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Rob Harcourt, Mark A. Hindell, Clive R. McMahon, Kimberly T. Goetz, Jean-Benoit Charrassin, Karine Heerah, Rachel Holser, Ian D. Jonsen, Michelle R. Shero, Xavier Hoenner, Rose Foster, Baukje Lenting, Esther Tarszisz, Matthew Harry Pinkerton |
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Title |
Regional Variation in Winter Foraging Strategies by Weddell Seals in Eastern Antarctica and the Ross Sea |
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Journal |
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Year |
2021 |
Publication |
Frontiers in Marine Science |
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8 |
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1182 |
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2296-7745 |
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2296-7745 |
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yes |
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8609 |
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Title |
Improved accuracy and spatial resolution for bio-logging-derived chlorophyll a fluorescence measurements in the Southern Ocean |
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Journal |
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Year |
2023 |
Publication |
Frontiers in Marine Science |
Abbreviated Journal |
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Volume |
10 |
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Keywords |
bio-logging tag chla fluorescence Sensor calibration Southern elephant seal Southern Ocean Submesoscale |
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1201 |
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2296-7745 |
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yes |
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8770 |
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Title |
A Migratory Divide Among Red-Necked Phalaropes in the Western Palearctic Reveals Contrasting Migration and Wintering Movement Strategies |
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Journal |
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Year |
2019 |
Publication |
Frontiers in Ecology and Evolution |
Abbreviated Journal |
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Volume |
7 |
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Keywords |
Flexibility Itineracy Migration strategy Phalaropus lobatus plasticity Red-necked Phalarope |
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1036 |
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2296-701X |
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2296-701X |
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yes |
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6953 |
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Author |
Wheeler, H. C., Berteaux, D., Furgal, C., Parlee, B., Yoccoz, N.G., Grémillet, D. |
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Title |
Stakeholder perspectives on triage in wildlife monitoring in a rapidly changing Arctic |
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Journal Article |
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Year |
2017 |
Publication |
Frontiers in ecology and evolution |
Abbreviated Journal |
Front. Ecol. Evol. |
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4 |
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Abstract |
Monitoring activities provide a core contribution to wildlife conservation in the Arctic. Effective monitoring which allows changes in population status to be detected early, provides opportunities to mitigate pressures driving declines. Monitoring triage involves decisions about how and where to prioritise activities in species and ecosystem based monitoring. In particular, monitoring triage examines whether to divert resources away from species where there is high likelihood of extinction in the near-future in favour of species where monitoring activities may produce greater conservation benefits. As a place facing both rapid change with a high likelihood of population extinctions, and serious logistic and financial challenges for field data acquisition, the Arctic provides a good context in which to examine attitudes toward triage in monitoring. For effective decision-making to emerge from monitoring, multiple stakeholders must be involved in defining aims and priorities. We conducted semi-structured interviews with stakeholders in arctic wildlife monitoring (either contributing to observation and recording of wildlife, using information from wildlife observation and recording, or using wildlife as a resource) to elicit their perspectives on triage in wildlife monitoring in the Arctic. The majority (56%) of our 23 participants were predominantly in opposition to triage, 26% were in support of triage and 17% were undecided. Representatives of Indigenous organisations were more likely to be opposed to triage than scientists and those involved in decision-making showed greatest support for triage amongst the scientist participants. Responses to the concept of triage included that: 1) The species-focussed approach associated with triage did not match their more systems-based view (5 participants), 2) Important information is generated through monitoring threatened species which advances understanding of the drivers of change, responses and ecosystem consequences (5 participants), 3) There is an obligation to try to monitor and conserve threatened species (4 participants), and 4) Monitoring needs to address local people’s needs which may be overlooked under triage (3 participants). The complexity of decision-making to create monitoring programmes that maximise benefits to biodiversity and people makes prioritisation with simple models difficult. Using scenarios to identify desirable trajectories of Arctic stewardship may be an effective means of identifying monitoring needs. |
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388 |
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2296-701X |
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yes |
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Serial |
6566 |
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Title |
Stakeholder Perspectives on Triage in Wildlife Monitoring in a Rapidly Changing Arctic |
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Journal |
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Year |
2016 |
Publication |
Frontiers in Ecology and Evolution |
Abbreviated Journal |
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Volume |
4 |
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Keywords |
Arctic monitoring decision-making Polar observation Priorization recording wildlife conservation |
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Abstract |
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Programme |
388 |
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ISSN |
2296-701X |
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2296-701X |
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Approved |
yes |
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Call Number |
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Serial |
6918 |
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Author |
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Title |
Stakeholder Perspectives on Triage in Wildlife Monitoring in a Rapidly Changing Arctic |
Type |
Journal |
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Year |
2016 |
Publication |
Frontiers in Ecology and Evolution |
Abbreviated Journal |
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Volume |
4 |
Issue |
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Pages |
