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Diversity and community structure of epibenthic invertebrates and fish in the North Sea

R Callaway, Ruth Callaway, John Lancaster

ICES Journal of Marine Science, Volume: 59, Issue: 6, Pages: 1199 - 1214

Swansea University Authors: Ruth Callaway, John Lancaster

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DOI (Published version): 10.1006/jmsc.2002.1288

Abstract

The structure of North Sea benthic invertebrate and fish communities is an importantindicator of anthropogenic and environmental impacts. Although North Sea fishstocks are monitored regularly, benthic fauna are not. Here, we report the results of asurvey carried out in 2000, in which five nations sa...

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Published in: ICES Journal of Marine Science
ISSN: 1054-3139
Published: 2002
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URI: https://cronfa.swan.ac.uk/Record/cronfa13086
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spelling 2019-06-12T16:40:17.6783496 v2 13086 2012-10-16 Diversity and community structure of epibenthic invertebrates and fish in the North Sea 61d7fe28cbb286de1c9c43f45014c490 Ruth Callaway Ruth Callaway true false a5e30d02db882b60b818741c0e2a7ec5 John Lancaster John Lancaster true false 2012-10-16 FGSEN The structure of North Sea benthic invertebrate and fish communities is an importantindicator of anthropogenic and environmental impacts. Although North Sea fishstocks are monitored regularly, benthic fauna are not. Here, we report the results of asurvey carried out in 2000, in which five nations sampled the epibenthic and fish faunaat 270 stations throughout the North Sea. The aim of the survey was to investigate thediversity and community structure of epibenthic and fish communities and to identifyrelationships with environmental factors, including the frequency of commercial otterand beam trawling disturbance. Epibenthic species diversity was lower in the southernNorth Sea than in central and northern areas. Fish, conversely, were more diverse inthe south. The 50 m, 100 m and 200 m depth contours broadly defined the boundariesof benthic and fish communities. The abundance of epibenthos of the southern NorthSea was dominated by free-living species, whilst north of the 50 m contour sessilespecies prevailed. A hybrid area, with sessile species typical of the north and free-livingspecies characteristic of the south, was found off the Norfolk and Flamborough coaststretching towards the Dogger Bank.Large-scale hydrodynamic phenomena were most likely to be responsible for themain divisions between communities, especially the boundary between mixed andstratified water masses. However, bottom temperature, sediment parameters and beamtrawling were closely correlated with species richness and diversity, as well ascommunity patterns, and may modify regional species composition.Our study shows that effective large-scale sampling of benthic communities can beconducted during existing fisheries surveys. Since annual fisheries surveys are conductedthroughout the northeast Atlantic shelf seas, concurrent benthic surveys wouldallow benthic sampling on unprecedented spatial and temporal scales. The sampleswould help to monitor the environmental impacts of trawling disturbance, climatechange, pollution and other natural and anthropogenic factors. Journal Article ICES Journal of Marine Science 59 6 1199 1214 1054-3139 epibenthos, fish, diversity, community structure, fishing effects, North Sea 1 11 2002 2002-11-01 10.1006/jmsc.2002.1288 http://icesjms.oxfordjournals.org/content/59/6/1199.full.pdf COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2019-06-12T16:40:17.6783496 2012-10-16T19:08:40.6587473 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences R Callaway 1 Ruth Callaway 2 John Lancaster 3
title Diversity and community structure of epibenthic invertebrates and fish in the North Sea
spellingShingle Diversity and community structure of epibenthic invertebrates and fish in the North Sea
Ruth Callaway
John Lancaster
title_short Diversity and community structure of epibenthic invertebrates and fish in the North Sea
title_full Diversity and community structure of epibenthic invertebrates and fish in the North Sea
title_fullStr Diversity and community structure of epibenthic invertebrates and fish in the North Sea
title_full_unstemmed Diversity and community structure of epibenthic invertebrates and fish in the North Sea
title_sort Diversity and community structure of epibenthic invertebrates and fish in the North Sea
author_id_str_mv 61d7fe28cbb286de1c9c43f45014c490
a5e30d02db882b60b818741c0e2a7ec5
author_id_fullname_str_mv 61d7fe28cbb286de1c9c43f45014c490_***_Ruth Callaway
a5e30d02db882b60b818741c0e2a7ec5_***_John Lancaster
author Ruth Callaway
John Lancaster
author2 R Callaway
Ruth Callaway
John Lancaster
format Journal article
container_title ICES Journal of Marine Science
container_volume 59
container_issue 6
container_start_page 1199
publishDate 2002
institution Swansea University
issn 1054-3139
doi_str_mv 10.1006/jmsc.2002.1288
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://icesjms.oxfordjournals.org/content/59/6/1199.full.pdf
document_store_str 0
active_str 0
description The structure of North Sea benthic invertebrate and fish communities is an importantindicator of anthropogenic and environmental impacts. Although North Sea fishstocks are monitored regularly, benthic fauna are not. Here, we report the results of asurvey carried out in 2000, in which five nations sampled the epibenthic and fish faunaat 270 stations throughout the North Sea. The aim of the survey was to investigate thediversity and community structure of epibenthic and fish communities and to identifyrelationships with environmental factors, including the frequency of commercial otterand beam trawling disturbance. Epibenthic species diversity was lower in the southernNorth Sea than in central and northern areas. Fish, conversely, were more diverse inthe south. The 50 m, 100 m and 200 m depth contours broadly defined the boundariesof benthic and fish communities. The abundance of epibenthos of the southern NorthSea was dominated by free-living species, whilst north of the 50 m contour sessilespecies prevailed. A hybrid area, with sessile species typical of the north and free-livingspecies characteristic of the south, was found off the Norfolk and Flamborough coaststretching towards the Dogger Bank.Large-scale hydrodynamic phenomena were most likely to be responsible for themain divisions between communities, especially the boundary between mixed andstratified water masses. However, bottom temperature, sediment parameters and beamtrawling were closely correlated with species richness and diversity, as well ascommunity patterns, and may modify regional species composition.Our study shows that effective large-scale sampling of benthic communities can beconducted during existing fisheries surveys. Since annual fisheries surveys are conductedthroughout the northeast Atlantic shelf seas, concurrent benthic surveys wouldallow benthic sampling on unprecedented spatial and temporal scales. The sampleswould help to monitor the environmental impacts of trawling disturbance, climatechange, pollution and other natural and anthropogenic factors.
published_date 2002-11-01T03:14:59Z
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score 11.037581

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