddy sand communities	ProF - Marine recorder point data. UKSeaMap (predicted and combined habitats layers).	UKSeaMap polygons for "Circalittoral fine sand or circalittoral muddy sand" extended to include the feature point data.	UKSeaMap combined habitats polygons for A5.2 and A5.3 incorporating the lower extent polygons.	UKSeaMap combined habitats polygons for A5.2 and A5.3 incorporating the lower extent polygons.
	Glaciated channels/troughs	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Megascale glacial lineations	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Moraines	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Slide scars	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Pockmarks	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Banks of unknown substrate	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
Small Isles	Burrowed mud	ProF - point data. UKSeaMap	UKSeaMap predicted A5.3 polygons were used for the feature extents.	UKSeaMap predicted A5.3 polygons extended to include feature data points was used to create the feature extent.	UKSeaMap predicted A5.3 polygons extended to include feature data points was used to create the feature extent.
	Horse mussel beds	ProF - point data. UKSeaMap SNH polygon	SNH polygon extents.	SNH polygon extents.	SNH polygon extents extended to include feature point data.
	Northern sea fan and sponge communities	ProF - point data. UKSeaMap SNH Polygon	SNH polygon extents.	SNH polygon extents.	Extent of UKSeaMap 'circalittoral rock' polygons.
	Fan mussel aggregations	ProF - point data. SNH Polygon	SNH polygon extents.	SNH polygon extents.	SNH polygon extents extended to include feature point data.
	Northern feather star aggregations on mixed substrata	ProF - point data. SNH to send polygon	SNH polygon extents.	SNH polygon extents.	SNH polygon extents extended to include feature point data.
	Black guillemot	ProF ( GeMS point data).	The coastline was buffered to 2km and this area within the MPA boundary determined the extent.	The coastline was buffered to 2km and this area within the MPA boundary determined the extent.	The coastline was buffered to 2km and this area within the MPA boundary determined the extent.
	Shelf deeps	GeMS - Large Scale features polygons.	Extent of large scale feature polygon revised by SNH in March 2013.	Extent of large scale feature polygon revised by SNH in March 2013.	Extent of large scale feature polygon revised by SNH in March 2013..
	White cluster anemone *Not an MPA feature.	GeMS - point data UKSeaMap Only of interest within Northern sea fan communities.	Extent is SNH polygons for Northern sea fan and sponge communities where feature points are within the polygons.	Extent is SNH polygons for Northern sea fan and sponge communities where feature points are within the polygons.	Extent is SNH polygons for Northern sea fan and sponge communities where feature points are within the polygons.
	Circalittoral sand and mud communities	ProF - point data UKSeaMap	UKSeaMap circalittoral sand and mud polygons used to create extent.	UKSeaMap circalittoral sand and mud polygons used to create extent extended to encompass the feature point data.	UKSeaMap circalittoral sand and mud polygons used to create extent extended to encompass the feature point data.
	Glaciated channels/troughs	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Glacial lineations	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
South Arran	Burrowed mud	ProF - point data. UKSeaMap SNH polygons	SNH polygon extents.	SNH polygon extents.	UKSeaMap extent of mud habitats extended to include the intermediate scenario polygons.
	Kelp and seaweed communities on sediment	ProF - point data. UKSeaMap SNH Polygons	SNH polygon extents.	SNH polygon extents.	Extent of UKSeaMap infralittoral habitats extended to encompass the intermediate scenario polygons.
	Maerl beds	ProF - point data UKSeaMap SNH Polygons	SNH polygon extents.	SNH polygon extents extended to encompass the feature point data.	UKSeaMap polygons for Infralittoral coarse or mixed sediments extended to include intermediate scenario extents.
	Maerl or coarse shell gravel with burrowing sea cucumbers	ProF - point data UKSeaMap SNH Polygons	SNH polygon extents.	SNH polygon extents extended to encompass the feature point data.	UKSeaMap polygons for Infralittoral coarse or mixed sediments extended to include intermediate scenario extents.
