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Title |
Moss-inhabiting diatom communities from Ile Amsterdam (TAAF, southern Indian Ocean) |
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Year |
2021 |
Publication |
Plant Ecology and Evolution |
Abbreviated Journal |
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Volume |
154 |
Issue |
1 |
Pages |
63-79 |
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Keywords |
Bacillariophyta diatoms ecology Ile Amsterdam mosses southern Indian Ocean sub-Antarctic region |
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136 |
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2032-3921 |
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yes |
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7974 |
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An assessment of the endemic spermatophytes, pteridophytes and bryophytes of the French Overseas Territories: towards a better conservation outlook |
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Year |
2021 |
Publication |
Biodiversity and conservation |
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Volume |
30 |
Issue |
7 |
Pages |
2097-2124 |
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136 |
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1572-9710 |
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yes |
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7976 |
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Title |
Inter-annual variation in winter distribution affects individual seabird contamination with mercury |
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Year |
2021 |
Publication |
Marine Ecology Progress Series |
Abbreviated Journal |
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Volume |
676 |
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Pages |
243-254 |
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Keywords |
Biologging Feathers Migration North Atlantic-Arctic Pollutant |
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388 |
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0171-8630, 1616-1599 |
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yes |
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7978 |
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Title |
Toward a global strategy for seabird tracking |
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Journal |
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Year |
2021 |
Publication |
Conservation Letters |
Abbreviated Journal |
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Volume |
14 |
Issue |
3 |
Pages |
e12804 |
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Keywords |
biogeography biologging biotelemetry ecological monitoring marine conservation oceanography spatial planning threatened species |
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Abstract |
Electronic tracking technologies revolutionized wildlife ecology, notably for studying the movements of elusive species such as seabirds. Those advances are key to seabird conservation, for example in guiding the design of marine protected areas for this highly threatened group. Tracking data are also boosting scientific understanding of marine ecosystem dynamics in the context of global change. To optimize future tracking efforts, we performed a global assessment of seabird tracking data. We identified and mined 689 seabird tracking studies, reporting on > 28,000 individuals of 216 species from 17 families over the last four decades. We found substantial knowledge gaps, reflecting a historical neglect of tropical seabird ecology, with biases toward species that are heavier, oceanic, and from high-latitude regions. Conservation status had little influence on seabird tracking propensity. We identified 54 threatened species for which we did not find published tracking records, and 19 with very little data. Additionally, much of the existing tracking data are not yet available to other researchers and decision-makers in online databases. We highlight priority species and regions for future tracking efforts. More broadly, we provide guidance toward an ethical, rational, and efficient global tracking program for seabirds, as a contribution to their conservation. |
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388 |
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ISSN |
1755-263X |
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yes |
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7981 |
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Author |
Peter S. Ungar, Blaire Van Valkenburgh, Alexandria S. Peterson, Aleksandr A. Sokolov, Natalia A. Sokolova, Dorothee Ehrich, Ivan A. Fufachev, Olivier Gilg, Alexandra Terekhina, Alexander Volkovitskiy, Viktor Shtro |
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Title |
Dental evidence for variation in diet over time and space in the Arctic fox, Vulpes lagopus |
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Journal |
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Year |
2021 |
Publication |
Polar Biology |
Abbreviated Journal |
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Volume |
44 |
Issue |
3 |
Pages |
509-523 |
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Abstract |
Studies of the effects of variation in resource availability are important for understanding the ecology of high-latitude mammals. This paper examines the potential of dental evidence (tooth wear and breakage) as a proxy for diet and food choice in Vulpes lagopus, the Arctic fox. It presents a preliminary study of dental microwear, gross wear score, and tooth breakage in a sample (n?=?78 individuals) from the Yamal Peninsula of the Russian Arctic. While these measures have each been associated with feeding ecology in larger carnivorans (e.g., proportion of bone in the diet), they have yet to be combined in any study and have rarely been applied to smaller species or those from high latitudes. Arctic foxes from the north and south of the peninsula, and those from rodent peak and trough density periods, are compared to assess impact of changes in food availability across space and time. Results indicate that microwear textures vary in dispersion, with more variation in texture complexity, including higher values (suggesting more consumption of bone), in the rodent-poor period in the north of Yamal. Gross wear scores and tooth breakage are also significantly higher for the north of Yamal than the south. These data together suggest that dental evidence can provide important insights into variation in the feeding ecology of Arctic foxes and potentially into the impacts of changes in food abundance across space and time. |
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1036 |
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ISSN |
1432-2056 |
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yes |
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Serial |
7982 |
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Title |
The story of endurance: Biogeography and the evolutionary history of four Holarctic butterflies with different habitat requirements |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Biogeography |
