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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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Programme |
1048 |
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ISSN |
0954-1020, 1365-2079 |
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yes |
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Serial |
8186 |
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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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109 |
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ISSN |
0171-8630, 1616-1599 |
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yes |
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Serial |
8335 |
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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 |
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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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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 |
Antarctic Atmospheric River Climatology and Precipitation Impacts |
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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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2169-8996 |
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yes |
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Serial |
8327 |
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Author |
Jouanneau W.; Léandri-breton D-j.; Herzke D.; Moe B.; Nikiforov V. A.; Pallud M.; Parenteau C.; Gabrielsen G. W.; Chastel O. |
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Title |
Maternal transfer of contaminants and endocrine disruption in an Arctic seabird |
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Peer-reviewed symposium |
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Year |
2021 |
Publication |
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Abbreviated Journal |
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Programme |
330 |
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yes |
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Call Number |
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Serial |
8655 |
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Title |
Scouring by rafted ice and cryogenic patterned ground preserved in a Palaeoproterozoic equatorial proglacial lagoon succession, eastern India, Nuna supercontinent |
Type |
Journal |
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Year |
2021 |
Publication |
Marine and Petroleum Geology |
Abbreviated Journal |
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Volume |
123 |
Issue |
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Pages |
104766 |
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Keywords |
Ice-rafted debris Iceberg scouring India Palaeoproterozoic Permafrost Proglacial Reticulate ice |
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Abstract |
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Programme |
316 |
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0264-8172 |
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yes |
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Serial |
6471 |
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Title |
10 years of Polar Stratospheric Clouds lidar measurements at the French antarctic station Dumont d'Urville |
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Peer-reviewed symposium |
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Year |
2021 |
Publication |
EGU General Assembly 2021 |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
EGU21 |
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Programme |
209 |
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yes |
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Serial |
8725 |
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Author |
Jun Xie, Risheng Chu, Sidao Ni |
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Title |
Evaluating Global Tomography Models With Antipodal Ambient Noise Cross-Correlation Functions |
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Year |
2021 |
Publication |
Journal of Geophysical Research: Solid Earth |
Abbreviated Journal |
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Volume |
126 |
Issue |
3 |
Pages |
e2020JB020444 |
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Keywords |
ambient noise cross-correlation functions antipodal surface waves mantle heterogeneity tomography model evaluation |
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133 |
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2169-9356 |
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yes |
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Serial |
7993 |
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Author |
Karen D. McCoy |
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Title |
Community-Level Interactions and Disease Dynamics |
Type |
Book |
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Year |
2021 |
Publication |
Infectious Disease Ecology of Wild Birds |
Abbreviated Journal |
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333 |
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ISSN |
978-0-19-874624-9 |
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978-0-19-874624-9 |
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yes |
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8498 |
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Title |
Factors affecting adult body condition in the endangered northern rockhopper penguin |
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Year |
2021 |
Publication |
Marine Biology |
Abbreviated Journal |
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Volume |
168 |
Issue |
3 |
Pages |
27 |
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109,394 |
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Bachelor's thesis |
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ISSN |
1432-1793 |
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yes |
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Call Number |
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Serial |
7792 |
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