LeHavreV1, Main, Exploration, bibRecord, 000176

Intersex in the clam Scrobicularia plana (Da Costa): Widespread occurrence in English Channel estuaries and surrounding areas.

Identifieur interne : 000176 ( Main/Exploration ); précédent : 000175; suivant : 000177

Intersex in the clam Scrobicularia plana (Da Costa): Widespread occurrence in English Channel estuaries and surrounding areas.

Auteurs : N D Pope [Royaume-Uni] ; K. Childs [Royaume-Uni] ; C. Dang [France] ; M S Davey [Royaume-Uni] ; S C M. O'Hara [Royaume-Uni] ; K. Langston [Royaume-Uni] ; C. Minier [France] ; P L Pascoe [Royaume-Uni] ; E. Shortridge [Royaume-Uni] ; W J Langston [Royaume-Uni]

Source :

Marine pollution bulletin [ 1879-3363 ] ; 2015.

RBID : pubmed:25837773

Descripteurs français

Wicri :
- geographic : France.

English descriptors

KwdEn :
- Animals, Bivalvia (physiology), Disorders of Sex Development, Environmental Monitoring, Estuaries, Female, France, Great Britain, Male, Sex Ratio, Water Pollutants, Chemical (analysis), Water Pollutants, Chemical (metabolism), Water Pollutants, Chemical (toxicity).
MESH :
- chemical , analysis : Water Pollutants, Chemical.
- chemical , metabolism : Water Pollutants, Chemical.
- chemical , toxicity : Water Pollutants, Chemical.
- geographic : France, Great Britain.
- physiology : Bivalvia.
- Animals, Disorders of Sex Development, Environmental Monitoring, Estuaries, Female, Male, Sex Ratio.

Abstract

Estuarine clams Scrobicularia plana were sampled from 108 intertidal locations around the English Channel and adjacent areas. Although S. plana is believed to be a strict gonochorist, 58% of the populations sampled included intersexed individuals (described as male clams exhibiting ovotestis). Over the entire region, on average, 8.6% of male clams exhibited intersex, although proportions of affected males ranged from 0% to 53% depending on location. The severity of intersex was assessed using a simple classification scale, with the majority of individuals showing low levels of impact. Sex ratios were significantly skewed at some sites. There were no significant relationships between incidence or severity of intersex; or with size or parasitism of individual clams. Intersex in S. plana is a useful tool to assess endocrine disruptive effects in estuaries, although mechanisms of impact and causative agents remain uncertain.

DOI: 10.1016/j.marpolbul.2015.02.039
PubMed: 25837773

Affiliations:

Le document en format XML

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<author><name sortKey="Pascoe, P L" sort="Pascoe, P L" uniqKey="Pascoe P" first="P L" last="Pascoe">P L Pascoe</name>
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<author><name sortKey="Shortridge, E" sort="Shortridge, E" uniqKey="Shortridge E" first="E" last="Shortridge">E. Shortridge</name>
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<country xml:lang="fr">Royaume-Uni</country>
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<author><name sortKey="Dang, C" sort="Dang, C" uniqKey="Dang C" first="C" last="Dang">C. Dang</name>
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<author><name sortKey="Davey, M S" sort="Davey, M S" uniqKey="Davey M" first="M S" last="Davey">M S Davey</name>
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<author><name sortKey="Pascoe, P L" sort="Pascoe, P L" uniqKey="Pascoe P" first="P L" last="Pascoe">P L Pascoe</name>
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<country xml:lang="fr">Royaume-Uni</country>
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<country xml:lang="fr">Royaume-Uni</country>
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<author><name sortKey="Langston, W J" sort="Langston, W J" uniqKey="Langston W" first="W J" last="Langston">W J Langston</name>
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<term>Bivalvia (physiology)</term>
<term>Disorders of Sex Development</term>
<term>Environmental Monitoring</term>
<term>Estuaries</term>
<term>Female</term>
<term>France</term>
<term>Great Britain</term>
<term>Male</term>
<term>Sex Ratio</term>
<term>Water Pollutants, Chemical (analysis)</term>
<term>Water Pollutants, Chemical (metabolism)</term>
<term>Water Pollutants, Chemical (toxicity)</term>
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</keywords>
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<term>Great Britain</term>
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<term>Disorders of Sex Development</term>
<term>Environmental Monitoring</term>
<term>Estuaries</term>
<term>Female</term>
<term>Male</term>
<term>Sex Ratio</term>
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<front><div type="abstract" xml:lang="en">Estuarine clams Scrobicularia plana were sampled from 108 intertidal locations around the English Channel and adjacent areas. Although S. plana is believed to be a strict gonochorist, 58% of the populations sampled included intersexed individuals (described as male clams exhibiting ovotestis). Over the entire region, on average, 8.6% of male clams exhibited intersex, although proportions of affected males ranged from 0% to 53% depending on location. The severity of intersex was assessed using a simple classification scale, with the majority of individuals showing low levels of impact. Sex ratios were significantly skewed at some sites. There were no significant relationships between incidence or severity of intersex; or with size or parasitism of individual clams. Intersex in S. plana is a useful tool to assess endocrine disruptive effects in estuaries, although mechanisms of impact and causative agents remain uncertain.</div>
</front>
</TEI>
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<li>Royaume-Uni</li>
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<name sortKey="Childs, K" sort="Childs, K" uniqKey="Childs K" first="K" last="Childs">K. Childs</name>
<name sortKey="Davey, M S" sort="Davey, M S" uniqKey="Davey M" first="M S" last="Davey">M S Davey</name>
<name sortKey="Langston, K" sort="Langston, K" uniqKey="Langston K" first="K" last="Langston">K. Langston</name>
<name sortKey="Langston, W J" sort="Langston, W J" uniqKey="Langston W" first="W J" last="Langston">W J Langston</name>
<name sortKey="O Hara, S C M" sort="O Hara, S C M" uniqKey="O Hara S" first="S C M" last="O'Hara">S C M. O'Hara</name>
<name sortKey="Pascoe, P L" sort="Pascoe, P L" uniqKey="Pascoe P" first="P L" last="Pascoe">P L Pascoe</name>
<name sortKey="Shortridge, E" sort="Shortridge, E" uniqKey="Shortridge E" first="E" last="Shortridge">E. Shortridge</name>
</country>
<country name="France"><region name="Région Normandie"><name sortKey="Dang, C" sort="Dang, C" uniqKey="Dang C" first="C" last="Dang">C. Dang</name>
</region>
<name sortKey="Minier, C" sort="Minier, C" uniqKey="Minier C" first="C" last="Minier">C. Minier</name>
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Intersex in the clam Scrobicularia plana (Da Costa): Widespread occurrence in English Channel estuaries and surrounding areas.

Intersex in the clam Scrobicularia plana (Da Costa): Widespread occurrence in English Channel estuaries and surrounding areas.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

	Serveur d'exploration sur la visibilité du Havre
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