Does the Port 2000 harbour construction have an effect on the Seine estuary suprabenthic community?
Identifieur interne : 000837 ( France/Analysis ); précédent : 000836; suivant : 000838Does the Port 2000 harbour construction have an effect on the Seine estuary suprabenthic community?
Auteurs : Jean-Claude Dauvin [France] ; Sandrine Alizier [France] ; Carole Valle [France] ; Thierry Ruellet [France]Source :
- Estuarine, coastal and shelf science : (Print) [ 0272-7714 ] ; 2010.
Descripteurs français
- Pascal (Inist)
English descriptors
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Abstract
Using a Before/During/After protocol, the effects of Port 2000 (the Le Havre harbour extension) on the suprabenthic communities in the Northern Channel of the Seine estuary (English Channel) were examined from March 2001 to March 2009. Since the beginning of Port 2000 construction in 2002, there have been several changes in the hydrological and sedimentary characteristics in the North Channel, including changes in current velocity, bottoms salinity and sand accumulation, as well as in the benthic communities themselves, moving from mud to medium and coarse sand communities. For the suprabenthos, changes were moderate, corresponding to an increase in species richness in the upper-part of the North Channel and a decrease in species density in the dominant mysids species (i.e., mainly Mesopodospsis slabberi) over time. Due to hydrological changes since the beginning of the Port 2000 project (several years of low freshwater input) it has been difficult to attribute the biological changes to Port 2000 construction only. In the future, the results obtained for the suprabenthos will have to be compared to those obtained for the macrobenthos. Similarly, since the suprabenthos is known to play an important role in the estuarine trophic chain, it will also be essential to estimate the fish distribution in the North Channel and to examine their stomach contents to evaluate the probable changes since the Port 2000 project began.
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Pascal:10-0065563Le document en format XML
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sortKey="Ruellet, Thierry" sort="Ruellet, Thierry" uniqKey="Ruellet T" first="Thierry" last="Ruellet">Thierry Ruellet</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Université de Lille Nord de France</s1><s2>59000 Lille</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">Lille</settlement></placeName></affiliation><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Université de Lille1, Station Marine de Wimereux, UMR LOG, BP 80</s1><s2>62930 Wimereux</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 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></analytic><series><title level="j" type="main">Estuarine, coastal and shelf science : (Print)</title><title level="j" type="abbreviated">Estuar. coast. shelf sci. : (Print)</title><idno type="ISSN">0272-7714</idno><imprint><date when="2010">2010</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Estuarine, coastal and shelf science : (Print)</title><title level="j" type="abbreviated">Estuar. coast. shelf sci. : (Print)</title><idno type="ISSN">0272-7714</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Anthropogenic factor</term><term>Benthic zone</term><term>Brackish water environment</term><term>Community</term><term>Construction</term><term>Dynamics</term><term>Environment impact</term><term>Harbor zone</term><term>Mysidacea</term><term>Salinity</term><term>Seine Estuary</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Zone portuaire</term><term>Construction</term><term>Zone benthique</term><term>Communauté</term><term>Dynamique</term><term>Salinité</term><term>Facteur anthropique</term><term>Impact environnement</term><term>Milieu saumâtre</term><term>Mysidacea</term><term>Estuaire Seine</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Using a Before/During/After protocol, the effects of Port 2000 (the Le Havre harbour extension) on the suprabenthic communities in the Northern Channel of the Seine estuary (English Channel) were examined from March 2001 to March 2009. Since the beginning of Port 2000 construction in 2002, there have been several changes in the hydrological and sedimentary characteristics in the North Channel, including changes in current velocity, bottoms salinity and sand accumulation, as well as in the benthic communities themselves, moving from mud to medium and coarse sand communities. For the suprabenthos, changes were moderate, corresponding to an increase in species richness in the upper-part of the North Channel and a decrease in species density in the dominant mysids species (i.e., mainly Mesopodospsis slabberi) over time. Due to hydrological changes since the beginning of the Port 2000 project (several years of low freshwater input) it has been difficult to attribute the biological changes to Port 2000 construction only. In the future, the results obtained for the suprabenthos will have to be compared to those obtained for the macrobenthos. Similarly, since the suprabenthos is known to play an important role in the estuarine trophic chain, it will also be essential to estimate the fish distribution in the North Channel and to examine their stomach contents to evaluate the probable changes since the Port 2000 project began.</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>Lille</li><li>Outreau</li><li>Wimereux</li></settlement></list><tree><country name="France"><region name="Hauts-de-France"><name sortKey="Dauvin, Jean Claude" sort="Dauvin, Jean Claude" uniqKey="Dauvin J" first="Jean-Claude" last="Dauvin">Jean-Claude Dauvin</name></region><name sortKey="Alizier, Sandrine" sort="Alizier, Sandrine" uniqKey="Alizier S" first="Sandrine" last="Alizier">Sandrine Alizier</name><name sortKey="Alizier, Sandrine" sort="Alizier, Sandrine" uniqKey="Alizier S" first="Sandrine" last="Alizier">Sandrine Alizier</name><name sortKey="Dauvin, Jean Claude" sort="Dauvin, Jean Claude" uniqKey="Dauvin J" first="Jean-Claude" last="Dauvin">Jean-Claude Dauvin</name><name sortKey="Ruellet, Thierry" sort="Ruellet, Thierry" uniqKey="Ruellet T" first="Thierry" last="Ruellet">Thierry Ruellet</name><name sortKey="Ruellet, Thierry" sort="Ruellet, Thierry" uniqKey="Ruellet T" first="Thierry" last="Ruellet">Thierry Ruellet</name><name sortKey="Valle, Carole" sort="Valle, Carole" uniqKey="Valle C" first="Carole" last="Valle">Carole Valle</name><name sortKey="Valle, Carole" sort="Valle, Carole" uniqKey="Valle C" first="Carole" last="Valle">Carole Valle</name><name sortKey="Valle, Carole" sort="Valle, Carole" uniqKey="Valle C" first="Carole" last="Valle">Carole Valle</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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