| Records |
| Author |
Von Beckerath, X., Eitzinger, B., Sittler, B., Gilg, O., Yannic, G., Klein, A.-M., Benadi, G. |
| Title |
Long-term monitoring reveals topographical features and vegetation explain winter habitat use of an Arctic rodent |
Type |
Peer-reviewed symposium |
| Year |
2021 |
Publication |
Annual meeting of the icelandic ecological society. nordic society oikos, reykjavik, iceland, 16-17 april 2021 |
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| Programme |
1036 |
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Approved |
yes |
| Call Number |
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Serial  |
8450 |
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| Author |
Garcin N, Viblanc VA, Schull Q, Michaux D, Reichert S, Robin JP, Bize P, Stier A |
| Title |
Naturally equipped to resist stress |
Type |
Peer-reviewed symposium |
| Year |
2021 |
Publication |
Society for experimental biology annual conference. poster. actes du colloque |
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| Abstract |
Stress exposure and stress response are likely to vary according to life history strategies and environmental contexts. Although the acute release of glucocorticoids in response to unpredictable environmental conditions may lead to adaptative behavioral and physiological responses, exposure to high glucocorticoid levels on the long-term usually leads to deleterious cascading effects on animal’s physiology, behavior and fitness. Yet, some species may be more adapted to cope with challenging events than others and might naturally possess protective mechanisms limiting the adverse consequences of prolonged exposure to high glucocorticoid levels. King penguin chicks being naturally exposed to harsh weather, prolonged fasting and constant predation pressure, we investigated the life-history, behavioral and physiological consequences of an experimental increase in corticosterone levels on the medium and long-term (after removing implants), predicting to find relatively few costs associated with such treatment. Although non-significant, CORT-treated chicks were slightly larger, fledged slightly earlier and had slightly higher survival chances than placebo chicks. CORT-treated chicks were significantly more aggressive and displayed lower corticosterone response to acute stress on the medium term, while their physical activity and whole-body energetics were not significantly affected. While mitochondrial density was not significantly affected by the CORT treatment, CORT-treated chicks had lower oxidative stress levels on the long-term than placebo ones, and no significant impact was observed on telomere shortening. Finally, the expression of several genes (i.e. CORT receptor, HSP90, mTOR, NRF2 and TERF2) was up regulated in treated chicks, which could potentially mediate the apparent ‘stress’ resistance we observed at the phenotypic level. |
| Programme |
119 |
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Approved |
yes |
| Call Number |
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Serial |
8454 |
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| Author |
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| Title |
Seabird population changes following mammal eradication at oceanic Saint-Paul Island, Indian Ocean |
Type |
Journal |
| Year |
2021 |
Publication |
Journal for Nature Conservation |
Abbreviated Journal |
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| Volume |
63 |
Issue |
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Pages |
126049 |
| Keywords |
Island restoration Petrels Population growth rate Rats Shearwaters Terns |
| Abstract |
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109 |
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| ISSN |
1617-1381 |
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Approved |
yes |
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Serial |
8459 |
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| Author |
Samuel Veilleux, Armelle Decaulne, Najat Bhiry |
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Type |
Journal |
| Year |
2021 |
Publication |
Arctic Science |
Abbreviated Journal |
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| Volume |
7 |
Issue |
4 |
Pages |
798-812 |
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1148 |
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Approved |
yes |
| Call Number |
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Serial |
8461 |
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| Author |
Armelle Decaulne, Najat Bhiry, Fabienne Joliet, Laine Chanteloup, Thora Martina Herrmann, Bruno Persat, Daniel Germain, Orsane Rousset |
| Title |
TAKUJUQ: Where Art and Science meet in Nunavik |
Type |
Journal |
| Year |
2021 |
Publication |
Tagralik Magazine |
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Issue |
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Pages |
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| Abstract |
The TUKISIK (Tukisigasuaqatigit: Understanding together) is a scientific program, ongoing since 2014, concerning human-environment interactions, reinforcing links between scientists and several communities. |
| Programme |
1148 |
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Approved |
yes |
| Call Number |
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Serial |
8471 |
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| Title |
Terrestrial macro-arthropods of the sub-Antarctic islands of Possession (Crozet Archipelago) and Kerguelen: inventory of native and non-native species |
Type |
Journal |
| Year |
2021 |
Publication |
Zoosystema |
Abbreviated Journal |
