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Ordonez Casado B., Gebauer D., Schäfer H.J., Gil Ibarguchi J.L. & Peucat J.J. |
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A single subduction event at ca. 392 Ma for the ultramafic HP/HT-rocks of the Cabo Ortegal Complex. |
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Journal Article |
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1996 |
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Geogaceta |
Abbreviated Journal |
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Volume |
20 |
Issue |
2 |
Pages |
489-490 |
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233 |
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0213-683X |
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yes |
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1229 |
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Author |
Chat Joëlle, Manicki Aurélie, |
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Title |
A SNP-based assay in a non model species: evolutionary lineage assignment of brown trout ancient DNA
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Journal Article |
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Year |
2012 |
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Abbreviated Journal |
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Volume |
4 |
Issue |
1 |
Pages |
59-62- |
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Keywords |
Ancient DNA, Evolutionary lineage, Homoplasy, Mitochondrial DNA, Multiplex primer extension, SNaPshot, |
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1041 |
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Springer Netherlands |
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1877-7252 |
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yes |
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4655 |
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Author |
Roquet Fabien, Williams Guy, Hindell Mark A, Harcourt Rob, McMahon Clive, Guinet Christophe, Charrassin Jean-Benoit, Reverdin Gilles, Boehme Lars, Lovell Phil, Fedak Mike, |
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Title |
A Southern Indian Ocean database of hydrographic profiles obtained with instrumented elephant seals.
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Journal Article |
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Year |
2014 |
Publication |
Scientific data |
Abbreviated Journal |
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Volume |
1 |
Issue |
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Pages |
140028-140028 |
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Keywords |
Animals, Databases, Factual, Indian Ocean, Oceanography, Oceanography: methods, Seals, Earless, |
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Abstract |
The instrumentation of southern elephant seals with satellite-linked CTD tags has offered unique temporal and spatial coverage of the Southern Indian Ocean since 2004. This includes extensive data from the Antarctic continental slope and shelf regions during the winter months, which is outside the conventional areas of Argo autonomous floats and ship-based studies. This landmark dataset of around 75,000 temperature and salinity profiles from 20-140 °E, concentrated on the sector between the Kerguelen Islands and Prydz Bay, continues to grow through the coordinated efforts of French and Australian marine research teams. The seal data are quality controlled and calibrated using delayed-mode techniques involving comparisons with other existing profiles as well as cross-comparisons similar to established protocols within the Argo community, with a resulting accuracy of ±0.03 °C in temperature and ±0.05 in salinity or better. The data offer invaluable new insights into the water masses, oceanographic processes and provides a vital tool for oceanographers seeking to advance our understanding of this key component of the global ocean climate. |
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109 |
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Nature Publishing Group |
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2052-4463 |
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yes |
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Serial |
5906 |
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Author |
Thiebot Jean-Baptiste, Cherel Yves, Crawford Robert J M, Makhado Azwianewi B, Trathan Philip N, Pinaud David, Bost Charles-André, |
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Title |
A Space Oddity: Geographic and Specific Modulation of Migration in Eudyptes Penguins
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Type |
Journal Article |
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Year |
2013 |
Publication |
PLoS ONE |
Abbreviated Journal |
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Volume |
8 |
Issue |
8 |
Pages |
e71429- |
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Programme |
109 |
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Public Library of Science |
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ISSN |
1932-6203 |
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yes |
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Serial |
4764 |
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Author |
Thiebot Jean-Baptiste, Cherel Yves, Crawford Robert J M, Makhado Azwianewi B, Trathan Philip N, Pinaud David, Bost Charles-André, |
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Title |
A Space Oddity: Geographic and Specific Modulation of Migration in Eudyptes Penguins
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Journal Article |
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Year |
2013 |
Publication |
PLOS ONE |
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Volume |
8 |
Issue |
8 |
Pages |
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Abstract |
Post-breeding migration in land-based marine animals is thought to offset seasonal deterioration in foraging or other important environmental conditions at the breeding site. However the inter-breeding distribution of such animals may reflect not only their optimal habitat, but more subtle influences on an individual’s migration path, including such factors as the intrinsic influence of each locality’s paleoenvironment, thereby influencing animals’ wintering distribution. In this study we investigated the influence of the regional marine environment on the migration patterns of a poorly known, but important seabird group. We studied the inter-breeding migration patterns in three species of Eudyptes penguins (E. chrysolophus, E. filholi and E. moseleyi), the main marine prey consumers amongst the World’s seabirds. Using ultra-miniaturized logging devices (light-based geolocators) and satellite tags, we tracked 87 migrating individuals originating from 4 sites in the southern Indian Ocean (Marion, Crozet, Kerguelen and Amsterdam Islands) and modelled their wintering habitat using the MADIFA niche modelling technique. For each site, sympatric species followed a similar compass bearing during migration with consistent species-specific latitudinal shifts. Within each species, individuals breeding on different islands showed contrasting migration patterns but similar winter habitat preferences driven by sea-surface temperatures. Our results show that inter-breeding migration patterns in sibling penguin species depend primarily on the site of origin and secondly on the species. Such site-specific migration bearings, together with similar wintering habitat used by parapatrics, support the hypothesis that migration behaviour is affected by the intrinsic characteristics of each site. The paleo-oceanographic conditions (primarily, sea-surface temperatures) when the populations first colonized each of these sites may have been an important determinant of subsequent migration patterns. Based on previous chronological schemes of taxonomic radiation and geographical expansion of the genus Eudyptes, we propose a simple scenario to depict the chronological onset of contrasting migration patterns within this penguin group. |
