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Author |
Alice Carravieri, Paco Bustamante, Pierre Labadie, Hélène Budzinski, Olivier Chastel, Yves Cherel |
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Title  |
Trace elements and persistent organic pollutants in chicks of 13 seabird species from Antarctica to the subtropics |
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Journal |
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Year |
2020 |
Publication |
Environment International |
Abbreviated Journal |
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Volume |
134 |
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Pages |
105225 |
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Keywords |
Albatrosses; Mercury; Penguins; Petrels; Selenium; Stable isotopes |
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Abstract |
Seabirds from remote regions are mainly exposed to environmental contaminants from non-point contamination of their food webs. Pre-fledging seabird chicks are fed by their parents with marine prey captured in the vicinity of breeding colonies. Contaminant concentrations in tissues of pre-fledging chicks can thus be mostly related to local dietary sources, and have the potential to unravel spatial patterns of environmental contamination in marine ecosystems. Here, mercury (Hg), 13 other trace elements, and 18 persistent organic pollutants (POPs) were quantified in blood of chicks across four breeding locations that encompass a large latitudinal range in the southern Indian Ocean (from Antarctica, through subantarctic areas, to the subtropics), over a single breeding season. Thirteen species of penguins, albatrosses and petrels were studied, including endangered and near-threatened species, such as Amsterdam albatrosses and emperor penguins. Blood Hg burdens varied widely between species, with a factor of ~50 between the lowest and highest concentrations (mean ± SD, 0.05 ± 0.01 and 2.66 ± 0.81 µg g−1 dry weight, in thin-billed prions and Amsterdam albatrosses, respectively). Species relying on Antarctic waters for feeding had low Hg exposure. Concentrations of POPs were low in chicks, with the exception of hexachlorobenzene. Contaminant concentrations were mainly explained by species differences, but feeding habitat (inferred from δ13C values) and chicks’ body mass also contributed to explain variation. Collectively, our findings call for further toxicological investigations in Amsterdam albatrosses and small petrel species, because they were exposed to high and diverse sources of contaminants, and in macaroni penguins, which specifically showed very high selenium concentrations. Capsule Seabird chicks from four distant sites in the southern Indian Ocean had contrasted blood metallic and organic contaminant patterns depending on species, feeding habitat and body mass. |
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109 |
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Bachelor's thesis |
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0160-4120 |
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yes |
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7674 |
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Author |
Hoppe P., Kurat G., Walter J. & Maurette M. |
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Title |
Trace elements and oxygen isotopes in a cai-bearing micrometeorite from Antarctica. |
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Journal Article |
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Year |
1995 |
Publication |
Lunar and planetary science |
Abbreviated Journal |
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XXVI |
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623-624 |
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226 |
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Bachelor's thesis |
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1540-7845 |
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yes |
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1318 |
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Moine B.N., Gregoire M., O'Reilly S.Y., Sheppard S.M.F. & Cottin J.Y. |
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Title |
Trace Elements and D/H in Phlogopite- And Amphibole-Bearing ultramafic Xenoliths from Kerguelen Archipelago (TAAF). Nature of the Melt Fraction Percolating Oceanic Lithospheric Mantle. A Laser Ablation-ICP-MS and ICP-MS Study. |
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Conference - National - Article without Reading Comitee |
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1998 |
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29-31 |
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Workshop 'Progress in Kerguelen Islands Geology' |
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251 |
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yes |
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661 |
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Author |
Gregoire M., Moine B.N., O'reilly S., Cottin J.Y. & Giret A. |
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Title |
Trace Element Residence and Partitioning in Mantle Xenoliths Metasomatized by Highly Alkaline, Silicate- and Carbonate-rich Melts (Kerguelen Islands, Indian ocean). |
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Journal Article |
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2000 |
Publication |
Journal of petrology |
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41 |
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477-509 |
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251 |
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0022-3530 |
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yes |