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| Volume |
43 |
Issue |
22 |
Pages |
549-561 |
| Keywords |
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| Abstract |
The sub-Antarctic islands of the Southern Ocean harbor biogeographically peculiar biotas which are under threat from climate change, biological invasions and their interactions. Understanding both the indigenous and changing non-indigenous components of these islands is essential for the conservation and management of their biotas. Based on several years of systematic sampling, we present an updated list of terrestrial, free-living macro-invertebrates (insects and spiders) present on the islands of Possession (Crozet Archipelago) and Kerguelen. Ninety-four species were recorded in total on both islands. Forty-one are strictly endemic to one of the two islands, 16 are endemic to the South Indian Ocean Province, and only three were recorded on other sub-Antarctic islands. Beetles and more particularly weevils are the most characteristic group of the fauna of these islands: they include 35 species of which 89% are native and 66% are endemic. One third of the species (30 of 94) are non-indigenous species now naturalized. We discuss these results in terms of biogeography, ecological disharmony and impact of biological invasions. |
| Programme |
136 |
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| ISSN |
1280-9551, 1638-9387 |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
8472 |
| Permanent link to this record |
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| Author |
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| Title |
The early life of king penguins: ontogeny of dive capacity and foraging behaviour in an expert diver |
Type |
Journal |
| Year |
2021 |
Publication |
The Journal of Experimental Biology |
Abbreviated Journal |
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| Volume |
224 |
Issue |
12 |
Pages |
jeb242512 |
| Keywords |
Animals Behavior, Animal Bio-logging Diving Feeding Behavior Foraging proficiency Ontogeny Seabirds Spheniscidae Temperature Wiggles |
| Abstract |
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| Programme |
137,394 |
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Thesis |
Bachelor's thesis |
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Edition |
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| ISSN |
1477-9145 |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
8473 |
| Permanent link to this record |
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| Author |
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| Title |
The Ocean's Whistleblower: The Remarkable Life and Work of Daniel Pauly |
Type |
Book |
| Year |
2021 |
Publication |
Greystone books ltd. |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
349p |
| Keywords |
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| Abstract |
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| Programme |
388 |
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Series Issue |
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Edition |
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ISBN |
978-1-77164-754-0 |
Medium |
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Expedition |
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Conference |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
8482 |
| Permanent link to this record |
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| Author |
Viblanc Va, Stier A, Bize P, Schull Q, Criscuolo F, Groscolas R, Robin Jp |
| Title |
The ecophysiology of king penguins: responses to a fluctuating environment |
Type |
Peer-reviewed symposium |
| Year |
2021 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
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| Abstract |
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| Programme |
119 |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
8484 |
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| Author |
Niels M. Schmidt, Olivier Gilg, Jon Aars, Rolf A. Ims |
| Title |
Fat, Furry, Flexible, and Functionally Important: Characteristics of Mammals Living in the Arctic |
Type |
Book |
| Year |
2021 |
Publication |
Arctic Ecology |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
357-384 |
| Keywords |
arctic ecosystems Arctic mammals climate change deglaciation food webs homeotherms low mammal species diversity primary production |
| Abstract |
Mammals constitute a group of vertebrates that share a number of unique characteristics,such as nursing their young with milk, and having hair. The pattern of low mammal species diversity in the Arctic probably reflects a combination of mainly two driving factors: first, being homeotherms, mammals require a substantial amount of energy to sustain the various life processes, and the arctic regions are characterized by a very low availability of energy due to short seasons for primary production. Secondly, the occurrence of arctic mammals today reflects the reinvasion of the mammal species into the Arctic as the ecosystems were re-established following the deglaciation. This chapter discusses the characteristics of the arctic mammals, including their unique adaptations to life, and their role as both consumer and food base in the arctic ecosystems. Climate change in the Arctic may also alter the interactions within food webs. |
| Programme |
1036 |
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ISBN |
978-1-118-84658-2 |
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Approved |
yes |
| Call Number |
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Serial |
8489 |
| Permanent link to this record |
