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Author |
Chastel, O. |
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Title |
Contaminants and seabirds in Svalbard: a French-Norwegian cooperation in the Arctic |
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Non peer-reviewed symposium |
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Year |
2018 |
Publication |
Awipev science introduction 2018 alfred-wegener-institut, bremerhaven. 7 february |
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330 |
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yes |
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8291 |
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Author |
Fabrice Bertile, Laetitia Fouillen, Thierry Wasselin, Pauline Maes, Yvon Le Maho, Alain Van Dorsselaer, Thierry Raclot |
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Title |
The Safety Limits Of An Extended Fast: Lessons from a Non-Model Organism |
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Journal |
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Year |
2016 |
Publication |
Scientific reports |
Abbreviated Journal |
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Volume |
6 |
Issue |
1 |
Pages |
39008 |
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Keywords |
Diagnostic markers Feeding behaviour |
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137 |
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ISSN |
2045-2322 |
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yes |
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8290 |
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Author |
K. Stachura-Suchoples, N. Enke, C. Schlie, I. Schaub, U. Karsten, R. Jahn |
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Title |
Contribution towards a morphological and molecular taxonomic reference library of benthic marine diatoms from two Arctic fjords on Svalbard (Norway) |
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Journal |
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Year |
2016 |
Publication |
Polar Biology |
Abbreviated Journal |
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Volume |
39 |
Issue |
11 |
Pages |
1933-1956 |
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Abstract |
Knowledge on benthic diatom taxonomy and hence biodiversity from Arctic locations is rare, though the few existing analyses address morphological characteristics only. Morphological treatment is a time-consuming process and just allows the taxonomic identification of a low sample volume. In contrast, molecular sequencing is a faster and universally applicable approach, and also has the potential for refined analyses. Unfortunately, a lot of molecular information in databases is not trustable, and often existing genetic data do not fit together with morphological aspects. Therefore, the main goal of our study was for the first time to combine both morphological features and DNA information on benthic Arctic diatoms. In a first step, we studied the morphology of 26 strains from the Rostock Culture Collection of Arctic diatoms via light and electron microscopies. Secondly, we addressed their molecular taxonomy by sequencing the DNA barcode 18S V4 and the chloroplast marker rbcL. As a result, we could identify five species. Seven of the altogether twelve taxa could not be attributed to any known species, because listed sequences and morphology did not fit together. From these, three species were described as new to science here. Although the studied strains represent only a minor fraction of the diatom flora of Svalbard, this study is a first milestone in coupling morphological and molecular data of benthic diatoms in such high latitudes. By making these data available online, they contribute to a taxonomic reference library for Arctic benthic diatoms and are available for comparative studies. |
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1158 |
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ISSN |
1432-2056 |
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yes |
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8289 |
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Author |
F. Parrenin, S. Fujita, A. Abe-Ouchi, K. Kawamura, V. Masson-Delmotte, H. Motoyama, F. Saito, M. Severi, B. Stenni, R. Uemura, E. W. Wolff |
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Title |
Climate dependent contrast in surface mass balance in East Antarctica over the past 216 ka |
Type |
Journal |
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Year |
2016 |
Publication |
Journal of Glaciology |
Abbreviated Journal |
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Volume |
62 |
Issue |
236 |
Pages |
1037-1048 |
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Keywords |
ice cores surface mass balance vertical thinning volcanic synchronization |
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Abstract |
Documenting past changes in the East Antarctic surface mass balance is important to improve ice core chronologies and to constrain the ice-sheet contribution to global mean sea-level change. Here we reconstruct past changes in the ratio of surface mass balance (SMB ratio) between the EPICA Dome C (EDC) and Dome Fuji (DF) East Antarctica ice core sites, based on a precise volcanic synchronization of the two ice cores and on corrections for the vertical thinning of layers. During the past 216 000 a, this SMB ratio, denoted SMBEDC/SMBDF, varied between 0.7 and 1.1, being small during cold periods and large during warm periods. Our results therefore reveal larger amplitudes of changes in SMB at EDC compared with DF, consistent with previous results showing larger amplitudes of changes in water stable isotopes and estimated surface temperature at EDC compared with DF. Within the last glacial inception (Marine Isotope Stages, MIS-5c and MIS-5d), the SMB ratio deviates by up to 0.2 from what is expected based on differences in water stable isotope records. Moreover, the SMB ratio is constant throughout the late parts of the current and last interglacial periods, despite contrasting isotopic trends. |
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Programme |
1203 |
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ISSN |
0022-1430, 1727-5652 |
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yes |
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Call Number |
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Serial |
8288 |
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Author |
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Title |
Numerical Weather Forecasts at Kilometer Scale in the French Alps: Evaluation and Application for Snowpack Modeling |
