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Author |
Khaoula Ben Moussa |
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Title |
Etude des variations saisonnières, diurnes et des tendancesà long terme des composés atmosphériques (CO2, CH4, CO, O3 et le radon 222) à l'île Amsterdam (Océan Austral)
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Master 2 |
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2017 |
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416 |
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yes |
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6972 |
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Author |
Lavrillier, A., Gabyshev S. |
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Title |
An Arctic Indigenous Knowledge System of Landscape, Climate, and Humans interactions. Evenki Reindeer Herders and Hunters |
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Book |
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Year |
2017 |
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Studies in social and cultural anthropology, kulturstiftung sibirien, fürstenberg, germany |
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467 |
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Co-written by an anthropologist and a reindeer herder (BRISK project co-researcher) on the basis of their field materials, this book offers documentation and analysis of complex traditional environmental knowledge. After discussing the methodology of the Evenki community-based transdisciplinary observatory for monitoring climate and environmental changes with herders (2012-2016), the book reveals some of the results of this co-production. It presents the emic typologies and concepts the Evenki use for understanding norms and anomalies, observing and predicting changes, and adaptating. Conceived together with the herders, the book's structure combines analytical texts (traditional in anthropology) and other forms of presentation, such as abstract diagrams with explanations in Evenki, Russian, and English, diagrams on pictures, and encyclopaedic entries with pictures and trilingual explanations from the herders. |
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1127 |
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9783942883313 |
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yes |
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6973 |
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Alexandra Lavrillier, Semen Gabyshev, Maxence Rojo |
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Title |
The Sable for Evenk Reindeer Herders in Southeastern Siberia: Interplaying Drivers of Changes on Biodiversity and Ecosystem Services: Climate Change, Worldwide Market Econonomy and Extractive Industries |
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Book |
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Year |
2016 |
Publication |
Unesco |
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Volume |
9 |
Issue |
Knowledges of Nature |
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111-128 |
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Abstract |
The transdisciplinary publication introduces the Evenki and their perception of global climate and environmental changes. Then it presents a case study of one of the most important ecosystem services for the Evenki nomads (sable hunting) and how it is threatened by combined drivers of change. It studies in detail changes in the snow and vegetal covers related to sable, analyses the dependency of the nomads on this economic activity, and reflects on how national and international drivers of change influence this trade and, consequently, the well-being of the Evenki. Finally, it concludes by discussing the interplaying drivers of change |
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1127 |
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9789231002106 |
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yes |
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6974 |
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Author |
Maxence Rojo, Rolanda M. Chondan, Chechek S. Chondan, Alexandra Lavrillier |
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Title |
Adaptation des rites « traditionnels » chez les Touvas de Kyzyl de la période soviétique à l’urbanisation |
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Journal |
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2016 |
Publication |
Études mongoles et sibériennes, centrasiatiques et tibétaines |
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47 |
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Fondé sur une enquête de terrain dans la région de Kyzyl de la République de Touva (Sibérie méridionale), cet article aborde la question de l’adaptation des pratiques cultuelles (originellement pastorales) dans la sphère privée en milieu urbain. En effet, certains rites et croyances ancestraux sont toujours en vigueur à Touva malgré la sédentarisation des populations, le changement rapide des modes de vie et l’interdiction de ces pratiques pendant la période soviétique. Très ancrés dans la culture touva, les rites et croyances liés au feu et au lait ainsi que les interdits concernant les enfants en bas âge sont encore très présents dans la vie quotidienne touva, et ce même en ville., Based on a field survey in the region of Kyzyl, the capital of the Tuva Republic (south Siberia), this article addresses the issue of the adaptation of some domestic cultural practices (originally pastoral) in urban areas. Indeed, some ancestral rites and beliefs are still in force in Tuva despite the settlement of populations, rapid change in lifestyle and the prohibition of such practices during the Soviet period. These domestic ritual practices have adapted to the daily life of Tuva, even urban. The socio-economic and cultural development is reflected in the choices made by the younger generation, between practices to follow and to abandon. |
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1127 |
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0766-5075 |
