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Title |
Recent Climate Variability around the Kerguelen Islands (Southern Ocean) Seen through Weather Regimes |
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Journal |
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Year |
2021 |
Publication |
Journal of Applied Meteorology and Climatology |
Abbreviated Journal |
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Volume |
60 |
Issue |
5 |
Pages |
711-731 |
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Programme |
688,1044,1048 |
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Bachelor's thesis |
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ISSN  |
1558-8424 |
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Approved |
yes |
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Call Number |
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Serial |
8003 |
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Journal |
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Year |
2021 |
Publication |
Ecological Monographs |
Abbreviated Journal |
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Volume |
91 |
Issue |
3 |
Pages |
e01459 |
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Programme |
109 |
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Bachelor's thesis |
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ISSN |
1557-7015 |
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yes |
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Serial |
8210 |
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Title |
Per- and Polyfluoroalkyl Substances Are Positively Associated with Thyroid Hormones in an Arctic Seabird |
Type |
Journal |
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Year |
2021 |
Publication |
Environmental Toxicology and Chemistry |
Abbreviated Journal |
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Volume |
40 |
Issue |
3 |
Pages |
820-831 |
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Keywords |
Avian toxicity Ecotoxicology Endocrine-disrupting compounds Per- and polyfluoroalkyl substance Thyroid hormones |
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Abstract |
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Programme |
330 |
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ISSN |
1552-8618 |
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yes |
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Serial |
7967 |
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Author |
G. Hubert, S. Aubry |
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Title |
Study of the Impact of Past Extreme Solar Events on the Modern Air Traffic |
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Journal |
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Year |
2021 |
Publication |
Space Weather |
Abbreviated Journal |
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Volume |
19 |
Issue |
4 |
Pages |
e2020SW002665 |
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Abstract |
The ancient solar energetic particle (SEP) events of 774/775 CE and 993/994 CE were characterized thanks to radionuclide productions stored in environmental archives as ice cores or tree rings. Primary cosmic ray spectra deduced from these cosmogenic isotope data indicate that the impact of these extreme SEP events would have been much more significant than any of the ones observed during the modern era. However, the impact of these should be studied more accurately in the framework of the ambient dose equivalent impacting aircrew and passengers in the air traffic context by considering physical parameters such as time profile or anisotropy properties. In this study, the impact that 774/775 CE and 993/994 CE past extreme SEP events could have had on modern air traffic is discussed. Possible event spectra for these ancient events are derived from the spectra ground-level enhancement (GLE) 5 and GLE 69, which have been observed during the modern era and have been widely studied/characterized using measurements. The investigations include the impact of the SEP activity on ambient dose equivalent, including detailed analyses considering route, airplane characteristics (departure, arrival, continent, airplane type), and the time occurrence of the SEP event. Statistical analyses show that additional dose levels can reach values on the order of 70 mSv, which is absolutely significant considering the current air traffic recommendations. The orders of magnitude of the ambient dose equivalent induced during past extreme SEP events raises a number of issues, both for aircrews and for avionics hardware. This study demonstrates that simulations can be useful for the evaluation of risks in case of extreme SEP events. |
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1112 |
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ISSN |
1542-7390 |
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yes |
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Call Number |
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Serial |
7934 |
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Title |
Precise Transit and Radial-velocity Characterization of a Resonant Pair: The Warm Jupiter TOI-216c and Eccentric Warm Neptune TOI-216b |
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Journal |
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Year |
2021 |
Publication |
The Astronomical Journal |
Abbreviated Journal |
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Volume |
161 |
Issue |
4 |
Pages |
161 |
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Abstract |
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Programme |
1066 |
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Edition |
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ISSN |
1538-3881 |
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Approved |
yes |
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Call Number |
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Serial |
8194 |
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Title |
TOI-1231 b: A Temperate, Neptune-sized Planet Transiting the Nearby M3 Dwarf NLTT 24399 |
Type |
Journal |
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Year |
2021 |
Publication |
The Astronomical Journal |
Abbreviated Journal |
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Volume |
162 |
Issue |
3 |
Pages |
87 |
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Keywords |
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Abstract |
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Programme |
1066 |
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Edition |
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ISSN |
1538-3881 |
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Approved |
yes |
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Call Number |
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Serial |
8196 |
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Title |
Phylogenomic Resolution of Sea Spider Diversification through Integration of Multiple Data Classes |
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Journal |
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Year |
2021 |
Publication |
Molecular Biology and Evolution |
Abbreviated Journal |
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Volume |
38 |
Issue |
2 |
Pages |
686-701 |
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Abstract |
