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Title |
Antarctic Atmospheric River Climatology and Precipitation Impacts |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Geophysical Research: Atmospheres |
Abbreviated Journal |
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Volume |
126 |
Issue |
8 |
Pages |
e2020JD033788 |
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Keywords |
Antarctica atmospheric rivers climatology meteorology |
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Abstract |
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Programme |
411 |
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ISSN |
2169-8996 |
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yes |
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Call Number |
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Serial |
8327 |
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Author |
John P. Whiteman, Seth D. Newsome, Paco Bustamante, Yves Cherel, Keith A. Hobson |
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Title |
Quantifying capital versus income breeding: New promise with stable isotope measurements of individual amino acids |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Animal Ecology |
Abbreviated Journal |
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Volume |
90 |
Issue |
6 |
Pages |
1408-1418 |
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Keywords |
carbon-13 compound-specific isotope analysis CSIA discrimination fasting fractionation nitrogen-15 |
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Abstract |
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Programme |
109 |
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Edition |
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ISSN |
1365-2656 |
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yes |
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Call Number |
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Serial |
7945 |
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Title |
Contribution of toothfish depredated on fishing lines to the energy intake of killer whales off the Crozet Islands: a multi-scale bioenergetic approach |
Type |
Journal |
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Year |
2021 |
Publication |
Marine Ecology Progress Series |
Abbreviated Journal |
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Volume |
668 |
Issue |
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Pages |
149-161 |
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Keywords |
Bioenergetic model Depredation Dissostichus eleginoides Ecosystem-based management Fisheries interaction Marine mammals Orcinus orca Top predator conservation |
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Abstract |
Fisheries modify prey availability for marine predators by extracting resources but also by providing them with new feeding opportunities. Among these, depredation, which occurs when predators feed on fish caught on fishing gear, is a behavior developed by many species as a way to acquire food through limited foraging effort. However, the extent to which depredated resources from fisheries contribute to the energetic requirements and affect the demography of depredating individuals is unknown. We investigated the contribution of Patagonian toothfish Dissostichus eleginoides depredated on longlines to the energetic requirements of killer whales Orcinus orca around the Crozet Islands (southern Indian Ocean) over the period 2007-2018. Our results indicate that during days when depredation occurred, depredating individuals fulfilled on average 94.1% of their daily energetic requirements with depredated toothfish. However, the contribution varied from 1.2 to 13.3% of the monthly energetic requirements and from 2.4 to 8.8% of the yearly energetic requirements of the total population. Together, these findings suggest that intake of depredated toothfish can be substantial at a fine scale (daily and individually), potentially leading to temporary provisioning effects and changes in predation pressures. These effects become minor (<10%), however, when considering the full population over a whole year. The contribution of depredated fish to the annual energetic requirements of the population has increased in recent years, likely due to larger fishing quotas and greater opportunities for whales to depredate, which stresses the importance of accounting for depredation in ecosystem-based management of fishing activity. |
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Programme |
109 |
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ISSN |
0171-8630, 1616-1599 |
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Notes |
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Approved |
yes |
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Call Number |
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Serial |
8335 |
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Author |
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Title |
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Type |
Journal |
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Year |
2021 |
Publication |
Antarctic Science |
Abbreviated Journal |
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Volume |
33 |
Issue |
1 |
Pages |
103-115 |
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Keywords |
Antarctic Cold Reversal glacier fluctuations Holocene in situ cosmogenic chlorine-36 dating palaeoclimate sub-Antarctic |
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Abstract |
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Programme |
1048 |
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ISSN |
0954-1020, 1365-2079 |
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Approved |
yes |
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Call Number |
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Serial |
8186 |
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Author |
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Title |
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Type |
Journal |
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Year |
2021 |
Publication |
Polar Biology |
Abbreviated Journal |
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Volume |
44 |
Issue |
7 |
Pages |
1391-1399 |
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Keywords |
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Abstract |
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Programme |
1091 |
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Series Volume |
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Edition |
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ISSN |
1432-2056 |
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yes |
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Call Number |
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Serial |
8224 |
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Author |
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Title |
Phylogenomic Resolution of Sea Spider Diversification through Integration of Multiple Data Classes |
Type |
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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Keywords |
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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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Edition |
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ISSN |
1537-1719 |
ISBN |
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Approved |
yes |
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Call Number |
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Serial |
8246 |
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Author |
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Title |
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Year |
2021 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
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Keywords |
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Abstract |
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Programme |
1151 |
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Approved |
yes |
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Call Number |
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Serial |
6711 |
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Author |
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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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Author |
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Title |
The Marine Vegetation of the Kerguelen Islands: History of Scientific Campaigns, Inventory of the Flora and First Analysis of Its Biogeographical Affinities |
Type |
Journal |
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Year |
2021 |
Publication |
Cryptogamie, Algologie |
Abbreviated Journal |
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Volume |
42 |
Issue |
12 |
Pages |
173-216 |
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Abstract |
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Programme |
1044 |
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ISSN |
0181-1568, 1776-0984 |
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Approved |
yes |
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Call Number |
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Serial |
8440 |
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Author |
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Title |
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Type |
Journal |
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Year |
2021 |
Publication |
Natural Hazards and Earth System Sciences Discussions |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
1-25 |
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Keywords |
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Abstract |
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Programme |
133 |
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Edition |
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ISSN |
1561-8633 |
ISBN |
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Approved |
yes |
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Call Number |
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Serial |
8019 |
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| Permanent link to this record |
