Recent changes in estuarine benthic and suprabenthic communities resulting from the development of harbour infrastructure
Identifieur interne : 001178 ( Main/Exploration ); précédent : 001177; suivant : 001179Recent changes in estuarine benthic and suprabenthic communities resulting from the development of harbour infrastructure
Auteurs : J. C. Dauvin [France] ; N. Desroy [France] ; A. L. Janson [France] ; C. Vallet [France] ; S. Duhamel [France]Source :
- Marine pollution bulletin [ 0025-326X ] ; 2006.
Descripteurs français
- Pascal (Inist)
- Wicri :
- geographic : France.
- topic : Milieu marin.
English descriptors
- KwdEn :
- Adaptation, Physiological, Animals, Benthic organism, Benthic zone, Benthos, Brackish water environment, Community, Data Collection, Ecosystem, Environmental Monitoring (statistics & numerical data), Facility Design and Construction, France, Geologic Sediments (analysis), Harbor zone, Invertebrates (growth & development), Invertebrates (physiology), Marine environment, Population Dynamics, Seine Estuary, Water pollution.
- MESH :
- geographic : France.
- analysis : Geologic Sediments.
- growth & development : Invertebrates.
- physiology : Invertebrates.
- statistics & numerical data : Environmental Monitoring.
- Adaptation, Physiological, Animals, Data Collection, Ecosystem, Facility Design and Construction, Population Dynamics.
Abstract
Using a Before/During/After sampling protocol, the effects of the Le Havre harbour extension, which was started at the end of 2001, on the macrobenthic and suprabenthic communities in the eastern Bay of Seine (English Channel) were examined. As the construction phase has not yet been completed, the results presented here reflect only the data collected before and during the operations (September 2000 and 2002 for benthos sampling and March 2001, September 2001, October 2002 and March 2003 for suprabenthos sampling). Although bio-sedimentary changes did occur at the mouth of the Seine river, an analysis of benthic assemblages reveals that the dredging and construction operations do not seem to have influenced assemblage structure or the spatial distribution of organisms. Comparisons of the suprabenthic assemblages at each sampling date indicate that seasonal dynamics was mainly responsible for determining species distribution. We conclude that, 1 year into the harbour management plan, the observed changes in benthic and suprabenthic assemblage abundance do not exceed the range of spatial variability that exists naturally in the Seine estuary. Despite this compensatory actions designed to protect the aquatic habitats and to preserve a sustainable and healthy ecosystem have been added to the infrastructure development plan.
Affiliations:
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C." last="Dauvin">J. C. Dauvin</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Station Marine de Wimereux, Université des Sciences et Technologies de Lille, CNRS-UMR-8013 ELICO, BP 80</s1><s2>62930 Wimereux</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Hauts-de-France</region><region type="old region" nuts="2">Nord-Pas-de-Calais</region><settlement type="city">Wimereux</settlement></placeName></affiliation></author><author><name sortKey="Desroy, N" sort="Desroy, N" uniqKey="Desroy N" first="N." last="Desroy">N. Desroy</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Station Marine de Wimereux, Université des Sciences et Technologies de Lille, CNRS-UMR-8013 ELICO, BP 80</s1><s2>62930 Wimereux</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Hauts-de-France</region><region type="old region" nuts="2">Nord-Pas-de-Calais</region><settlement type="city">Wimereux</settlement></placeName></affiliation></author><author><name sortKey="Janson, A L" sort="Janson, A L" uniqKey="Janson A" first="A. L." last="Janson">A. L. Janson</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Station Marine de Wimereux, Université des Sciences et Technologies de Lille, CNRS-UMR-8013 ELICO, BP 80</s1><s2>62930 Wimereux</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Hauts-de-France</region><region type="old region" nuts="2">Nord-Pas-de-Calais</region><settlement type="city">Wimereux</settlement></placeName></affiliation></author><author><name sortKey="Vallet, C" sort="Vallet, C" uniqKey="Vallet C" first="C." last="Vallet">C. Vallet</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Station Marine de Wimereux, Université des Sciences et Technologies de Lille, CNRS-UMR-8013 ELICO, BP 80</s1><s2>62930 Wimereux</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Hauts-de-France</region><region type="old region" nuts="2">Nord-Pas-de-Calais</region><settlement type="city">Wimereux</settlement></placeName></affiliation></author><author><name sortKey="Duhamel, S" sort="Duhamel, S" uniqKey="Duhamel S" first="S." last="Duhamel">S. Duhamel</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Cellule de Suivi du Littoral Haut-Normand, 16, quai C. Delavigne</s1><s2>76 600 Le Havre</s2><s3>FRA</s3><sZ>5 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>76 600 Le Havre</wicri:noRegion><wicri:noRegion>quai C. Delavigne</wicri:noRegion><wicri:noRegion>76 600 Le Havre</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Marine pollution bulletin</title><title level="j" type="abbreviated">Mar. pollut. bull.