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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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2296-701X |
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yes |
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6566 |
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Title |
Stakeholder Perspectives on Triage in Wildlife Monitoring in a Rapidly Changing Arctic |
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Year |
2016 |
Publication |
Frontiers in Ecology and Evolution |
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4 |
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Keywords |
Arctic monitoring decision-making Polar observation Priorization recording wildlife conservation |
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388 |
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2296-701X |
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2296-701X |
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yes |
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6918 |
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Title |
Stakeholder Perspectives on Triage in Wildlife Monitoring in a Rapidly Changing Arctic |
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2016 |
Publication |
Frontiers in Ecology and Evolution |
Abbreviated Journal |
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4 |
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Arctic monitoring decision-making Polar observation Priorization recording wildlife conservation |
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388 |
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2296-701X |
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2296-701X |
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yes |
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7297 |
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Andreas Richter, Alexey A. Ekaykin, Matthias O. Willen, Vladimir Ya. Lipenkov, Andreas Groh, Sergey V. Popov, Mirko Scheinert, Martin Horwath, Reinhard Dietrich |
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Title |
Surface Mass Balance Models Vs. Stake Observations: A Comparison in the Lake Vostok Region, Central East Antarctica |
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Journal |
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2021 |
Publication |
Frontiers in Earth Science |
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9 |
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388 |
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411 |
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2296-6463 |
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yes |
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8030 |
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Author |
Alexey Lyubushin |
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Title |
Global Seismic Noise Entropy |
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Journal |
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Year |
2020 |
Publication |
Frontiers in Earth Science |
Abbreviated Journal |
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Volume |
8 |
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558 |
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133 |
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2296-6463 |
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2296-6463 |
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yes |
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Call Number |
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Serial |
7889 |
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Title |
A Micro-Mechanical Model for the Transformation of Dry Polar Firn Into Ice Using the Level-Set Method |
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Journal |
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Year |
2020 |
Publication |
Frontiers in Earth Science |
Abbreviated Journal |
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Volume |
8 |
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Pages |
101 |
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Abstract |
Interpretation of greenhouse gas records in polar ice cores requires a good understanding of the mechanisms controlling gas trapping in polar ice, and therefore of the processes of densification and pore closure in firn (compacted snow). Current firn densification models are based on a macroscopic description of the firn and rely on empirical laws and/or idealized geometries to obtain the equations governing the densification and pore closure. Here, we propose a physically-based methodology explicitly representing the porous structure and its evolution over time. In order to handle the complex geometry and topological changes that occur during firn densification, we rely on a Level-Set representation of the interface between the ice and the pores. Two mechanisms are considered for the displacement of the interface: (i) mass surface diffusion driven by local pore curvature and (ii) ice dislocation creep. For the latter, ice is modeled as a viscous material and the flow velocities are solutions of the Stokes equations. First applications show that the model is able to densify firn and split pores. Using the model in cold and arid conditions of the Antarctic plateau, we show that gas trapping models do not have to consider the reduced compressibility of closed pores compared to open pores in the deepest part of firns. Our results also suggest that the mechanism of curvature-driven surface diffusion does not result in pore splitting, and that ice creep has to be taken into account for pores to close. Future applications of this type of model could help quantify the evolution and closure of firn porous networks for various accumulation and temperature conditions. |
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1153 |
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2296-6463 |
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yes |
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8268 |
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Journal Article |
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2014 |
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Frontiers in Earth Science |
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2 |
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316 |
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2296-6463 |
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yes |
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5364 |
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Title |
Host specialization in ticks and transmission of tick-borne diseases: a review
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Journal Article |
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2013 |
Publication |
Frontiers in Cellular and Infection Microbiology |
Abbreviated Journal |
Front. Cell. Infect. Microbiol |
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3 |
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Keywords |
adaptation, Argasidae, Borrelia burgdorferi sensu lato, community diversity, epidemiology, Ixodidae, population genetic structure, transmission, |
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Abstract |
Determining patterns of host use, and the frequency at which these patterns change, are of key importance if we are to understand tick population dynamics, the evolution of tick biodiversity, and the circulation and evolution of associated pathogens. The question of whether ticks are typically host specialists or host generalists has been subject to much debate over the last half-century. Indeed, early research proposed that morphological diversity in ticks was linked to host specific adaptations and that most ticks were specialists. Later work disputed this idea and suggested that ticks are largely limited by biogeographic conditions and tend to use all locally available host species. The work presented in this review suggests that the actual answer likely lies somewhere between these two extremes. Although recent observational studies support the view that phylogenetically diverse host species share ticks when found on similar ecological ranges, theory on host range evolution predicts that host specialization should evolve in ticks given their life history characteristics. Contemporary work employing population genetic tools to examine host-associated population structure in several tick systems support this prediction and show that simple species records are not enough to determine whether a parasite is a true host generalist; host specialization does evolve in ticks at local scales, but may not always lead to speciation. Ticks therefore seem to follow a pattern of being global generalists, local specialists. Given this, the notion of host range needs to be modified from an evolutionary perspective, where one simply counts the number of hosts used across the geographic distribution, to a more ecological view, where one considers host use at a local scale, if we are to better understand the circulation of tick-borne pathogens and exposure risks for humans and livestock. |
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333 |
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2296-634X |
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yes |
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4612 |
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Author |
Alexandra Lavrillier |
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Journal |
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Year |
2020 |
Publication |
Arctic Anthropology |
Abbreviated Journal |
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Volume |
57 |
Issue |
1 |
Pages |
72-99 |
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1127 |
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0066-6939, 1933-8139 |
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8079 |
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Title |
Assessing marine ecosystem complexity: isotopic integration of the trophic structure of seabird communities from the Southern Ocean |
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Year |
2022 |
Publication |
Marine Ecology Progress Series |
Abbreviated Journal |
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Volume |
694 |
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Pages |
193-208 |
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Keywords |
Antarctica Body size Habitat Penguins Procellariiformes Stable isotopes Trophic position |
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109 |
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0171-8630, 1616-1599 |
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8321 |
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