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Epibenthic diversity in the North Sea

Ruth Zühlke, John Alvsvåg, Ingeborg Boois, John Cotter, Siegfried Ehrich, Alex Ford, Hilmar Hinz, Astrid Jarre-Teichmann, Simon Jennings, Ingrid Kröncke, John Lancaster, Gerjan Piet, Philip Prince, Ruth Callaway

Senckenbergiana maritima, Volume: 31, Issue: 2, Pages: 269 - 281

Swansea University Author: Ruth Callaway

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DOI (Published version): 10.1007/BF03043036

Abstract

In 1999 the epibenthic fauna of the North Sea was investigated using the 3rd quarter 'InternationalBottom Trawl Survey' of five European countries. Altogether 241 stations were sampled covering 143 ICES rectangles.The objectives of the project were (i) to analyse epibenthic diversity patte...

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Published in: Senckenbergiana maritima
ISSN: 0080-889X
Published: 2001
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URI: https://cronfa.swan.ac.uk/Record/cronfa13089
first_indexed 2013-07-23T12:09:27Z
last_indexed 2019-06-12T19:28:29Z
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spelling 2019-06-12T16:46:16.9294724 v2 13089 2012-10-16 Epibenthic diversity in the North Sea 61d7fe28cbb286de1c9c43f45014c490 Ruth Callaway Ruth Callaway true false 2012-10-16 BGPS In 1999 the epibenthic fauna of the North Sea was investigated using the 3rd quarter 'InternationalBottom Trawl Survey' of five European countries. Altogether 241 stations were sampled covering 143 ICES rectangles.The objectives of the project were (i) to analyse epibenthic diversity patterns in the North Sea,(ii) to identify the spatial distribution of faunal communities and (iii) to relate environmentalfactors as well as fishing effort to species diversity.Epibenthic fauna was clearly divided between the southern North Sea and the centralnorthernNorth Sea, roughly along the 50 m depth Iine. The separation was based on an overallhigher number of species in the central and northern North Sea anda change in the speciescomposition from north to south.Sessile fauna including erect, branching species like bryozoans and hydrozoans were particularlydiverse along a corridor in the central-northern North Sea between 56 ~ and 58~ coincidingwith the area between the 50 m and 100 m depth line. Cluster analysis, based on the structure ofthe community, confirmed the north-south gradient found for species diversity. Separation ofclusters was driven to a great extent by species occurring predominantly or exclusively north ofthe 50 m contour line. Few species were exclusive to the south, but a number of scavengingspecies were found here more frequently and in higher numbers.Depth was positively correlated with the diversity of free-living fauna, whereas the type ofsediment showed no significant relationship with variations in numbers of species. Beam-trawlingeffort was negatively correlated with the diversity of sessile fauna. Journal Article Senckenbergiana maritima 31 2 269 281 0080-889X epifauna, diversity, fishing effort, depth, North Sea 31 12 2001 2001-12-31 10.1007/BF03043036 http://www.springerlink.com/content/e4503t666222858p/ COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University 2019-06-12T16:46:16.9294724 2012-10-16T19:23:24.3518595 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Ruth Zühlke 1 John Alvsvåg 2 Ingeborg Boois 3 John Cotter 4 Siegfried Ehrich 5 Alex Ford 6 Hilmar Hinz 7 Astrid Jarre-Teichmann 8 Simon Jennings 9 Ingrid Kröncke 10 John Lancaster 11 Gerjan Piet 12 Philip Prince 13 Ruth Callaway 14
title Epibenthic diversity in the North Sea
spellingShingle Epibenthic diversity in the North Sea
Ruth Callaway
title_short Epibenthic diversity in the North Sea
title_full Epibenthic diversity in the North Sea
title_fullStr Epibenthic diversity in the North Sea
title_full_unstemmed Epibenthic diversity in the North Sea
title_sort Epibenthic diversity in the North Sea
author_id_str_mv 61d7fe28cbb286de1c9c43f45014c490
author_id_fullname_str_mv 61d7fe28cbb286de1c9c43f45014c490_***_Ruth Callaway
author Ruth Callaway
author2 Ruth Zühlke
John Alvsvåg
Ingeborg Boois
John Cotter
Siegfried Ehrich
Alex Ford
Hilmar Hinz
Astrid Jarre-Teichmann
Simon Jennings
Ingrid Kröncke
John Lancaster
Gerjan Piet
Philip Prince
Ruth Callaway
format Journal article
container_title Senckenbergiana maritima
container_volume 31
container_issue 2
container_start_page 269
publishDate 2001
institution Swansea University
issn 0080-889X
doi_str_mv 10.1007/BF03043036
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
url http://www.springerlink.com/content/e4503t666222858p/
document_store_str 0
active_str 0
description In 1999 the epibenthic fauna of the North Sea was investigated using the 3rd quarter 'InternationalBottom Trawl Survey' of five European countries. Altogether 241 stations were sampled covering 143 ICES rectangles.The objectives of the project were (i) to analyse epibenthic diversity patterns in the North Sea,(ii) to identify the spatial distribution of faunal communities and (iii) to relate environmentalfactors as well as fishing effort to species diversity.Epibenthic fauna was clearly divided between the southern North Sea and the centralnorthernNorth Sea, roughly along the 50 m depth Iine. The separation was based on an overallhigher number of species in the central and northern North Sea anda change in the speciescomposition from north to south.Sessile fauna including erect, branching species like bryozoans and hydrozoans were particularlydiverse along a corridor in the central-northern North Sea between 56 ~ and 58~ coincidingwith the area between the 50 m and 100 m depth line. Cluster analysis, based on the structure ofthe community, confirmed the north-south gradient found for species diversity. Separation ofclusters was driven to a great extent by species occurring predominantly or exclusively north ofthe 50 m contour line. Few species were exclusive to the south, but a number of scavengingspecies were found here more frequently and in higher numbers.Depth was positively correlated with the diversity of free-living fauna, whereas the type ofsediment showed no significant relationship with variations in numbers of species. Beam-trawlingeffort was negatively correlated with the diversity of sessile fauna.
published_date 2001-12-31T06:24:21Z
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