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2021 |
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Communications Earth & Environment |
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2 |
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1 |
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1-8 |
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Physical oceanography |
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688 |
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2662-4435 |
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yes |
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8387 |
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2021 |
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Annales Geophysicae |
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Volume |
39 |
Issue |
1 |
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189-237 |
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312 |
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0992-7689 |
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yes |
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7951 |
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Title |
Long-term tracking of an Arctic-breeding seabird indicates high fidelity to pelagic wintering areas |
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Year |
2021 |
Publication |
Marine Ecology Progress Series |
Abbreviated Journal |
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Volume |
676 |
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Pages |
205-218 |
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Keywords |
Biologging Global Location Sensors GLS Individual consistency Migration Nearest neighbor distance Repeatability Spatial distribution |
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330 |
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0171-8630, 1616-1599 |
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yes |
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8607 |
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Title |
Long-term tracking of an Arctic-breeding seabird indicates high fidelity for pelagic wintering areas |
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Year |
2021 |
Publication |
Marine Ecology Progress Series |
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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 |
Von Beckerath, X., Eitzinger, B., Sittler, B., Gilg, O., Yannic, G., Klein, A.-M., Benadi, G. |
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Title |
Long-term monitoring reveals topographical features and vegetation explain winter habitat use of an Arctic rodent |
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Peer-reviewed symposium |
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Year |
2021 |
Publication |
Annual meeting of the icelandic ecological society. nordic society oikos, reykjavik, iceland, 16-17 april 2021 |
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1036 |
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yes |
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Serial |
8450 |
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Title |
Location of studies and evidence of effects of herbivory on Arctic vegetation: a systematic map |
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Year |
2021 |
Publication |
Environmental Evidence |
Abbreviated Journal |
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Volume |
10 |
Issue |
1 |
Pages |
25 |
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1036 |
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ISSN |
2047-2382 |
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yes |
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Serial |
8386 |
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Book |
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2021 |
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Pages |
232 pages |
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388 |
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978-2-330-15652-7 |
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yes |
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Serial |
8448 |
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Author |
Lavrillier A. |
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Title |
Le pas léger sur la Terre des peuples des neiges |
Type |
Book |
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Year |
2021 |
Publication |
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Abbreviated Journal |
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80-81 |
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1127 |
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978-2368041192 |
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yes |
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Call Number |
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Serial |
8381 |
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Author |
F. Thibon, L. Weppe, N. Vigier, C. Churlaud, T. Lacoue-Labarthe, M. Metian, Y. Cherel, P. Bustamante |
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Title |
Large-scale survey of lithium concentrations in marine organisms |
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Journal |
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Year |
2021 |
Publication |
Science of The Total Environment |
Abbreviated Journal |
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Volume |
751 |
Issue |
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Pages |
141453 |
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Keywords |
Bio-reduction Bioaccumulation Biogeography Ecotoxicology Multiple correspondence analyses Trophic webs |
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Abstract |
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Programme |
109 |
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ISBN |
0048-9697 |
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yes |
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7944 |
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Title |
Landfast ice: a major driver of reproductive success in a polar seabird |
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Year |
2021 |
Publication |
Biology Letters |
Abbreviated Journal |
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Volume |
17 |
Issue |
6 |
Pages |
20210097 |
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Keywords |
breeding success climate window analysis emperor penguin nonlinear effect sea ice |
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Abstract |
In a fast-changing world, polar ecosystems are threatened by climate variability. Understanding the roles of fine-scale processes, and linear and nonlinear effects of climate factors on the demography of polar species is crucial for anticipating the future state of these fragile ecosystems. While the effects of sea ice on polar marine top predators are increasingly being studied, little is known about the impacts of landfast ice (LFI) on this species community. Based on a unique 39-year time series of satellite imagery and in situ meteorological conditions and on the world's longest dataset of emperor penguin (Aptenodytes forsteri) breeding parameters, we?studied the effects of fine-scale variability of LFI and weather conditions on?this?species' reproductive success. We found that longer distances to the LFI edge (i.e. foraging areas) negatively affected the overall breeding success but also the fledging success. Climate window analyses suggested that chick mortality was particularly sensitive to LFI variability between August and November. Snowfall in May also affected hatching success. Given the sensitivity of LFI to storms and changes in wind direction, important future repercussions on the breeding habitat of emperor penguins are to be expected in the context of climate change. |
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yes |
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8040 |
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