Despite significant advances in invertebrate phylogenomics over the past decade, the higher-level phylogeny of Pycnogonida (sea spiders) remains elusive. Due to the inaccessibility of some small-bodied lineages, few phylogenetic studies have sampled all sea spider families. Previous efforts based on a handful of genes have yielded unstable tree topologies. Here, we inferred the relationships of 89 sea spider species using targeted capture of the mitochondrial genome, 56 conserved exons, 101 ultraconserved elements, and 3 nuclear ribosomal genes. We inferred molecular divergence times by integrating morphological data for fossil species to calibrate 15 nodes in the arthropod tree of life. This integration of data classes resolved the basal topology of sea spiders with high support. The enigmatic family Austrodecidae was resolved as the sister group to the remaining Pycnogonida and the small-bodied family Rhynchothoracidae as the sister group of the robust-bodied family Pycnogonidae. Molecular divergence time estimation recovered a basal divergence of crown group sea spiders in the Ordovician. Comparison of diversification dynamics with other marine invertebrate taxa that originated in the Paleozoic suggests that sea spiders and some crustacean groups exhibit resilience to mass extinction episodes, relative to mollusk and echinoderm lineages. |
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Programme |
1124 |
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ISSN |
1537-1719 |
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Approved |
yes |
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Call Number |
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Serial |
8246 |
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Title |
The early life of king penguins: ontogeny of dive capacity and foraging behaviour in an expert diver |
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Journal |
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Year |
2021 |
Publication |
The Journal of Experimental Biology |
Abbreviated Journal |
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Volume |
224 |
Issue |
12 |
Pages |
jeb242512 |
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Keywords |
Animals Behavior, Animal Bio-logging Diving Feeding Behavior Foraging proficiency Ontogeny Seabirds Spheniscidae Temperature Wiggles |
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Abstract |
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Programme |
137,394 |
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Corporate Author |
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Thesis |
Bachelor's thesis |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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ISSN |
1477-9145 |
ISBN |
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Approved |
yes |
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Call Number |
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Serial |
8473 |
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Title |
Taxonomy based on limited genomic markers may underestimate species diversity of rockhopper penguins and threaten their conservation |
Type |
Journal |
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Year |
2021 |
Publication |
Diversity and Distributions |
Abbreviated Journal |
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Volume |
27 |
Issue |
11 |
Pages |
2277-2296 |
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Keywords |
Eudyptes genomics rockhopper penguins species delimitation |
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Abstract |
Aim Delimiting recently diverged species is challenging. During speciation, genetic differentiation may be distributed unevenly across the genome, as different genomic regions can be subject to different selective pressures and evolutionary histories. Reliance on limited numbers of genetic markers that may be underpowered can make species delimitation even more challenging, potentially resulting in taxonomic inconsistencies. Rockhopper penguins of the genus Eudyptes comprise three broadly recognized taxa: northern (E. moseleyi), southern (E. chrysocome) and eastern rockhopper (E. filholi). Their taxonomic status has been controversial for decades, with researchers disagreeing about whether E. chrysocome and E. filholi are distinct species or conspecific. Our goal is to evaluate genome-wide patterns of divergence to evaluate genetic differentiation and species delimitation in rockhopper penguins, and to assess which mechanisms may underlie previous discordance among nuclear versus mitochondrial analyses. Location Sub-Antarctic and temperate coastal regions of the Southern Hemisphere. Methods We generated reduced-representation genomic libraries using double digest restriction-site associated DNA (ddRAD) sequencing to evaluate genetic differentiation, contemporary migration rates and admixture among colonies of rockhopper penguins. Results The extent of genetic differentiation among the three taxa was consistently higher than population-level genetic differentiation found within these and other penguin species. There was no evidence of admixture among the three taxa, suggesting the absence of ongoing gene flow among them. Species delimitation analyses based on molecular data, along with other lines of evidence, provide strong support for the taxonomic distinction of three species of rockhopper penguins. Main conclusions Our results provide strong support for the existence of three distinct species of rockhopper penguins. The recognition of this taxonomic diversity is crucial for the management and conservation of this widely distributed species group. This study illustrates that widespread dispersive seabird lineages lacking obvious morphological differences may nevertheless have complex evolutionary histories and comprise cryptic species diversity. |
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Programme |
354 |
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Edition |
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ISSN |
1472-4642 |
ISBN |
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yes |
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Call Number |
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Serial |
8421 |
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Author |
A. Corbeau, J. Collet, F. Orgeret, P. Pistorius, H. Weimerskirch |
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Title |
Fine-scale interactions between boats and large albatrosses indicate variable susceptibility to bycatch risk according to species and populations |
Type |
Journal |
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Year |
2021 |
Publication |
Animal Conservation |
Abbreviated Journal |
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Volume |
24 |
Issue |
4 |
Pages |
689-699 |
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Keywords |
albatross populations biologging bycatch assessment bycatch risk ecological trap fisheries fishing boat bycatch seabirds |
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Abstract |
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Programme |
109 |
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Edition |
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ISSN |
1469-1795 |
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yes |
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Call Number |
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Serial |
8209 |
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