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Keywords |
Arctic monitoring decision-making Polar observation Priorization recording wildlife conservation |
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Abstract |
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Programme |
388 |
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ISSN |
2296-701X |
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2296-701X |
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Approved |
yes |
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Call Number |
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Serial |
7297 |
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Author |
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Title |
Validation of Dive Foraging Indices Using Archived and Transmitted Acceleration Data: The Case of the Weddell Seal |
Type |
Journal |
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Year |
2019 |
Publication |
Frontiers in ecology and evolution |
Abbreviated Journal |
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Volume |
7 |
Issue |
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Pages |
30 |
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Keywords |
accelerometers Bio-logging diving behaviour foraging movement ecology Satelite relayed data logger Sea-ice |
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Abstract |
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Programme |
109,1182 |
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Thesis |
Bachelor's thesis |
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2296-701X |
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yes |
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Serial |
7516 |
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Title |
Variation Among Species and Populations, and Carry-Over Effects of Winter Exposure on Mercury Accumulation in Small Petrels |
Type |
Journal |
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Year |
2022 |
Publication |
Frontiers in Ecology and Evolution |
Abbreviated Journal |
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Volume |
10 |
Issue |
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Pages |
915199 |
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Abstract |
Even in areas as remote as the Southern Ocean, marine organisms are exposed to contaminants that arrive through long-range atmospheric transport, such as mercury (Hg), a highly toxic metal. In previous studies in the Southern Ocean, inter-specific differences in Hg contamination in seabirds was generally related to their distribution and trophic position. However, the Blue Petrel (Halobaena caerulea) was a notable exception among small seabirds, with higher Hg levels than expected. In this study, we compared the Hg contamination of Blue Petrels and Thin-billed Prions (Pachyptila belcheri), which both spend the non-breeding season in polar waters, with that of Antarctic Prions (Pachyptila desolata), which spend the winter in subtropical waters. We collected body feathers and blood samples, representing exposure during different time-frames. Hg concentrations in feathers, which reflect contamination throughout the annual cycle, were related to ?13C values, and varied with ocean basin and species. Blue Petrels from breeding colonies in the southeast Pacific Ocean had much higher feather Hg concentrations than expected after accounting for latitude and their low trophic positions. Both Hg concentrations and ?15N in blood samples of Blue Petrels were much lower at the end than at the start of the breeding period, indicating a marked decline in Hg contamination and trophic positions, and the carry-over of Hg burdens between the wintering and breeding periods. Elevated Hg levels may reflect greater reliance on myctophids or foraging in sea-ice environments. Our study underlines that carry-over of Hg concentrations in prey consumed in winter may determine body Hg burdens well into the breeding season. |
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109 |
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2296-701X |
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yes |
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Serial |
8415 |
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Title |
Demographic responses of Arctic seabirds to spring sea-ice variations |
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Journal |
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Year |
2023 |
Publication |
Frontiers in Ecology and Evolution |
Abbreviated Journal |
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Volume |
11 |
Issue |
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330 |
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ISSN |
2296-701X |
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yes |
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Serial |
8533 |
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Title |
Integument carotenoid-based colouration reflects contamination to perfluoroalkyl substances, but not mercury, in arctic black-legged kittiwakes |
Type |
Journal |
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Year |
2022 |
Publication |
Frontiers in ecology and evolution |
Abbreviated Journal |
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Volume |
10 |
Issue |
952765 |
Pages |
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Abstract |
Anthropogenic activities are introducing multiple chemical contaminants into ecosystems that act as stressors for wildlife. Perfluoroalkyl substances (PFAS) and mercury (Hg) are two relevant contaminants that may cause detrimental effects on the fitness of many aquatic organisms. However, there is a lack of information on their impact on the expression of secondary sexual signals that animals use for mate choice. We have explored the correlations between integument carotenoid-based colourations, blood levels of carotenoids, and blood levels of seven PFAS and of total Hg (THg) in 50 adult male black-legged kittiwakes (Rissa tridactyla) from the Norwegian Arctic during the pre-laying period, while controlling for other colouration influencing variables such as testosterone and body condition. Kittiwakes with elevated blood concentrations of PFAS (PFOSlin, PFNA, PFDcA, PFUnA, or PFDoA) had less chromatic but brighter bills, and brighter gape and tongue; PFOSlin was the pollutant with the strongest association with bill colourations. Conversely, plasma testosterone was the only significant correlate of hue and chroma of both gape and tongue, and of hue of the bill. Kittiwakes with higher concentrations of any PFAS, but not of THg, tended to have significantly higher plasma concentrations of the carotenoids astaxanthin, zeaxanthin, lutein, and cryptoxanthin. Our work provides the first correlative evidence that PFAS exposure might interfere with the carotenoid metabolism and the expression of integument carotenoid-based colourations in a free-living bird species. This outcome may be a direct effect of PFAS exposure or be indirectly caused by components of diet that also correlate with elevated PFAS concentrations (e.g., proteins). It also suggests that there might be no additive effect of THg co-exposure with PFAS on the expression of colourations. These results call for further work on the possible interference of PFAS with the expression of colourations used in mate choice. |
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330 |
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2296-701X |
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2296-701X |
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yes |
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8576 |
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