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0766-5075 |
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yes |
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6975 |
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Author |
Alexandra Lavrillier |
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Title |
Climate change among nomadic and settled Tungus of Siberia: continuity and changes in economic and ritual relationships with the natural environment |
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Journal |
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Year |
2013 |
Publication |
Polar Record |
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Volume |
49 |
Issue |
3 |
Pages |
260-271 |
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Living in close relationship with the Siberian environment, for several decades the Tungus (Evenk and Even peoples) have been noticing numerous changes in climate, flora and fauna. Based on fieldwork among reindeer herders, hunters and fishermen in Yakutia, the Amur region and Kamchatka, this paper explores how climate change is perceived, and how it causes economic, social and ritual changes. It questions the modifications of the economic and religious human-environment relationships through various aspects. It analyses the indigenous perception of a link between the environment and identity and the indigenous notion of adaptation and vulnerability. It also compares their adaptive strategies that either use old techniques, or trigger mutations. In this context, the notion of reciprocity seems to be disappearing and a new notion of time-space in managing the environment is appearing. This paper analyses the religious changes, such as the creation of new rituals and millenarian narratives or the rebirth of shamanistic legends. |
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1127 |
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0032-2474, 1475-3057 |
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0032-2474, 1475-3057 |
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yes |
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6976 |
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Author |
Giovanni Macelloni, Marion Leduc-Leballeur, Francesco Montomoli, Marco Brogioni, Catherine Ritz, Ghislain Picard |
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On the retrieval of internal temperature of Antarctica Ice Sheet by using SMOS observations |
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Journal |
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Year |
2019 |
Publication |
Remote Sensing of Environment |
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233 |
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Pages |
111405 |
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Cryosphere L band Snow/ice microwave emission model |
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Internal temperature is an essential parameter for understanding ice sheet dynamics. Glaciological models provide estimations of temperature profiles over Antarctica and few boreholes are also available, but, at present, no measurement exists at the scale of the whole continent. The analysis of passive L-band observations from the Soil Moisture and Ocean Salinity (SMOS) satellite shows that, thanks to the high penetration depth (i.e. up to 1500 m), it is possible to infer information on in depth glaciological properties of the ice sheet including temperature. In this study, the temperature profile is retrieved from SMOS observations using jointly glaciological and emission models. The developed methodology is valid in the inner part of Antarctica where the ice sheet is almost stable (i.e. its velocity is limited to 10 m yr−1). This analysis points out that in several cases, differences are observed between retrieved temperature profiles and those predicted by glaciological models. In particular, some geophysical parameters, namely the geothermal heat flux and the mean annual accumulation, need to be modified with respect to their prior values in order to simulate SMOS brightness temperatures. Results also clearly show that the reliability of the retrieved profile in depth decreases with increasing ice thickness due to the limited penetration of microwaves in the ice. The obtained results prove the capability of L band (1.4 GHz) passive microwave sensors for investigating the internal temperature of the ice-sheet. |
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1110 |
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0034-4257 |
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0034-4257 |
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yes |
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6977 |
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Author |
Perroud, Lucie |
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Title |
Etude des stratégies de soins parentaux des limicoles en région arctique: le cas du bécasseau sanderling (Calidris alba) |
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Master 2 |
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Year |
2014 |
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1036 |
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yes |
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6978 |
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Author |
Richard, Yolan |
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Détermination du statut parasitaire de trois populations de lemming à collier en relation avec leurs densités |
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Master 2 |
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2012 |
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1036 |
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yes |
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6979 |
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Author |
Pierre Blévin, Sabrina Tartu, Hugh I. Ellis, Olivier Chastel, Paco Bustamante, Charline Parenteau, Dorte Herzke, Frédéric Angelier, Geir W. Gabrielsen |