Abbreviated Journal |
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Volume |
48 |
Issue |
3 |
Pages |
590-602 |
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Keywords |
COI Ef-1? insect Lepidoptera mammoth steppe Pleistocene Quaternary RpS5 species distribution modelling |
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Abstract |
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1036 |
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ISSN |
1365-2699 |
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yes |
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Serial |
7984 |
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Title |
A risk assessment of the effects of mercury on Baltic Sea, Greater North Sea and North Atlantic wildlife, fish and bivalves |
Type |
Journal |
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Year |
2021 |
Publication |
Environment international |
Abbreviated Journal |
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Volume |
146 |
Issue |
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Pages |
106178 |
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Keywords |
Biological effect Bird of prey Hg Marine mammal Risk threshold Seabird |
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Abstract |
A wide range of species, including marine mammals, seabirds, birds of prey, fish and bivalves, were investigated for potential population health risks resulting from contemporary (post 2000) mercury (Hg) exposure, using novel risk thresholds based on literature and de novo contamination data. The main geographic focus is on the Baltic Sea, while data from the same species in adjacent waters, such as the Greater North Sea and North Atlantic, were included for comparative purposes. For marine mammals, 23% of the groups, each composing individuals of a specific sex and maturity from the same species in a specific study region, showed Hg-concentrations within the High Risk Category (HRC) and Severe Risk Category (SRC). The corresponding percentages for seabirds, fish and bivalves were 2.7%, 25% and 8.0%, respectively, although fish and bivalves were not represented in the SRC. Juveniles from all species showed to be at no or low risk. In comparison to the same species in the adjacent waters, i.e. the Greater North Sea and the North Atlantic, the estimated risk for Baltic populations is not considerably higher. These findings suggest that over the past few decades the Baltic Sea has improved considerably with respect to presenting Hg exposure to its local species, while it does still carry a legacy of elevated Hg levels resulting from high neighbouring industrial and agricultural activity and slow water turnover regime. |
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1036 |
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ISSN |
0160-4120 |
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yes |
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7985 |
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Title |
Long-term tracking of an Arctic-breeding seabird indicates high fidelity for pelagic wintering areas |
Type |
Journal |
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Year |
2021 |
Publication |
Marine Ecology Progress Series |
Abbreviated Journal |
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Abstract |
Site fidelity is driven by predictable resource distributions in time and space. However, intrinsic factors related to an individual’s physiology and life-history traits can contribute to consistent foraging behaviour and movement patterns. Using 11 years of continuous geolocation tracking data (fall 2008 to spring 2019), we investigated spatiotemporal consistency in non-breeding movements in a pelagic seabird population of black-legged kittiwakes (Rissa tridactyla) breeding in the High Arctic (Svalbard). Our objective was to assess the relative importance of spatial versus temporal repeatability behind inter-annual movement consistency during winter. Most kittiwakes used pelagic regions of the western North Atlantic. Winter site fidelity was high both within and across individuals and at meso (100-1000 km) and macro scales (>1000 km). Spatial consistency in non-breeding movement was higher within than among individuals, suggesting that site fidelity might emerge from individuals’ memory to return to locations with predictable resource availability. Consistency was also stronger in space than in time, suggesting that it was driven by consistent resource pulses that may vary in time more so than in space. Nonetheless, some individuals displayed more flexibility by adopting a strategy of itinerancy during winter, and the causes of this flexibility are unclear. Specialization for key wintering areas can indicate vulnerability to environmental perturbations, with winter survival and carry-over effects arising from winter conditions as potential drivers of population dynamics |
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330 |
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0171-8630, 1616-1599 |
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yes |
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Serial |
7988 |
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Author |
Afsaneh Mohammadzaheri, Karin Sigloch, Kasra Hosseini, Mitchell G. Mihalynuk |
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Title |
Subducted Lithosphere Under South America From Multifrequency P Wave Tomography |
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Journal |
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Year |
2021 |
Publication |
Journal of Geophysical Research: Solid Earth |
Abbreviated Journal |
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Volume |
126 |
Issue |
6 |
Pages |
e2020JB020704 |
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Keywords |
Andes intra-arc intra-oceanic subduction seismic tomography South America structure of the mantel |
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Programme |
133 |
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ISSN |
2169-9356 |
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yes |
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7991 |
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Author |
L A Ermert, K Sager, T Nissen-Meyer, A Fichtner |
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Title |
Multifrequency inversion of global ambient seismic sources |
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Journal |
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Year |
2021 |
Publication |
Geophysical Journal International |
Abbreviated Journal |
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Volume |
225 |
Issue |
3 |
Pages |
1616-1623 |
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133 |
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0956-540X |
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yes |
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7992 |
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