Identification

Title

Croker carbonate slabs, Mid-Irish Sea

Abstract

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. Additional information source: 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

Resource type

dataset

Resource locator

http://data.jncc.gov.uk/data/15c033a9-9fc6-4f3d-afb3-642f9998e91c-GB001117.zip

name: GB001117.zip

Unique resource identifier

code

15c033a9-9fc6-4f3d-afb3-642f9998e91c

codeSpace

Dataset language

eng

Spatial reference system

code identifying the spatial reference system

Additional information source

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

Classification of spatial data and services

Topic category

biota

Keywords

Keyword set

keyword value

Marine

Seabed Habitats and Geology

GB001117

Corpulent

EUNIS

Confidence assessment required

Show on webGIS

Dredges

Drop camera

Grabs

Multibeam echo sounder

Side scan sonar

Towed video

Geographic location

West bounding longitude

-5.294621

East bounding longitude

-5.177528

North bounding latitude

53.570263

South bounding latitude

53.353367

Temporal reference

Temporal extent

Begin position

2008-05-18

End position

2008-05-27

Dataset reference date

date type

publication

effective date

2008-05-01

Frequency of update

Quality and validity

Lineage

Classification system details: EUNIS habitats and a separate Annex I layer. Survey technique details: Multibeam: Kongsberg EM3000D (at 300kHz); Sidescan: Benthos SIS 1624; 0.1m2 Hamon grab; rock dredge

Conformity

Data format

name of format

Geospatial (vector polygon)

version of format

Unknown

Constraints related to access and use

Constraint set

Use constraints

Available under the Open Government Licence v3.0. Attribution statement: “Contains public sector data from © JNCC 2016. Contains public sector information, licensed under the Open Government Licence v3.0, from the Maritime and Coastguard Agency."

Limitations on public access

None

Responsible organisations

Responsible party

organisation name

Digital and Data Solutions, JNCC

email address

data@jncc.gov.uk

responsible party role

originator

Metadata on metadata

Metadata point of contact

organisation name

Digital and Data Solutions, JNCC

email address

data@jncc.gov.uk

responsible party role

pointOfContact

Metadata date

2018-06-14

Metadata language

eng