	Seagrass beds	ProF - point data and small polygons UKSeaMap SNH Polygons	SNH polygon extents.	SNH polygon extents extended to encompass the feature point data.	Use UKSeaMap polygons for Infralittoral sand, mud, mixed or coarse sediments extended to include the intermediate extent scenarios.
	Tide-swept coarse sands with burrowing bivalves	ProF - point data UKSeaMap SNH Polygons	SNH polygon extents.	SNH polygon extents extended to encompass the feature point data.	Use UKSeaMap polygons for Infralittoral sand, mud, mixed or coarse sediments extended to include the intermediate extent scenarios.
	Ocean quahog	ProF - point data. UKSeaMap	UKSeaMap polygon extents for 'circalittoral sand and mud' and 'deep circalittoral sand and mud' sediments.	UKSeaMap polygon extents for 'circalittoral sand and mud' and 'deep circalittoral sand and mud' sediments.	UKSeaMap polygon extents for 'circalittoral sand and mud' and 'deep circalittoral sand and mud' sediments.
	Herring spawning grounds	ProF - 1991 egg presence polygon data created by SNH from papers.	SNH polygon extents.	SNH polygon extents.	SNH polygon extents.
Upper Loch Fyne and Loch Goil	Burrowed mud	ProF - point data. UKSeaMap combined EUNIS habitats.	UKSeaMap combined EUNIS habitats polygon extents for 'infralittoral and circalittoral mud'.	The lower scenario extent extended to encompass outlying data points.	Full MPA boundary extent.
	Flame shell beds	ProF - point data. SNH polygon data	SNH polygon extents.	SNH polygon extents.	SNH polygon extents.
	Horse mussel beds	ProF - point data.	Cluster of points, polygons were created using points to determine the extent.	Cluster of points, polygons were created using points to determine the extent.	Cluster of points, polygons were created using points to determine the extent.
	Low or variable salinity habitats	ProF - point data.	MPA boundary for Loch Goil area and Dubh Loch.	MPA boundary for Loch Goil area and Dubh Loch.	MPA boundary for Loch Goil area and Dubh Loch.
	Sublittoral mud and mixed sediment communities	ProF - point data. UKSeaMap combined EUNIS habitats	UKSeaMap combined EUNIS habitats polygon extents for 'infralittoral and circalittoral muds and mixed sediments'.	The lower scenario extent extended to encompass outlying data points.	Full MPA boundary extent.
	Ocean quahog	ProF - point data UKSeaMap combined EUNIS habitats.	UKSeaMap combined EUNIS habitats polygons for 'infralittoral and circalittoral mud and sand'.	Full MPA boundary extent.	Full MPA boundary extent.

Feature extents for offshore Nature Conservation MPA proposals:

MPA proposal	Feature	Available data types and comments	Method on creation of lower extent for IA and management purposes	Method on creation of intermediate extent for IA and management purposes	Method on creation of upper extent for IA and management purposes
Central Fladen	Burrowed mud (seapens and burrowing megafauna		Full MPA boundary extent.	Full MPA boundary extent.	Full MPA boundary extent.
	Burrowed mud (tall seapen)	JNCC Polygon	JNCC polygon used for feature extent.	JNCC polygon used for feature extent.	MPA boundary extent for Central Fladen core.
	Tunnel Valley	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
East of Gannet and Montrose Fields	Ocean quahog aggregations (including offshore subtidal sands and gravels)		Full MPA boundary extent.	Full MPA boundary extent.	Full MPA boundary extent.
East of Gannet and Montrose Fields	Offshore deep sea muds	UKSeaMap	UKSeaMap extent of 'deep sea muds'.	UKSeaMap extent of 'deep sea muds'.	UKSeaMap extent of 'deep sea muds'.
Faroe-Shetland Sponge Belt	Ocean quahog aggregations	JNCC Polygon	JNCC polygon used for feature extent, MPA boundary down to 400m.	JNCC polygon used for feature extent, MPA boundary down to 400m.	JNCC polygon used for feature extent, MPA boundary down to 400m.
	Deep sea sponge aggregations	JNCC Polygon	Cluster of points, polygons created using points to determine the extent.	Cluster of points, polygons created using points to determine the extent.	JNCC polygon used for feature extent (400-600m depth band within MPA boundary).
