Croker Carbonate Slabs, Mid-Irish Sea

In May 2008 (18-27 May), a survey commissioned by JNCC undertook seabed habitat investigations of two Areas of Search (AoS) for offshore SACs. The objectives of this survey, within the Submarine structures in the mid-Irish Sea AoS and the Solan Bank AoS, were to acquire high quality acoustic data capable of identifying and delineating habitats listed under Annex I of the 1992 EC Habitats Directive; primarily the Annex I habitat Submarine structures made by leaking gases in the former AoS and Annex I Reef habitat in the latter AoS. Surveys consisted of both broad-scale and fine-scale acoustic techniques, utilising sidescan sonar and multibeam swathe bathymetry, along with a variety of ground-truthing techniques including towed and drop down video/stills and Hamon grab sampling. A Rock dredge was also used at a few stations in order to gather samples of epibiota from hard substrata to assist with the taxonomic identification of the video and still images. The range of sampling techniques employed ensured that any Annex I habitats could be adequately described and characterised. For both AoSs survey planning and interpretation of survey data utilised extensive pre-existing data sets.

Alternate title: GB001117

Date (Publication): 2008-05-31

Citation identifier: GB001117

Point of contact

Organisation name	Individual name	Electronic mail address	Role
Joint Nature Conservation Committee (JNCC) - Marine Conservation Branch, Peterborough	Helen Ellwood	helen.ellwood@jncc.gov helen.ellwood@jncc.gov.uk	Originator
Joint Nature Conservation Committee (JNCC) - Marine Conservation Branch, Peterborough	Helen Ellwood	helen.ellwood@jncc.gov helen.ellwood@jncc.gov.uk	Custodian

Maintenance and update frequency: Not planned

Resource format

Name	Version
Geographic Information System

Keywords

Marine Environmental Data and Information Network

GEMET - INSPIRE themes, version 1.0

Habitats and biotopes

INSPIRE THEMES

Habitats and biotopes

GEMET

Geology

SeaDataNet P021 parameter discovery vocabulary

Habitat extent
Habitat characterisation

Use limitation: Data is freely available for research or commercial use providing that the originators are acknowledged in any publications produced.

Access constraints: Other restrictions

Other constraints: No restrictions to public access

Language: English

Topic category

Biota

Geographic identifier: benthic boundary layer
SeaDataNet vertical extent keywords 2010-01-01

Geographic identifier: Irish Sea
Charting Progress 2 Sea Areas 2009-06-18

Supplemental Information: Whomersley, P., Wilson, C., Clements, A., Brown, C., Long, D., Leslie, A., Limpenny, D. 2010. Understanding the marine environment - seabed habitat investigations of Submarine Structures in the mid-Irish Sea and Solan Bank Area of Search (AoS). JNCC Report 430.

Reference system identifier: urn:ogc:def:crs:EPSG::4326

Distribution format

OnLine resource

Protocol	Linkage	Name
	https://www.emodnet-seabedhabitats.eu/resources/mesh-archive/
OGC:WMS	https://ows.emodnet-seabedhabitats.eu/geoserver/emodnet_view_maplibrary/wms?	gb001117
OGC:WFS	https://ows.emodnet-seabedhabitats.eu/geoserver/emodnet_open_maplibrary/wfs?	gb001117
WWW:LINK-1.0-http--link	https://files.emodnet-seabedhabitats.eu/data/EMODnetSBHsurvey_GB001117.zip	EMODnet Seabed Habitats download

Hierarchy level: Dataset

Conformance result

Date (Publication)

Pass

Statement: Survey techniques: Multibeam echo sounder (Kongsberg EM3000D (300kHz)); Side scan sonar (Benthos SIS 1624); Towed video; Drop camera; Grabs (0.1m2 Hamon grab); Dredges (rock dredge)

Original classification: EUNIS and Annex I submarine structures and reefs

Translated classification: EUNIS version 2007-11

Link to MESH confidence assessment: https://www.emodnet-seabedhabitats.eu/resources/mesh-archive/

Metadata

File identifier: 4de55d9f80f5b2580fd572080d7fcf69 XML

Metadata language: English

Hierarchy level: Dataset

Date stamp: 2022-02-17T16:30:18

Metadata standard name: MEDIN Discovery metadata standard

Metadata standard version: 2.3.4

Metadata author

Organisation name	Individual name	Electronic mail address	Role
Joint Nature Conservation Committee (JNCC) - Marine Conservation Branch, Peterborough	Helen Ellwood	helen.ellwood@jncc.gov helen.ellwood@jncc.gov.uk	Point of contact

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