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Title |
Contaminants and energy expenditure in an Arctic seabird: Organochlorine pesticides and perfluoroalkyl substances are associated with metabolic rate in a contrasted manner |
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Journal |
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Year |
2017 |
Publication |
Environmental Research |
Abbreviated Journal |
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Volume |
157 |
Issue |
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Pages |
118-126 |
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Keywords |
Black-legged kittiwake BMR Mercury Organic contaminants Thyroid hormones |
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Abstract |
Basal metabolic rate (BMR), the minimal energetic cost of living in endotherms, is known to be influenced by thyroid hormones (THs) which are known to stimulate in vitro oxygen consumption of tissues in birds and mammals. Several environmental contaminants may act on energy expenditure through their thyroid hormone-disrupting properties. However, the effect of contaminants on BMR is still poorly documented for wildlife. Here, we investigated the relationships between three groups of contaminants (organochlorines (OCs), perfluoroalkyl substances (PFASs), and mercury) with metabolic rate (MR), considered here as a proxy of BMR and also with circulating total THs (thyroxine (TT4) and triiodothyronine (TT3)) in Arctic breeding adult black-legged kittiwakes (Rissa tridactyla) from Svalbard, during the chick rearing period. Our results indicate a negative relationship between the sum of all detected chlordanes (∑CHLs) and MR in both sexes whereas perfluorotridecanoate (PFTrA) and MR were positively related in females only. MR was not associated with mercury. Additionally, levels of TT3 were negatively related to ∑CHLs but not to PFTrA. The findings from the present study indicate that some OCs (in both sexes) and some PFASs (only in females) could disrupt fine adjustment of BMR during reproduction in adult kittiwakes. Importantly, highly lipophilic OCs and highly proteinophilic PFASs appear, at least in females, to have the ability to disrupt the metabolic rate in an opposite way. Therefore, our study highlights the need for ecotoxicological studies to include a large variety of contaminants which can act in an antagonistic manner. |
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330 |
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ISSN |
0013-9351 |
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0013-9351 |
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yes |
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6980 |
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Author |
Pierre Blévin, Frédéric Angelier, Sabrina Tartu, Paco Bustamante, Dorte Herzke, Børge Moe, Claus Bech, Geir Wing Gabrielsen, Jan Ove Bustnes, Olivier Chastel |
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Title |
Perfluorinated substances and telomeres in an Arctic seabird: Cross-sectional and longitudinal approaches |
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Journal |
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Year |
2017 |
Publication |
Environmental Pollution |
Abbreviated Journal |
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Volume |
230 |
Issue |
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Pages |
360-367 |
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Keywords |
Black-legged kittiwake DNA Organic contaminants PFASs Svalbard |
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Abstract |
Telomeres are non-coding DNA repeats located at the termini of eukaryotic chromosomes, regulated by dynamic processes balancing shortening and maintenance. Despite a mechanism to slow-down telomere shortening, cell division leads to progressive attrition of chromosomes, leading to the onset of cellular senescence or apoptosis. However, telomere restoration based on telomerase activity is the primary mechanism for telomere maintenance. Telomere length is associated to health and survival and can be impacted by a broad panel of environmental factors. However, the effect of contaminants on telomeres is poorly known for living organisms. The aim of this study was to investigate relationships between some poly- and perfluoroalkyl substances (PFASs), body condition and telomere length by using both a cross-sectional and longitudinal approach in adult breeding Black-legged kittiwakes (Rissa tridactyla) from Svalbard. First, we examined the associations between absolute telomere length and PFASs contamination in a given year (cross-sectional approach). Second, we investigated the relationships between telomere dynamics and PFASs contamination within a two years’ time frame (longitudinal approach). Our results did not show any significant relationships of PFASs and body condition with absolute telomere length in a given year. Surprisingly, we found a positive and significant relationship between PFASs and telomere dynamics in both sexes with elongated telomere in birds bearing the highest concentrations of PFASs. Our study underlines (i) the need to investigate PFAS effects on telomere dynamics with a longitudinal approach and (ii) a potential positive effect of these contaminants on telomere length, with the most contaminated birds showing the slowest rate of telomere shortening or even displaying elongated ones. Our study is the first to report a relationship between PFASs and telomere length in free-living vertebrates. A possible underlying mechanism and other potential confounding factors are discussed. |
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330 |
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0269-7491 |
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0269-7491 |
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yes |
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Call Number |
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6981 |
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