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Clive R. McMahon, Mark A. Hindell, Jean-Benoit Charrassin, Stuart Corney, Christophe Guinet, Robert Harcourt, Ian Jonsen, Rowan Trebilco, Guy Williams, Sophie Bestley |
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Title |
Finding mesopelagic prey in a changing Southern Ocean |
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Journal |
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Year |
2019 |
Publication  |
Scientific Reports |
Abbreviated Journal |
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Volume |
9 |
Issue |
1 |
Pages |
19013 |
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109,1201 |
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Bachelor's thesis |
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2045-2322 |
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yes |
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Call Number |
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Serial |
7705 |
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Title |
Global airborne microbial communities controlled by surrounding landscapes and wind conditions |
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Journal |
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Year |
2019 |
Publication |
Scientific Reports |
Abbreviated Journal |
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Volume |
9 |
Issue |
1 |
Pages |
14441 |
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Programme |
1028 |
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ISSN |
2045-2322 |
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yes |
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Call Number |
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Serial |
7707 |
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Author |
Marc Lebouvier, Philippe Lambret, Alexia Garnier, Peter Convey, Yves Frenot, Philippe Vernon, David Renault |
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Title |
Spotlight on the invasion of a carabid beetle on an oceanic island over a 105-year period |
Type |
Journal |
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Year |
2020 |
Publication |
Scientific Reports |
Abbreviated Journal |
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Volume |
10 |
Issue |
1 |
Pages |
17103 |
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Programme |
136 |
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ISSN |
2045-2322 |
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yes |
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Serial |
7977 |
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Title |
Marine habitat use and feeding ecology of introduced anadromous brown trout at the colonization front of the sub-Antarctic Kerguelen archipelago |
Type |
Journal |
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Year |
2021 |
Publication |
Scientific Reports |
Abbreviated Journal |
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Volume |
11 |
Issue |
1 |
Pages |
11917 |
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Keywords |
Animal migration Behavioural ecology Ecology Stable isotope analysis |
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Programme |
1041 |
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ISSN |
2045-2322 |
ISBN |
2045-2322 |
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yes |
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Call Number |
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Serial |
8180 |
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Title |
Surface ocean microbiota determine cloud precursors |
Type |
Journal |
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Year |
2021 |
Publication |
Scientific Reports |
Abbreviated Journal |
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Volume |
11 |
Issue |
1 |
Pages |
281 |
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Keywords |
Atmospheric science Marine biology |
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Abstract |
One pathway by which the oceans influence climate is via the emission of sea spray that may subsequently influence cloud properties. Sea spray emissions are known to be dependent on atmospheric and oceanic physicochemical parameters, but the potential role of ocean biology on sea spray fluxes remains poorly characterized. Here we show a consistent significant relationship between seawater nanophytoplankton cell abundances and sea-spray derived Cloud Condensation Nuclei (CCN) number fluxes, generated using water from three different oceanic regions. This sensitivity of CCN number fluxes to ocean biology is currently unaccounted for in climate models yet our measurements indicate that it influences fluxes by more than one order of magnitude over the range of phytoplankton investigated. |
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Programme |
1187 |
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ISSN |
2045-2322 |
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Approved |
yes |
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Call Number |
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Serial |
7264 |
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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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Abstract |
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Programme |
415 |
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Edition |
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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 |
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 |
Type |
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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Abstract |
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Programme |
137 |
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Edition |
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ISSN |
2045-2322 |
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Approved |
yes |
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Call Number |
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Serial |
8290 |
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Author |
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Title |
Fine-scale spatial segregation in a pelagic seabird driven by differential use of tidewater glacier fronts |
Type |
Journal |
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Year |
2021 |
Publication |
Scientific Reports |
Abbreviated Journal |
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Volume |
11 |
Issue |
1 |
Pages |
22109 |
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Keywords |
Behavioural ecology Biogeography |
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Abstract |
