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Author  |
Barbero A. Grilli R., Blouzon C., Caillon N., Savarino, J. |
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Title |
New Observations to Better Constrain NOx (NO + NO2) Concentrations on the Antarctic Plateau and to Resolve the Ambiguity in the NO2:NO Ratio |
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Communication |
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2020 |
Publication |
AGU Fall Meeting 2020, 1-17 December 2020 San Francisco, USA |
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1177 |
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7864 |
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Author |
Barbero A., Grilli R., Blouzon C., Ahmed S., Thomas J.L., Frey M., Huang Y., Caillon N., Savarino J. |
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Title |
Innovative approach for new estimation of NOx snow-source on the Antarctic Plateau |
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Communication |
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Year |
2021 |
Publication |
EGU General Assembly, 19-30 April 2021 |
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1177 |
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yes |
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7867 |
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Title |
Morphological and taxonomical analysis of the terrestrial diatom genus Humidophila (Bacillariophyta) on Ile Amsterdam and Ile Saint-Paul (Southern Indian Ocean) |
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Journal |
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Year |
2018 |
Publication |
Phytotaxa |
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Volume |
336 |
Issue |
1 |
Pages |
28-42 |
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Keywords |
ALgae Bacillariophyta diatoms ecology Humidophila morphology new species |
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Abstract |
During a survey of the non-marine diatom flora of the volcanic islands, Ile Amsterdam and Ile Saint-Paul (southern Indian Ocean), seven species belonging to the terrestrial diatom genus Humidophila have been recorded. Apart from five previously known taxa (Humidophila contenta, H. crozetikerguelensis, H. gallica, H. brekkaensis, H. vidalii), two taxa could not be identified based on the currently available literature and are described as new to science: Humidophila amsterdamensis sp. nov. and Humidophila rouhaniana sp. nov. Detailed morphological descriptions of these taxa are given based on both light (LM) and scanning electron microscopy (SEM) observations. The morphological features of each taxon have been compared with similar species and notes on their ecology and associated diatom communities have been added. |
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136 |
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1179-3163 |
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1179-3163 |
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7017 |
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The genus Luticola (Bacillariophyta) on Ile Amsterdam and Ile Saint-Paul (Southern Indian Ocean) with the description of two new species |
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Journal |
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2017 |
Publication |
European Journal of Taxonomy |
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0 |
Issue |
387 |
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Keywords |
Bacillariophyta diatoms Luticola morphology new species |
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136 |
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2118-9773 |
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2118-9773 |
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7039 |
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Title |
Moss-inhabiting diatom communities from Ile Amsterdam (TAAF, southern Indian Ocean) |
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2021 |
Publication |
Plant Ecology and Evolution |
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154 |
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1 |
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63-79 |
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Bacillariophyta diatoms ecology Ile Amsterdam mosses southern Indian Ocean sub-Antarctic region |
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136 |
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ISSN |
2032-3921 |
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7974 |
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Author |
Barbraud C, Rolland V, Jenouvrier S, Nevoux M, Delord K, Weimerskirch H, |
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Title |
Effects of climate change and fisheries bycatch on Southern Ocean seabirds: a review
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Journal Article |
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Year |
2012 |
Publication |
Mar Ecol Prog Ser |
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Volume |
454 |
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Pages |
285-307 |
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Abstract |
Over the last century, major climate changes and intense human exploitation of natural living resources have occurred in the Southern Ocean, potentially affecting its ecosystems up to top marine predators. Fisheries may also directly affect seabirds through bycatch and additional food resources provided by discards. The past 20 yr of research has seen an increasing number of studies investigating the effects of climate change and fisheries activities on Southern Ocean seabirds. Here, we review these studies in order to identify patterns in changes in distribution, phenology, demography and population dynamics in response to changes in climate and fisheries bycatch. Shifts in distribution and breeding phenology were documented in parallel to increases in sea-surface temperatures and changes in sea-ice cover. Above all warm sea-surface temperatures negatively affected demographic parameters, although exceptions were found. Relationships suggest non-linear effects of sea-ice cover on demographic parameters and population dynamics, with optimum sea-ice cover conditions appearing to be the rule. Fishing efforts were mainly negatively related to survival rates, and only for a few species positively related to breeding success. A handful of studies found that chronic mortality of immature birds due to fisheries negatively affected populations. Climate factors and fisheries bycatch may simultaneously affect demographic parameters in a complex way, which can be integrated in population models to project population trajectories under future climate or fisheries scenarios. Needed are studies that integrate other environmental factors, trophic levels, foraging behaviour, climate−fisheries interactions, and the mechanisms underlying phenotypic plasticity, such as some pioneering studies conducted elsewhere. |
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109 |
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0171-8630 |
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yes |
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3868 |
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Author |
Barbraud C. |
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Report |
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Year |
1995 |
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Abstract |
D.E.A.'Biologie des Populations et Eco-Ethologie |
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109 |
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354 |
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Author |
Barbraud C. |
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1999 |
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Thèse pour obtenir le Grade de Docteur de l'Université de Tours, Université François Rabelais Tours |
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109 |
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745 |
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Author |
Barbraud C. |
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Title |
Subspecies-selective predation of snow petrels by skuas. |
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Journal Article |
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1999 |
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Oikos |
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86 |
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275-282 |
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109 |
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0030-1299 |
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823 |
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Author |
Barbraud C. |
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Title |
Natural selection on body size traits in a long-lived bird, the snow petrel Pagodroma nivea. |
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Journal Article |
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2000 |
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Journal of evolutionary biology |
Abbreviated Journal |
J. Evol. Biol. |
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1 |
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81-88 |
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109 |
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1010-061X |
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1305 |
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