Type |
Journal |
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Year |
2016 |
Publication |
Journal of Hydrometeorology |
Abbreviated Journal |
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Volume |
17 |
Issue |
10 |
Pages |
2591-2614 |
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Abstract |
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Programme |
411 |
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ISSN |
1525-7541, 1525-755X |
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yes |
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Serial |
8287 |
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Author |
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Title |
Stable isotopes measurements reveal dual carbon pools contributing to organic matter enrichment in marine aerosol |
Type |
Journal |
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Year |
2016 |
Publication |
Scientific Reports |
Abbreviated Journal |
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Volume |
6 |
Issue |
1 |
Pages |
36675 |
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Keywords |
Carbon cycle Marine chemistry |
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Programme |
415 |
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ISSN |
2045-2322 |
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Approved |
yes |
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Call Number |
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Serial |
8286 |
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Author |
Yuri I. Kantor, Myroslaw G. Harasewych, Nicolas Puillandre |
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Title |
A critical review of Antarctic Conoidea (Neogastropoda) |
Type |
Journal |
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Year |
2016 |
Publication |
Molluscan Research |
Abbreviated Journal |
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Volume |
36 |
Issue |
3 |
Pages |
153-206 |
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Keywords |
Antarctic Convergence bathymetric distribution endemism new name new species |
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Programme |
281,1124,1142 |
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Bachelor's thesis |
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ISSN |
1323-5818 |
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Approved |
yes |
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Call Number |
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Serial |
8285 |
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Author |
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Title |
Combined influence of meso-scale circulation and bathymetry on the foraging behaviour of a diving predator, the king penguin (Aptenodytes patagonicus) |
Type |
Journal |
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Year |
2016 |
Publication |
Progress in Oceanography |
Abbreviated Journal |
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Volume |
141 |
Issue |
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Pages |
1-16 |
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Abstract |
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Programme |
394 |
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ISSN |
0079-6611 |
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yes |
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Call Number |
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Serial |
8284 |
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Title |
DNA analyses reveal abundant homoplasy in taxonomically important morphological characters of Eusiroidea (Crustacea, Amphipoda) |
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Journal |
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Year |
2016 |
Publication |
Zoologica Scripta |
Abbreviated Journal |
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Volume |
45 |
Issue |
3 |
Pages |
300-321 |
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Abstract |
Eusiroidea is one of the 20 amphipod superfamilies that were erected to subdivide the very large and controversial suborder Gammaridea. Yet, the definition of the superfamily is not based on synapomorphies, but on a combination of diagnostic phenetic similarities that hold more or less consistently across families. Moreover, many of the characters used to define eusiroid families are suspected to show convergent evolution. The current classification of the Eusiroidea may therefore not reflect evolutionary relationships accurately. Here, we present a molecular phylogenetic re-analysis of the Eusiroidea based on a comparison of 18S and 28S rDNA sequences of 73 species, representing 47 genera and 16 families that potentially belong to the superfamily. The results suggest that at least species belonging to 14 of these traditional families would be part of a eusiroid clade, increasing by more than twofold the species and generic richness of the group. However, most of the eusiroid families surveyed do not appear monophyletic. Finally, the analyses show that several important morphological characteristics, traditionally used in eusiroid taxonomy, are homoplastic. |
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Programme |
1124 |
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ISSN |
1463-6409 |
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Approved |
yes |
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Call Number |
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Serial |
8283 |
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Author |
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Title |
Looking beneath the tip of the iceberg: diversification of the genus Epimeria on the Antarctic shelf (Crustacea, Amphipoda) |
Type |
Journal |
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Year |
2016 |
Publication |
Polar Biology |
Abbreviated Journal |
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Volume |
39 |
Issue |
5 |
Pages |
925-945 |
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Programme |
281,1124,1142 |
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Bachelor's thesis |
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Edition |
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ISSN |
1432-2056 |
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Notes |
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Approved |
yes |
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Call Number |
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Serial |
8282 |
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