2009 Scottish Natural Heritage North Rona SAC Broad Scale Mapping Survey

Availability:
Not released
Published by:
Marine Environmental Data & Information Network
Last updated:
31 December 2010
Topic:
Not added
Licence:
Other Licence
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Summary

The purpose of this broad scale mapping (BSM) study was to obtain an estimation of the geographic distribution and extent of the qualifying biological resources (habitats and their associated biological communities – biotopes) within the protected area in order that a comprehensive management plan can be developed for North Rona marine SAC. The survey area encompasses the seabed all around North Rona. BSM was conducted in two phases: 1) an acoustic survey; 2) a ground-truthing survey through camera deployments (video and still photography). The aim of the acoustic element of the survey was to identify different backscatter returns and describe, as well as delineate, the extent of the various seabed habitat types occurring around North Rona. A digital sidescan sonar mosaic, in conjunction with single beam echo sounder derived bathymetry, provided the initial broadview to map the substrata present throughout the survey area as well as allowing the identification of any features of interest. The aim of the ground-truthing element of the survey was to provide a description of the richness and diversity of the habitats on both rocky reef and the softer sediments. The biotope distribution and species composition was developed through interpretation of dropdown video footage and digital still photography, taken after evaluation of the sidescan mosaic. All survey operations were conducted by contractors Seastar Survey Ltd from their vessel SV Otarie.

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Additional information

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Added to data.gov.uk
2018-11-21
Access contraints
no restrictions to public access
Harvest GUID
336d9987-c267-491a-b2a8-cb0aaba28ec1
Extent
Latitude: 59.1404° to 59.1112°
Longitude: -5.8556° to -5.7993°
Spatial reference system
urn:ogc:def:crs:EPSG::4326
Dataset reference date
2010-12-31 (publication)
Frequency of update
notPlanned
Responsible party
Scottish Natural Heritage, Inverness (custodian); SeaStar Survey (originator)
ISO 19139 resource type
dataset
Metadata language
eng
Source Metadata
XML
HTML

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Licence information

Not for navigational use; SNH copyright data which is available for re-use under government licence terms: http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/