In colonially breeding marine predators, individual movements and colonial segregation are influenced by seascape characteristics. Tidewater glacier fronts are important features of the Arctic seascape and are often described as foraging hotspots. Albeit their documented importance for wildlife, little is known about their structuring effect on Arctic predator movements and space use. In this study, we tested the hypothesis that tidewater glacier fronts can influence marine bird foraging patterns and drive spatial segregation among adjacent colonies. We analysed movements of black-legged kittiwakes (Rissa tridactyla) in a glacial fjord by tracking breeding individuals from five colonies. Although breeding kittiwakes were observed to travel up to ca. 280 km from the colony, individuals were more likely to use glacier fronts located closer to their colony and rarely used glacier fronts located farther away than 18 km. Such variation in the use of glacier fronts created fine-scale spatial segregation among the four closest (ca. 7 km distance on average) kittiwake colonies. Overall, our results support the hypothesis that spatially predictable foraging patches like glacier fronts can have strong structuring effects on predator movements and can modulate the magnitude of intercolonial spatial segregation in central-place foragers. |
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Programme |
330 |
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ISSN |
2045-2322 |
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Approved |
yes |
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Call Number |
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Serial |
8309 |
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Author |
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Title |
Fine-scale structures as spots of increased fish concentration in the open ocean |
Type |
Journal |
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Year |
2021 |
Publication |
Scientific Reports |
Abbreviated Journal |
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Volume |
11 |
Issue |
1 |
Pages |
15805 |
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Keywords |
Fisheries Marine biology Physical oceanography |
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Abstract |
Oceanic frontal zones have been shown to deeply influence the distribution of primary producers and, at the other extreme of the trophic web, top predators. However, the relationship between these structures and intermediate trophic levels is much more obscure. In this paper we address this knowledge gap by comparing acoustic measurements of mesopelagic fish concentrations to satellite-derived fine-scale Lagrangian Coherent Structures in the Indian sector of the Southern Ocean. First, we demonstrate that higher fish concentrations occur more frequently in correspondence with strong Lagrangian Coherent Structures. Secondly, we illustrate that, while increased fish densities are more likely to be observed over these structures, the presence of a fine-scale feature does not imply a concomitant fish accumulation, as other factors affect fish distribution. Thirdly, we show that, when only chlorophyll-rich waters are considered, front intensity modulates significantly more the local fish concentration. Finally, we discuss a model representing fish movement along Lagrangian features, specifically built for mid-trophic levels. Its results, obtained with realistic parameters, are qualitatively consistent with the observations and the spatio-temporal scales analysed. Overall, these findings may help to integrate intermediate trophic levels in trophic models, which can ultimately support management and conservation policies. |
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Programme |
109 |
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ISSN |
2045-2322 |
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Approved |
yes |
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Call Number |
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Serial |
8384 |
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Author |
D. Noll, F. Leon, D. Brandt, P. Pistorius, C. Le Bohec, F. Bonadonna, P. N. Trathan, A. Barbosa, A. Raya Rey, G. P. M. Dantas, R. C. K. Bowie, E. Poulin, J. A. Vianna |
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Title |
Positive selection over the mitochondrial genome and its role in the diversification of gentoo penguins in response to adaptation in isolation |
Type |
Journal |
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Year |
2022 |
Publication |
Scientific Reports |
Abbreviated Journal |
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Volume |
12 |
Issue |
1 |
Pages |
3767 |
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Keywords |
Evolution Evolutionary genetics |
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Abstract |
Although mitochondrial DNA has been widely used in phylogeography, evidence has emerged that factors such as climate, food availability, and environmental pressures that produce high levels of stress can exert a strong influence on mitochondrial genomes, to the point of promoting the persistence of certain genotypes in order to compensate for the metabolic requirements of the local environment. As recently discovered, the gentoo penguins (Pygoscelis papua) comprise four highly divergent lineages across their distribution spanning the Antarctic and sub-Antarctic regions. Gentoo penguins therefore represent a suitable animal model to study adaptive processes across divergent environments. Based on 62 mitogenomes that we obtained from nine locations spanning all four gentoo penguin lineages, we demonstrated lineage-specific nucleotide substitutions for various genes, but only lineage-specific amino acid replacements for the ND1 and ND5 protein-coding genes. Purifying selection (dN/dS??1) was mostly present in codons of the Complex I (NADH genes), supported by two different codon-based methods at the ND1 and ND4 in the most divergent lineages, the eastern gentoo penguin from Crozet and Marion Islands and the southern gentoo penguin from Antarctica respectively. Additionally, ND5 and ATP6 were under selection in the branches of the phylogeny involving all gentoo penguins except the eastern lineage. Our study suggests that local adaptation of gentoo penguins has emerged as a response to environmental variability promoting the fixation of mitochondrial haplotypes in a non-random manner. Mitogenome adaptation is thus likely to have been associated with gentoo penguin diversification across the Southern Ocean and to have promoted their survival in extreme environments such as Antarctica. Such selective processes on the mitochondrial genome may also be responsible for the discordance detected between nuclear- and mitochondrial-based phylogenies of gentoo penguin lineages. |
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Programme |
137,354 |
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Corporate Author |
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Thesis |
Bachelor's thesis |
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Summary Language |
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ISSN |
2045-2322 |
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Approved |
yes |
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Call Number |
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Serial |
8457 |
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