LeHavreV1, Main, Exploration, bibRecord, 001295

Modelling the efficacy of proposed mitigation areas for shorebirds: a case study on the Seine estuary, France

Identifieur interne : 001295 ( Main/Exploration ); précédent : 001294; suivant : 001296

Modelling the efficacy of proposed mitigation areas for shorebirds: a case study on the Seine estuary, France

Auteurs : Sarah E. A. Le V. Dit Durell [Royaume-Uni] ; Richard A. Stillman [Royaume-Uni] ; Patrick Triplet [France] ; Christophe Aulert [France] ; Damien Ono Dit Biot [France] ; Agnès Bouchet [France] ; Sylvain Duhamel [France] ; Sebastien Mayot [France] ; John D. Goss-Custard [Royaume-Uni]

Source :

Biological conservation [ 0006-3207 ] ; 2005.

RBID : Pascal:05-0160850

Descripteurs français

Pascal (Inist)
- Prévention pollution, Aves, Etude cas, France, Modèle, Habitat, Perte, Protection environnement, Estuaire Seine.
Wicri :
- geographic : France.
- topic : Habitat.

English descriptors

KwdEn :
- Aves, Case study, Environmental protection, France, Habitat, Loss, Models, Pollution prevention.

Abstract

A behaviour-based model was used to explore the effect of an extension of the port at Le Havre (Port 2000), and the effect of proposed mitigation measures, on the mortality and body condition of the three main shorebird species that overwinter in the estuary of the river Seine, France. In the model, a 20% reduction in the area of mudflats on the north side of the estuary had little effect on curlew Numenius arquata mortality and body condition but significantly increased mortality and decreased body condition in dunlin Calidris alpina and oystercatchers Haematopus ostralegus. Disturbance of feeding birds both day and night had a significant effect on the mortality and body condition of all three shorebird species, as did disturbance of roosting birds. Disturbance of feeding birds in the daytime only had a significant effect on dunlin mortality and body condition, but not that of curlew and oystercatchers. In the model, the creation of a buffer zone to reduce disturbance of feeding birds restored shorebird mortality and body condition to pre-disturbance levels. A new mudflat area was also effective in mitigating the effect of habitat loss on all three shorebirds and in mitigating the effect of roost disturbance on dunlin and curlew. However, a new mudflat area was not effective in mitigating the effect of roost disturbance on oystercatcher mortality and body condition. The effectiveness of the mitigating mudflat depended as much on its size as its quality. We believe that this is the first time that anyone has been able to forecast the efficacy of proposed mitigation measures.

Affiliations:

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Le document en format XML

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<author><name sortKey="Goss Custard, John D" sort="Goss Custard, John D" uniqKey="Goss Custard J" first="John D." last="Goss-Custard">John D. Goss-Custard</name>
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<author><name sortKey="Biot, Damien Ono Dit" sort="Biot, Damien Ono Dit" uniqKey="Biot D" first="Damien Ono Dit" last="Biot">Damien Ono Dit Biot</name>
<affiliation wicri:level="3"><inist:fA14 i1="03"><s1>Maison de l'Estuaire, Observatoire de l'Avifaune, 20 rue Jean Courret</s1>
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<series><title level="j" type="main">Biological conservation</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aves</term>
<term>Case study</term>
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<term>Loss</term>
<term>Models</term>
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<term>Aves</term>
<term>Etude cas</term>
<term>France</term>
<term>Modèle</term>
<term>Habitat</term>
<term>Perte</term>
<term>Protection environnement</term>
<term>Estuaire Seine</term>
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<front><div type="abstract" xml:lang="en">A behaviour-based model was used to explore the effect of an extension of the port at Le Havre (Port 2000), and the effect of proposed mitigation measures, on the mortality and body condition of the three main shorebird species that overwinter in the estuary of the river Seine, France. In the model, a 20% reduction in the area of mudflats on the north side of the estuary had little effect on curlew Numenius arquata mortality and body condition but significantly increased mortality and decreased body condition in dunlin Calidris alpina and oystercatchers Haematopus ostralegus. Disturbance of feeding birds both day and night had a significant effect on the mortality and body condition of all three shorebird species, as did disturbance of roosting birds. Disturbance of feeding birds in the daytime only had a significant effect on dunlin mortality and body condition, but not that of curlew and oystercatchers. In the model, the creation of a buffer zone to reduce disturbance of feeding birds restored shorebird mortality and body condition to pre-disturbance levels. A new mudflat area was also effective in mitigating the effect of habitat loss on all three shorebirds and in mitigating the effect of roost disturbance on dunlin and curlew. However, a new mudflat area was not effective in mitigating the effect of roost disturbance on oystercatcher mortality and body condition. The effectiveness of the mitigating mudflat depended as much on its size as its quality. We believe that this is the first time that anyone has been able to forecast the efficacy of proposed mitigation measures.</div>
</front>
</TEI>
<affiliations><list><country><li>France</li>
<li>Royaume-Uni</li>
</country>
<region><li>Basse-Normandie</li>
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</region>
<settlement><li>Abbeville</li>
<li>Caen</li>
<li>Le Havre</li>
</settlement>
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<tree><country name="Royaume-Uni"><noRegion><name sortKey="Le V Dit Durell, Sarah E A" sort="Le V Dit Durell, Sarah E A" uniqKey="Le V Dit Durell S" first="Sarah E. A." last="Le V. Dit Durell">Sarah E. A. Le V. Dit Durell</name>
</noRegion>
<name sortKey="Goss Custard, John D" sort="Goss Custard, John D" uniqKey="Goss Custard J" first="John D." last="Goss-Custard">John D. Goss-Custard</name>
<name sortKey="Stillman, Richard A" sort="Stillman, Richard A" uniqKey="Stillman R" first="Richard A." last="Stillman">Richard A. Stillman</name>
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<country name="France"><region name="Hauts-de-France"><name sortKey="Triplet, Patrick" sort="Triplet, Patrick" uniqKey="Triplet P" first="Patrick" last="Triplet">Patrick Triplet</name>
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<name sortKey="Aulert, Christophe" sort="Aulert, Christophe" uniqKey="Aulert C" first="Christophe" last="Aulert">Christophe Aulert</name>
<name sortKey="Biot, Damien Ono Dit" sort="Biot, Damien Ono Dit" uniqKey="Biot D" first="Damien Ono Dit" last="Biot">Damien Ono Dit Biot</name>
<name sortKey="Bouchet, Agnes" sort="Bouchet, Agnes" uniqKey="Bouchet A" first="Agnès" last="Bouchet">Agnès Bouchet</name>
<name sortKey="Duhamel, Sylvain" sort="Duhamel, Sylvain" uniqKey="Duhamel S" first="Sylvain" last="Duhamel">Sylvain Duhamel</name>
<name sortKey="Mayot, Sebastien" sort="Mayot, Sebastien" uniqKey="Mayot S" first="Sebastien" last="Mayot">Sebastien Mayot</name>
</country>
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</affiliations>
</record>

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Modelling the efficacy of proposed mitigation areas for shorebirds: a case study on the Seine estuary, France

Modelling the efficacy of proposed mitigation areas for shorebirds: a case study on the Seine estuary, France

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Pour mettre un lien sur cette page dans le réseau Wicri