</title><idno type="ISSN">0025-326X</idno><imprint><date when="2006">2006</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Marine pollution bulletin</title><title level="j" type="abbreviated">Mar. pollut. bull.</title><idno type="ISSN">0025-326X</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adaptation, Physiological</term><term>Animals</term><term>Benthic organism</term><term>Benthic zone</term><term>Benthos</term><term>Brackish water environment</term><term>Community</term><term>Data Collection</term><term>Ecosystem</term><term>Environmental Monitoring (statistics & numerical data)</term><term>Facility Design and Construction</term><term>France</term><term>Geologic Sediments (analysis)</term><term>Harbor zone</term><term>Invertebrates (growth & development)</term><term>Invertebrates (physiology)</term><term>Marine environment</term><term>Population Dynamics</term><term>Seine Estuary</term><term>Water pollution</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>France</term></keywords><keywords scheme="MESH" qualifier="analysis" xml:lang="en"><term>Geologic Sediments</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Invertebrates</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Invertebrates</term></keywords><keywords scheme="MESH" qualifier="statistics & numerical data" xml:lang="en"><term>Environmental Monitoring</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adaptation, Physiological</term><term>Animals</term><term>Data Collection</term><term>Ecosystem</term><term>Facility Design and Construction</term><term>Population Dynamics</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Organisme benthique</term><term>Communauté</term><term>Zone benthique</term><term>Zone portuaire</term><term>Benthos</term><term>Milieu marin</term><term>Pollution eau</term><term>Milieu saumâtre</term><term>Estuaire Seine</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>France</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Milieu marin</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Using a Before/During/After sampling protocol, the effects of the Le Havre harbour extension, which was started at the end of 2001, on the macrobenthic and suprabenthic communities in the eastern Bay of Seine (English Channel) were examined. As the construction phase has not yet been completed, the results presented here reflect only the data collected before and during the operations (September 2000 and 2002 for benthos sampling and March 2001, September 2001, October 2002 and March 2003 for suprabenthos sampling). Although bio-sedimentary changes did occur at the mouth of the Seine river, an analysis of benthic assemblages reveals that the dredging and construction operations do not seem to have influenced assemblage structure or the spatial distribution of organisms. Comparisons of the suprabenthic assemblages at each sampling date indicate that seasonal dynamics was mainly responsible for determining species distribution. We conclude that, 1 year into the harbour management plan, the observed changes in benthic and suprabenthic assemblage abundance do not exceed the range of spatial variability that exists naturally in the Seine estuary. Despite this compensatory actions designed to protect the aquatic habitats and to preserve a sustainable and healthy ecosystem have been added to the infrastructure development plan.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Hauts-de-France</li><li>Nord-Pas-de-Calais</li></region><settlement><li>Wimereux</li></settlement></list><tree><country name="France"><region name="Hauts-de-France"><name sortKey="Dauvin, J C" sort="Dauvin, J C" uniqKey="Dauvin J" first="J. C." last="Dauvin">J. C. Dauvin</name></region><name sortKey="Desroy, N" sort="Desroy, N" uniqKey="Desroy N" first="N." last="Desroy">N. Desroy</name><name sortKey="Duhamel, S" sort="Duhamel, S" uniqKey="Duhamel S" first="S." last="Duhamel">S. Duhamel</name><name sortKey="Janson, A L" sort="Janson, A L" uniqKey="Janson A" first="A. L." last="Janson">A. L. Janson</name><name sortKey="Vallet, C" sort="Vallet, C" uniqKey="Vallet C" first="C." last="Vallet">C. 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