{"id":{"repo_id":"soton","oai_identifier":"oai:eprints.soton.ac.uk:168947"},"canonical_url":"https://search.dev.ndltd.org/etd/soton/oai:eprints.soton.ac.uk:168947","repository":{"repo_id":"soton","name":"University of Southampton","base_url":"https://eprints.soton.ac.uk/cgi/oai2"},"display":{"title":"Marine Communities of North Sea Offshore Platforms, and the Use of Stable Isotopes to Explore Artificial Reef Food Webs","abstract":"Stable isotope methods offer a powerful means of investigating trophic<br/>interactions, allowing assessment of the relative importance of multiple nutrient<br/>sources to biological assemblages, as well as estimation of the trophic positions of<br/>consumers. Differences in the isotope ratios of consumers between habitats can<br/>thus indicate differences in the structures of food webs, or the contributions of<br/>different food sources to those food webs.<br/>Isotope methods were used to compare the food web of an artificial reef located<br/>off the south coast of England with that of a nearby natural reef system, revealing a<br/>similarly complex food web, with similar trophic structure, and similar inputs from<br/>the available food sources. Isotope methods should be incorporated into more<br/>artificial reef studies, where they have been seldom applied.<br/>Offshore oil and gas platforms in the North Sea are artificial reefs, hosting<br/>substantial assemblages of sessile invertebrates and other associated fauna, and<br/>attracting large numbers of fish and motile invertebrates. Structural survey footage<br/>provided by the oil and gas industry allowed the investigation of the marine life<br/>associated with several of these structures, of varied ages and in various locations<br/>in the North Sea.<br/>At least thirty?six taxa of motile invertebrates and fish were observed in association<br/>with the structures, most of which were present on all platforms surveyed. While<br/>most reef?associated fish were observed around the base of the larger platforms,<br/>many thousands of fish were also observed in the water column around these<br/>structures at other depths. A small number of sessile taxa dominated the fouling<br/>assemblages, in places achieving total coverage of the available surfaces. Fouling<br/>composition changed with depth, but this pattern was not identical on all<br/>platforms. Platform age and location both affected the fouling assemblages<br/>present, but these two factors did not fully explain all the variation.","abstract_html":"Stable isotope methods offer a powerful means of investigating trophic&lt;br/&gt;interactions, allowing assessment of the relative importance of multiple nutrient&lt;br/&gt;sources to biological assemblages, as well as estimation of the trophic positions of&lt;br/&gt;consumers. Differences in the isotope ratios of consumers between habitats can&lt;br/&gt;thus indicate differences in the structures of food webs, or the contributions of&lt;br/&gt;different food sources to those food webs.&lt;br/&gt;Isotope methods were used to compare the food web of an artificial reef located&lt;br/&gt;off the south coast of England with that of a nearby natural reef system, revealing a&lt;br/&gt;similarly complex food web, with similar trophic structure, and similar inputs from&lt;br/&gt;the available food sources. Isotope methods should be incorporated into more&lt;br/&gt;artificial reef studies, where they have been seldom applied.&lt;br/&gt;Offshore oil and gas platforms in the North Sea are artificial reefs, hosting&lt;br/&gt;substantial assemblages of sessile invertebrates and other associated fauna, and&lt;br/&gt;attracting large numbers of fish and motile invertebrates. Structural survey footage&lt;br/&gt;provided by the oil and gas industry allowed the investigation of the marine life&lt;br/&gt;associated with several of these structures, of varied ages and in various locations&lt;br/&gt;in the North Sea.&lt;br/&gt;At least thirty?six taxa of motile invertebrates and fish were observed in association&lt;br/&gt;with the structures, most of which were present on all platforms surveyed. While&lt;br/&gt;most reef?associated fish were observed around the base of the larger platforms,&lt;br/&gt;many thousands of fish were also observed in the water column around these&lt;br/&gt;structures at other depths. A small number of sessile taxa dominated the fouling&lt;br/&gt;assemblages, in places achieving total coverage of the available surfaces. Fouling&lt;br/&gt;composition changed with depth, but this pattern was not identical on all&lt;br/&gt;platforms. Platform age and location both affected the fouling assemblages&lt;br/&gt;present, but these two factors did not fully explain all the variation.","abstract_has_math":false,"creators":["Guerin, Andrew James"],"institution":"University of Southampton","degree_name":"Ph.D.","degree_level":"doctoral","degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2009,"date_issued":"2009-09","date_published":"2009-09","updated_at":"2026-07-24T04:36:17Z","subjects":[],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":null,"outbound_label":null,"outbound_source":null},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Guerin, Andrew James"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2009-09"]},{"key":"dc:date.issued","label":"Date","values":["2009-09"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Ocean and Earth Science (pre 2011 reorg)","School of Ocean and Earth Science"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Southampton"]},{"key":"dc:relation.isreferencedby","label":"Dc Relation Isreferencedby","values":["https://eprints.soton.ac.uk/168947/"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["doctoral"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["Ph.D."