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1115 |
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Author |
Barbante C., Turetta C., Capodaglio G., Cescon P., Hong S.M., Candelone J.P., Van De Velde K. & Boutron C.F. |
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Title |
Trace Element Determination in Polar Snow and Ice. An Overview of the Analytical Process and Application in Environmental and Paleoclimatic Studies. |
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Book Chapter |
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2001 |
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55-86 |
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In S. Caroli P. Cescon and D. Walton (Eds.) Environmental contamination in Antarctica a challenge to analytical chemistry. Elsevier Science |
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960 |
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yes |
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2199 |
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Author |
Afonso E., Thulliez P., Pontier D., Gilot-Fromont E. |
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Title |
Toxoplasmosis in prey species and consequences for prevalence in feral cats: not all preys are equal. Parasitology. |
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Journal Article |
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2007 |
Publication |
Parasitology |
Abbreviated Journal |
Parasitology |
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134 |
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1963-1971 |
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Nous avons étudié l'infestation chez les chats capturés de 1994 à 2004 dans chaque site, et les anticorps IgG anti T.gondii ont été détectés dans le sérum en utilisant un test d'agglutination. La prévalence globale est égale à 51%. Malgré la faible densité de la population de chats, la transmission de la toxoplasmose est remarquablement efficace à Kerguelen comparativement aux chats de métropole: la plupart des individus séroconvertissent avant l'âge de trois ans. Comme attendu, la séroprévalence diffère entre les sites, selon le régime alimentaire et également selon le sexe, une fois pris en compte l'effet de l'âge. A Ratmanoff, où le lapin représente 50% des espèces retrouvées dans le régime alimentaire, les chats sont moins souvent infectés que dans les autres sites (Port-aux-français, Port Couvreux et Port Jeanne d'Arc où le lapin constitue plus de 90% du régime alimentaire) (Figure 1). Les mâles sont plus souvent infectés que les femelles et la différence entre sexes tend à être plus prononcée dans le site où un nombre plus important d'espèces de proies est disponible (Ratmanoff). Une différence dans l'efficacité de prédation entre mâles et femelles peut expliquer ce résultat. De façon générale, nos résultats suggèrent que la composition en proies influence le risque d'infectiondu chat à T. gondii. La composition en proies devrait donc être considérée comme un facteur majeur pour comprendre la dynamique d'infection de T. gondii. |
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0031-1820 |
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yes |
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4724 |
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Author |
Brachet C., M. Calzas, C. Drezen, L. Fichen, A. Guillot, P. Téchiné, L. Testut, P. Bonnefond, O. Laurain. |
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Title |
Towed and static GPS buoys for CAL/VAL and SSH. OSTS Team Meeting, 20-23 October 2015, Reston. |
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Conference - International - Poster |
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2015 |
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6351 |
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Brachet C., M. Calzas, C. Drezen, L. Fichen, A. Guillot, P. Téchiné, L. Testut, P. Bonnefond, O. Laurain. |
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Towed and static GPS buoys for CAL/VAL and SSH |
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Conference - International - Poster |
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2015 |
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14th session of GLOSS-GE and Indian Ocean Sea Level Science Workshop, 19-23 October 2015, Goa. |
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688 |
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6350 |
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Brachet C., M. Calzas, C. Drezen, L. Fichen, A. Guillot, P. Téchiné, L. Testut, P. Bonnefond, O. Laurain. |
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Title |
Towed and static GPS buoys for CAL/VAL and SSH |
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Communication |
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2015 |
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Oststeam meeting, 20-23 october 2015, reston. |
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7072 |
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Brachet C., M. Calzas, C. Drezen, L. Fichen, A. Guillot, P. Téchiné, L. Testut, P. Bonnefond, O. Laurain. |
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Title |
Towed and static GPS buoys for CAL/VAL and SSH |
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Communication |
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2015 |
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14th session of gloss-ge and indian ocean sea level science workshop, 19-23 october 2015, goa. |
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688 |
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7073 |
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