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Title |
Ferocia gen. nov., a new centric diatom genus (Bacillariophyceae) from the sub-Antarctic region |
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Journal |
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Year |
2017 |
Publication |
Phytotaxa |
Abbreviated Journal |
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Volume |
332 |
Issue |
1 |
Pages |
22-30 |
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Keywords |
Algae centric diatoms Ferocia Melosira new genus sub-Antarctic Region |
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Abstract |
A new centric diatom genus, Ferocia Van de Vijver & Houk gen. nov. is described based on Melosira setosa Greville. Several samples collected in lava tunnels on Ile Amsterdam, a small isolated, volcanic island in the southern Indian Ocean where the latter taxon dominated the diatom flora, were investigated. The new genus is characterized by having heavily silicified, spherical frustules, connected into long chains by large, complex linking spines. Valves are dome-shaped with a high mantle with rounded to irregularly shaped areolae. Numerous small rimoportulae forming a marginal ring are present near the mantle edge. The cingulum is composed of a large number of narrow, open copulae. A second species, Ferocia ninae Van de Vijver & Houk sp. nov., is described from the nearby Crozet archipelago. Besides the typical features of the genus Ferocia, the rimoportulae in F. ninae are almost equidistant, the valves have a relatively low valve height and the spines are relatively small. Both F. ninae and F. setosa were found in shaded lava tunnels with a sparse moss vegetation. The two species are illustrated and discussed based on detailed LM and SEM observations. |
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136 |
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1179-3163 |
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1179-3163 |
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yes |
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7026 |
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Title |
Taxonomy and phylogeny of the genus Steinera (Arctomiales, Arctomiaceae) in the subantarctic islands of Crozet and Kerguelen |
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Year |
2017 |
Publication |
Phytotaxa |
Abbreviated Journal |
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Volume |
324 |
Issue |
3 |
Pages |
201-238 |
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Keywords |
biodiversity Henssenia Koerberiaceae Lichens Massalongia Peltigerales |
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136 |
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1179-3163 |
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1179-3163 |
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yes |
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6752 |
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Damien Ertz, Alan Fryday, Imke Schmitt, Maryvonne Charrier, Magdalena Dudek, Martin Kukwa |
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Title |
Ochrolechia kerguelensis sp. nov. from the Southern Hemisphere and O. antarctica reinstated from the synonymy of O. parella |
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Year |
2016 |
Publication |
Phytotaxa |
Abbreviated Journal |
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Volume |
280 |
Issue |
2 |
Pages |
129-140 |
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Keywords |
biodiversity Fungi Pertusariales subantarctic islands taxonomy |
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136 |
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1179-3163 |
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1179-3163 |
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yes |
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6614 |
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Author |
Van de Vijver Bart, |
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Journal Article |
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Year |
2014 |
Publication |
Phytotaxa |
Abbreviated Journal |
1179-3155 |
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Volume |
184 |
Issue |
3 |
Pages |
139-139 |
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Keywords |
Brachysira, Iles Kerguelen, Navicula brachysira, morphology, new species, sub-Antarctica, |
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During a study of the freshwater diatom flora of some hot springs on the sub-Antarctic Kerguelen Islands, an unknown Brachysira species was observed. Detailed morphological analysis using both light and scanning electron microscopy observations revealed sufficient morphological differences to separate this species as Brachysira sandrae sp. nov. The new species belongs to the complex of taxa around B. brebissonii . The type material of Navicula brachysira , most likely the type of B. brebissonii , was studied to reveal its morphological ultrastructure. The new species is compared with B. brebissonii and with similar Brachysira taxa worldwide.
