Marine substratum and biotope maps of the Maidens/Klondyke bedrock outcrops, Northern Ireland

J Strong, M Service, RMK Plets, A Clements, R Quinn

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The Maidens (including the North and Outer Klondyke) are a group of bedrock extrusions about 14 km northeast of Larne, off the coast of Northern Ireland (central point for Maidens Complex: 54°57′50.0, −5°42′20.0). Multibeam echosounder data have been combined with extensive ground-truthing to produce broad-scale substratum and biotope maps for the site. The bathymetry was used to derive rasters of slope gradient, rugosity, aspect, and fine- and broad-scale benthic position index which were used for further analyses with Principal Components Analysis. Ground-truthing data were used to create sample signatures and a Maximum Likelihood Analysis performed to classify the surfaces according to that signature. The supervised classifications generated distributions for three broad-scale substrata and habitat biotopes (six level three biotopes, four level four and one level five biotope). The maps provide critical information and distributions that greatly facilitate the conservation, management and monitoring of a proposed Special Area of Conservation.
LanguageEnglish
Pages129-135
JournalJournal of Maps
Volume8
Issue number2
DOIs
Publication statusPublished - 21 May 2012

Fingerprint

biotope
bedrock
outcrop
maximum likelihood analysis
conservation management
raster
image classification
extrusion
bathymetry
principal component analysis
coast
habitat
monitoring
distribution

Keywords

  • Maidens
  • Klondyke
  • rocky reef
  • marine biotopes
  • habitat map
  • marine
  • seabed
  • bedrock
  • Northern-Ireland

Cite this

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abstract = "The Maidens (including the North and Outer Klondyke) are a group of bedrock extrusions about 14 km northeast of Larne, off the coast of Northern Ireland (central point for Maidens Complex: 54°57′50.0, −5°42′20.0). Multibeam echosounder data have been combined with extensive ground-truthing to produce broad-scale substratum and biotope maps for the site. The bathymetry was used to derive rasters of slope gradient, rugosity, aspect, and fine- and broad-scale benthic position index which were used for further analyses with Principal Components Analysis. Ground-truthing data were used to create sample signatures and a Maximum Likelihood Analysis performed to classify the surfaces according to that signature. The supervised classifications generated distributions for three broad-scale substrata and habitat biotopes (six level three biotopes, four level four and one level five biotope). The maps provide critical information and distributions that greatly facilitate the conservation, management and monitoring of a proposed Special Area of Conservation.",
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Marine substratum and biotope maps of the Maidens/Klondyke bedrock outcrops, Northern Ireland. / Strong, J; Service, M; Plets, RMK; Clements, A; Quinn, R.

In: Journal of Maps, Vol. 8, No. 2, 21.05.2012, p. 129-135.

Research output: Contribution to journalArticle

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