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://eprints.soton.ac.uk/168947/1/Guerin_PhD_2010.pdf"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Stable isotope methods offer a powerful means of investigating trophic<br/>interactions, allowing assessment of the relative importance of multiple nutrient<br/>sources to biological assemblages, as well as estimation of the trophic positions of<br/>consumers. Differences in the isotope ratios of consumers between habitats can<br/>thus indicate differences in the structures of food webs, or the contributions of<br/>different food sources to those food webs.<br/>Isotope methods were used to compare the food web of an artificial reef located<br/>off the south coast of England with that of a nearby natural reef system, revealing a<br/>similarly complex food web, with similar trophic structure, and similar inputs from<br/>the available food sources. Isotope methods should be incorporated into more<br/>artificial reef studies, where they have been seldom applied.<br/>Offshore oil and gas platforms in the North Sea are artificial reefs, hosting<br/>substantial assemblages of sessile invertebrates and other associated fauna, and<br/>attracting large numbers of fish and motile invertebrates. Structural survey footage<br/>provided by the oil and gas industry allowed the investigation of the marine life<br/>associated with several of these structures, of varied ages and in various locations<br/>in the North Sea.<br/>At least thirty?six taxa of motile invertebrates and fish were observed in association<br/>with the structures, most of which were present on all platforms surveyed. While<br/>most reef?associated fish were observed around the base of the larger platforms,<br/>many thousands of fish were also observed in the water column around these<br/>structures at other depths. A small number of sessile taxa dominated the fouling<br/>assemblages, in places achieving total coverage of the available surfaces. Fouling<br/>composition changed with depth, but this pattern was not identical on all<br/>platforms. Platform age and location both affected the fouling assemblages<br/>present, but these two factors did not fully explain all the variation."]},{"key":"dc:format","label":"Dc Format","values":["text"]},{"key":"dc:title","label":"Title","values":["Marine Communities of North Sea Offshore Platforms, and the Use of Stable Isotopes to Explore Artificial Reef Food Webs"]}]}],"canonical_facts":{"dc:creator":["Guerin, Andrew James"],"dc:date":["2009-09"],"dc:date.issued":["2009-09"],"dc:description.abstract":["Stable isotope methods offer a powerful means of investigating trophic<br/>interactions, allowing assessment of the relative importance of multiple nutrient<br/>sources to biological assemblages, as well as estimation of the trophic positions of<br/>consumers. Differences in the isotope ratios of consumers between habitats can<br/>thus indicate differences in the structures of food webs, or the contributions of<br/>different food sources to those food webs.<br/>Isotope methods were used to compare the food web of an artificial reef located<br/>off the south coast of England with that of a nearby natural reef system, revealing a<br/>similarly complex food web, with similar trophic structure, and similar inputs from<br/>the available food sources. Isotope methods should be incorporated into more<br/>artificial reef studies, where they have been seldom applied.<br/>Offshore oil and gas platforms in the North Sea are artificial reefs, hosting<br/>substantial assemblages of sessile invertebrates and other associated fauna, and<br/>attracting large numbers of fish and motile invertebrates. Structural survey footage<br/>provided by the oil and gas industry allowed the investigation of the marine life<br/>associated with several of these structures, of varied ages and in various locations<br/>in the North Sea.<br/>At least thirty?six taxa of motile invertebrates and fish were observed in association<br/>with the structures, most of which were present on all platforms surveyed. While<br/>most reef?associated fish were observed around the base of the larger platforms,<br/>many thousands of fish were also observed in the water column around these<br/>structures at other depths. A small number of sessile taxa dominated the fouling<br/>assemblages, in places achieving total coverage of the available surfaces. Fouling<br/>composition changed with depth, but this pattern was not identical on all<br/>platforms. Platform age and location both affected the fouling assemblages<br/>present, but these two factors did not fully explain all the variation."],"dc:format":["text"],"dc:identifier.uri":["https://eprints.soton.ac.uk/168947/1/Guerin_PhD_2010.pdf"],"dc:publisher.department":["Ocean and Earth Science (pre 2011 reorg)","School of Ocean and Earth Science"],"dc:publisher.institution":["University of Southampton"],"dc:relation.isreferencedby":["https://eprints.soton.ac.uk/168947/"],"dc:title":["Marine Communities of North Sea Offshore Platforms, and the Use of Stable Isotopes to Explore Artificial Reef Food Webs"],"dc:type":["Thesis"],"dc:type.qualificationlevel":["doctoral"],"dc:type.qualificationname":["Ph.D."]},"updated_at":"2026-07-24T04:36:17Z"}