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Programme |
394 |
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ISSN |
1932-6203 |
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yes |
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Call Number |
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Serial |
4481 |
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Author |
Hilton G.M., Thompson D.R., Sagar P.M., Cuthbert R.J., Cherel Y. & Bury S.J. |
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Title |
A stable isotopic investigation into the causes of decline in a sub-Antarctic predator, the rockhopper penguin Eudyptes chrysocome. |
Type |
Journal Article |
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Year |
2006 |
Publication |
Gobal Change Biology |
Abbreviated Journal |
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Volume |
12 |
Issue |
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Pages |
611-625 |
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109 |
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yes |
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Serial |
3702 |
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Author |
Francia, P.; Lanzerotti, L.J.; Villante, U.; Lepidi, S.; Di Memmo, D. |
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Title |
A statistical analysis of low-frequency magnetic pulsations at cusp and cap latitudes in Antarctica |
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Journal Article |
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Year |
2005 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
110 |
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Keywords |
polar cap and cusp pulsations; magnetospheric wave guide modes; field line resonances; open/closed field line boundary; 2784 Magnetospheric Physics: Solar wind/magnetosphere interactions; 2740 Magnetospheric Physics: Magnetospheric configuration and dynamics; 2776 Magnetospheric Physics: Polar cap phenomena; 2706 Magnetospheric Physics: Cusp; 2752 Magnetospheric Physics: MHD waves and instabilities |
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Abstract |
We report a statistical analysis of low-frequency magnetic variations (magnetic pulsations, 0.8–7 mHz) at South Pole (74°S corrected geomagnetic latitude) and Terra Nova Bay (80°S) during 1996. The results show that at South Pole (at cusp latitudes) the pulsation power exhibits two maxima during the day, one in the local premidnight and the other in the morning. The first maximum disappears when the analysis is restricted to northward interplanetary magnetic field conditions (B z > 1 nT), suggesting that it might be associated to substorm phenomena. During closed magnetospheric conditions, when the cusp is expected to be located poleward with respect to the station, the spectral and polarization characteristics of pulsations between 1 and 3 mHz suggest that resonant oscillations of the outermost closed field lines commonly occur at South Pole in the local morning. At Terra Nova Bay, in the polar cap, the pulsation power is much lower and its diurnal variation is characterized by a single maximum, which occurs around local noon, when the station approaches the cusp. The corresponding polarization pattern indicates that Terra Nova Bay is always located poleward with respect to resonant field lines. |
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1130 |
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American Geophysical Union |
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ISSN |
0148-0227 |
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yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
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5495 |
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Author |
Francia P., M. De Lauretis, M. Vellante, U. Villante, A. Piancatelli |
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Title |
A statistical analysis of ULF waves in the southern polar cap |
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Conference - International - Communication |
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Year |
2008 |
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Abstract |
SCAR/IASC IPY Open Science Conference, July 8-11 2008, St. Petersburg, Russia |
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1130 |
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yes |
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Serial |
5385 |
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Author |
LointierG, Dudok de WitT, HanuiseC, VallièresX, VillainJ-P, |
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Title |
A statistical approach for identifying the ionospheric footprint of magnetospheric boundaries from SuperDARN observations
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Type |
Journal Article |
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Year |
2008 |
Publication |
Annales Geophysicae |
Abbreviated Journal |
0992-7689 |
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Volume |
26 |
Issue |
2 |
Pages |
305-314 |
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Abstract |
Identifying and tracking the projection of magnetospheric regions on the high-latitude ionosphere is of primary importance for studying the Solar Wind-Magnetosphere-Ionosphere system and for space weather applications. By its unique spatial coverage and temporal resolution, the Super Dual Auroral Radar Network (SuperDARN) provides key parameters, such as the Doppler spectral width, which allows the monitoring of the ionospheric footprint of some magnetospheric boundaries in near real-time. In this study, we present the first results of a statistical approach for monitoring these magnetospheric boundaries. The singular value decomposition is used as a data reduction tool to describe the backscattered echoes with a small set of parameters. One of these is strongly correlated with the Doppler spectral width, and can thus be used as a proxy for it. Based on this, we propose a Bayesian classifier for identifying the spectral width boundary, which is classically associated with the Polar Cap boundary. The results are in good agreement with previous studies. Two advantages of the method are: the possibility to apply it in near real-time, and its capacity to select the appropriate threshold level for the boundary detection. |
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911 |
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0992-7689 |
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yes |
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Serial |
2735 |
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Author |
Lointier G., Dudok de Wit T., Hanuise C., Vallières X., Villain J.P. |
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Title |
A statistical approach for identifying the ionospheric footprint of magnetospheric boundaries from SuperDARN observations |
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Journal Article |
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Year |
2008 |
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Annales geophysicae |
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26 |
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305-314 |
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312 |
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0992-7689 |
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yes |
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5392 |
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