	Offshore subtidal sands and gravel		Full MPA boundary extent.	Full MPA boundary extent.	Full MPA boundary extent.
	Continental slope	GeMS - large scale feature extent	Extent of large scale feature polygon.	Extent of large scale feature polygon.	Extent of large scale feature polygon.
	Iceberg plough mark fields	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Continental slope channels	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Slide deposits	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Sediment wave fields and sand wave fields	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
Firth of Forth Banks Complex	Ocean quahog aggregations		Full MPA boundary extent.	Full MPA boundary extent.	Full MPA boundary extent.
	Offshore subtidal sands and gravel		Full MPA boundary extent.	Full MPA boundary extent.	Full MPA boundary extent.
	Shelf banks and mounds	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Moraines	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
Geikie Slide and Hebridean Slope	Burrowed mud	JNCC feature polygon JNCC fishing corridors	JNCC feature polygon with the fishing corridor areas removed.	JNCC feature polygon with the fishing corridor areas removed.	Full extent of the JNCC feature polygon.
	Offshore deep sea muds (slope)	JNCC feature polygon JNCC fishing corridors	JNCC feature polygon with the fishing corridor areas removed.	JNCC feature polygon with the fishing corridor areas removed.	Full extent of the JNCC feature polygon.
	Offshore subtidal sands and gravels (shelf and slope)	JNCC feature polygon JNCC fishing corridors	JNCC feature polygon with the fishing corridor areas removed.	JNCC feature polygon with the fishing corridor areas removed.	Full extent of the JNCC feature polygon.
	Continental slope	GeMS - large scale feature extent.	Extent of large scale feature polygon.	Extent of large scale feature polygon.	Extent of large scale feature polygon.
	Slide deposits	GeMS - geodiversity layers.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
Hatton-Rockall Basin	Deep sea sponge aggregations	JNCC feature polygon	JNCC polygon used for feature extent.	JNCC polygon used for feature extent.	Full MPA boundary extent.
	Offshore deep sea muds		Full MPA boundary extent.	Full MPA boundary extent.	Full MPA boundary extent.
	Sediment drifts	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Polygonal fault systems	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
NE Faroe Shetland Channel	Deep sea sponge aggregations	GeMS - point data JNCC feature polygon	Cluster of points, polygons were created using points to determine the extent.	Cluster of points, polygons were created using points to determine the extent.	JNCC polygon used for feature extent (400-600m depth band within MPA boundary).
	Offshore deep sea muds	UKSeaMap	UKSeaMap extent of 'deep sea muds'.	UKSeaMap extent of 'deep sea muds'.	UKSeaMap extent of 'deep sea muds'.
	Offshore subtidal sands and gravels	UKSeaMap	UKSeaMap extent of 'Offshore subtidal sands and gravels'.	UKSeaMap extent of 'Offshore subtidal sands and gravels'.	UKSeaMap extent of 'Offshore subtidal sands and gravels'.
	Continetal slope	GeMS - large scale feature extent.	Extent of large scale feature polygon.	Extent of large scale feature polygon.	Extent of large scale feature polygon.
	Prograding wedge	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Slide deposits	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Contourite sand/silt	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Pilot whale diapirs	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
Northwest Orkney	Sandeels		Full MPA boundary extent.	Full MPA boundary extent.	Full MPA boundary extent.
Northwest Orkney	Sediment wave fields, sand banks and sand wave fields	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
Norwegian Boundary Sediment Plain	Ocean quahog aggregations (including offshore subtidal sands and gravels)		Full MPA boundary extent.	Full MPA boundary extent.	Full MPA boundary extent.
Rosemary Bank Seamount	Seamount communities	JNCC feature data GeMS - point data	Cluster of points, polygons were created using points to determine the extent.	JNCC polygon used for feature extent, area is smaller extent than the upper scenario.	JNCC polygon used for feature extent.
	Deep sea sponge aggregations	JNCC feature data GeMS - point data	Cluster of points, polygons were created using points to determine the extent.	JNCC polygon used for feature extent, area is smaller extent than the upper scenario.	JNCC polygon used for feature extent.