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136 |
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1179-3155 |
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yes |
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5752 |
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Author |
Lowe RL, Kociolek JP, Van de Vijver B |
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Year |
2013 |
Publication |
Phytotaxa |
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Volume |
111 |
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Pages |
39-52 |
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Abstract |
Phytotaxa ISSN 1179-3155 |
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136 |
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1179-3163 |
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yes |
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Serial |
4390 |
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Author |
Anne Cillard, Tatiana Fuentes Rodriguez, Jean-Patrice Robin, Pierre Bize, Antoine Stier, Vincent A. Viblanc |
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Year |
2023 |
Publication |
Behaviour |
Abbreviated Journal |
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Volume |
160 |
Issue |
5 |
Pages |
489-498 |
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Keywords |
allofeeding chick feeding food sharing learning parental care penguin seabird |
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119 |
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0005-7959, 1568-539X |
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8550 |
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Author |
Keddar, I., Couchoux, C., Jouventin, P. & Dobson, F. S. 2015. V |
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Title |
Variation of mutual colour ornaments of king penguins in response to winter resource availability |
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Journal Article |
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Year |
2015 |
Publication |
Behaviour |
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Behaviour |
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152 |
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1684-1705 |
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Abstract |
This paper is issued from one chapter of Ismael Keddar PhD thesis. I Keddar was supervised by F Bonadonna as main supervisor and S F Dobson as co-supervisor, and stopped the research career after defending his thesis in 2014. In 2015, SF Dobson fraudulently published this chapter deleting my name from the authorship (as it was in the thesis manuscript) and without informing me. The direction of my lab (the CEFE-CNRS), the IPEV, and the CNRS itself were informed, and sustained me. A legal case has been opened by CNRS. |
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354 |
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0005-7959 |
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yes |
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6300 |
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Title |
In Situ Gene Mapping of Two Genes Supports Independent Evolution of Sex Chromosomes in Cold-Adapted Antarctic Fish
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2013 |
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BioMed Research International |
Abbreviated Journal |
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2013 |
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Two genes, that is, 5S ribosomal sequences and antifreeze glycoprotein (AFGP) genes, were mapped onto chromosomes of eight Antarctic notothenioid fish possessing a X1X1X2X2/X1X2Y sex chromosome system, namely, Chionodraco hamatus and Pagetopsis macropterus (family Channichthyidae), Trematomus hansoni, T. newnesi, T. nicolai, T. lepidorhinus, and Pagothenia borchgrevinki (family Nototheniidae), and Artedidraco skottsbergi (family Artedidraconidae). Through fluorescence in situ hybridization (FISH), we uncovered distinct differences in the gene content of the Y chromosomes in the eight species, with C. hamatus and P. macropterus standing out among others in bearing 5S rDNA and AFGP sequences on their Y chromosomes, respectively. Both genes were absent from the Y chromosomes of any analyzed species. The distinct patterns of Y and non-Y chromosome association of the 5S rDNA and AFGP genes in species representing different Antarctic fish families support an independent origin of the sex heterochromosomes in notothenioids with interesting implications for the evolutionary/adaptational history of these fishes living in a cold-stable environment. |
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1124 |
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2314-6133 |
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yes |
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4524 |
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Title |
In Situ Gene Mapping of Two Genes Supports Independent Evolution of Sex Chromosomes in Cold-Adapted Antarctic Fish
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2013 |
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BioMed Research International |
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2013 |
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8 |
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1124 |
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2314-6133 |
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4832 |
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Global Modeling of the Oceanic Source of Organic Aerosols |
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2010 |
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Advances in Meteorology |
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The global marine organic aerosol budget is investigated by a 3-dimensional chemistry-transport model considering recently proposed parameterisations of the primary marine organic aerosol (POA) and secondary organic aerosol (SOA) formation from the oxidation of marine volatile organic compounds. MODIS and SeaWiFS satellite data of Chlorophyll-a and ECMWF solar incoming radiation, wind speed and temperature are driving the oceanic emissions in the model. Based on the adopted parameterisations the SOA and the sub-micron POA marine sources are evaluated at about 5 Tg SOA yr-1 (~ 1.5 Tg C yr-1) and 7 to 8 Tg yr-1 (~ 4 Tg-C yr-1), respectively. The computed marine SOA originates from the dimethylsulfide oxidation (~78%), the potentially formed dialkyl amine salts (~20%) and marine hydrocarbon oxidation (0.1%). Comparison of calculations with observations indicates an additional marine source of soluble organic carbon that could be partiallyencountered by marine POA chemical ageing. |
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415 |
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1687-9317 |
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2621 |
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