	Iceberg ploughmark fields	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Slide scars	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Scour moat	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Sediment drifts	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Sediment wave field	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Rosemary bank seamount	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
South-East Fladen	Burrowed mud		Full MPA boundary extent.	Full MPA boundary extent.	Full MPA boundary extent.
South-East Fladen	Pockmarks	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
South-West Sula Sgeir & Hebridean Slope	Burrowed mud	JNCC feature polygon. JNCC fishing corridors.	JNCC feature polygon with the fishing corridor areas removed.	JNCC feature polygon with the fishing corridor areas removed.	Full extent of the JNCC feature polygon.
	Offshore deep sea muds (slope)	JNCC feature polygon. JNCC fishing corridors.	JNCC feature polygon with the fishing corridor areas removed.	JNCC feature polygon with the fishing corridor areas removed.	Full extent of the JNCC feature polygon.
	Offshore subtidal sands and gravels (shelf and slope)	JNCC feature polygon. JNCC fishing corridors.	JNCC feature polygon with the fishing corridor areas removed.	JNCC feature polygon with the fishing corridor areas removed.	Full extent of the JNCC feature polygon.
	Continental slope	GeMS - large scale feature extent.	Extent of large scale feature polygon.	Extent of large scale feature polygon.	Extent of large scale feature polygon.
	Iceberg ploughmarks	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Prograding wedge	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Slide deposits	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
The Barra Fan and Hebrides Terrace Seamount	Coral gardens	JNCC feature polygon	JNCC polygon used for feature extent, area is smaller extent than the upper scenario.	JNCC polygon used for feature extent, area is smaller extent than the upper scenario.	JNCC polygon used for feature extent.
	Burrowed mud	JNCC feature polygon. JNCC fishing corridors.	JNCC feature polygon with the fishing corridor areas removed.	JNCC feature polygon with the fishing corridor areas removed.	Full extent of the JNCC feature polygon.
	Offshore deep sea muds (slope)	JNCC feature polygon. JNCC fishing corridors.	JNCC feature polygon with the fishing corridor areas removed.	JNCC feature polygon with the fishing corridor areas removed.	Full extent of the JNCC feature polygon.
	Offshore subtidal sands and gravels (Shelf and Slope)	JNCC feature polygon. JNCC fishing corridors.	JNCC feature polygon with the fishing corridor areas removed.	JNCC feature polygon with the fishing corridor areas removed.	Full extent of the JNCC feature polygon.
	Orange roughy	GeMS - geodiversity layers	The Hebrides terrace seamount geodiversity feature polygon was used to determine extent.	The Hebrides terrace seamount geodiversity feature polygon was used to determine extent.	The Hebrides terrace seamount geodiversity feature polygon was used to determine extent.
	Seamount communities	JNCC feature polygons	JNCC polygon used for feature extent, area is smaller extent than the upper scenario.	JNCC polygon used for feature extent, area is smaller extent than the upper scenario.	JNCC polygon used for feature extent.
	Seamounts and continental slope	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Iceberg ploughmarks	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Prograding wedge	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Continental slope turbidite canyons	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Slide deposits	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
	Continental slope	GeMS - large scale feature extent.	Extent of large scale feature polygon.	Extent of large scale feature polygon.	Extent of large scale feature polygon.
	Hebrides terrace seamount	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
Turbot Bank	Offshore subtidal sands and gravels		Full MPA boundary extent.	Full MPA boundary extent.	Full MPA boundary extent.
	Sandeels		Full MPA boundary extent.	Full MPA boundary extent.	Full MPA boundary extent.
	Shelf banks and mounds	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.
West Shetland Shelf	Offshore subtidal sands and gravels	UKSeaMap	Full MPA boundary extent.	Full MPA boundary extent.	Full MPA boundary extent.
Western Fladen	Burrowed mud		Full MPA boundary extent.	Full MPA boundary extent.	Full MPA boundary extent.
Western Fladen	Tunnel valley	GeMS - geodiversity layers	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.	Geodiversity feature polygons which fall within the MPA boundary.

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Appendix B. Assumptions on MPA Feature Extents

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