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4. Paleoflora y Paleovegetación Ibérica III: Holoceno

Author

Carrión, José, Lopez-Saez, Ja, Casas-Gallego, M, Gonzalez-Samperiz, P, Badal, E, Perez-Diaz, S, Carrion-Marco, Y, Jimenez-Moreno, G, Lopez-Merino, L, Burjachs, F, Abel-Schaad, D, Fernandez, S, Morales-Molino, C, Alba Sanchez, F, Peña-Chocarro, L, Barron, E, Postigo-Mijarra, Jm, Gil-Garcia, Mj, Rubiales, Jm, Vidal-Matutano, P, Arambarri, J, Ramos-Roman, Mj, Camuera, J, Magri, D, Revelles, J, Altolaguirre, Y, Ruiz-Zapata, B, Luelmo, R, Uzquiano, P, Allue, E, Anderson, S, Dupre, M, Gil-Romera, G, Pique, R, Garcia-Anton, M, Amoros, G, Yll, R, Perez-Jorda, G, Scott, L, Figueiral, I, Rodriguez-Ariza, Mo, Morla-Jauristi, C, Garcia-Amorena, I, Montoya, E, Val Peon, C, Ejarque, A, Riera, S, Peñalba, C, Fierro, E, Exposito, I, Perez-Obiol, R, Vieira, M, Gomez-Manzaneque, F, Maldonado, J, Leunda, M, Franco, F, Albert, Rm, Diez, Mj, Marin-Arroyo, Ab, Manzano, S, Dirita, F, Andrade, A, Parra, I, Zapata, L, Perez, A, Grau, E, Alcolea, M, Mesa-Fernandez, Jm, Miras, Y, Ruiz-Alonso, M, Genova, M, Garcia-Alvarez, S, Moreno, E, Olmedo Cobo, Ja, Gomez Zotano, J, Pardo Martinez, R, Mas, B, Monteiro, P, Antolin, F, Obea, L, Martin-Seijo, M, Alonso, N, Amoros, A, Fernandez-Diaz, M, Reyes, Pp, Sanchez-Giner, V, Gomez-Rodriguez, M, Rull, V, Vegas-Villarrubia, T, Lopez-Bulto, O, Bianco, S, Trapote, Mc, Picornell-Gelabert, L, Sureda, P, BRISSET, Elodie, Servera Vives, G, Girona, A, Celant, A., Munuera, M, Ochando, J, Brisset, E, Universidad de Murcia, Institut méditerranéen de biodiversité et d'écologie marine et continentale (IMBE), Avignon Université (AU)-Aix Marseille Université (AMU)-Institut de recherche pour le développement [IRD] : UMR237-Centre National de la Recherche Scientifique (CNRS), and Ministerio de Ciencia e Innovación y Fundación Séneca

Subjects
Holocene, [SDE]Environmental Sciences, Paleoflora, Holoceno, Iberia Peninsula
Abstract

International audience

Published
2022

5. Silk Roads ', a highway of migrations in Eurasia. New prospects from bioarcheology and paleoecology

Author

Mashkour, M., Brisset, E., Rhone-Quer, C.., Archéozoologie, archéobotanique : sociétés, pratiques et environnements (AASPE), Muséum national d'Histoire naturelle (MNHN)-Centre National de la Recherche Scientifique (CNRS), Institut méditerranéen de biodiversité et d'écologie marine et continentale (IMBE), Avignon Université (AU)-Aix Marseille Université (AMU)-Institut de recherche pour le développement [IRD] : UMR237-Centre National de la Recherche Scientifique (CNRS), and INEE- CNRS

Subjects
[SHS.ARCHEO]Humanities and Social Sciences/Archaeology and Prehistory, [SDE.MCG]Environmental Sciences/Global Changes, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, [SHS.HIST]Humanities and Social Sciences/History
Abstract

Silk Roads connected China, Far East, Middle East and Europe during several millennia. Besides goods and material, people, animal and plants were constantly moving along a large geographic space that is Eurasia. This information can be found in European, Arab, Persian and Chinese historical sources as well as archaeological investigations. In fact, bioarcheological and paleoecological studies in Central Asia (including archaeozoology, archaeobotany, paleogenetics) published during the last decades have refined our understanding about the trajectories of diffusion of human communities along with several botanical and faunal taxa (including parasites, fruits, domestic pigs, chicken, camels and horses) and how these have impacted the peopling of Central Asia as well as its economies and landscapes. These “biological” mobilities and connectivity in Eurasia together with the spread of technologies and know-hows are partly at the origin of the emergence of the globalization. Climate change (particularly during the Holocene), on varying time scales, and the various phases of aridification or, on the contrary, humidification of Central Asia, are also at the heart of studies that attempt to measure the impact on human and non-human migrations and on interactions between nomads and sedentary people (sharing and conflict over water resources; development of new agricultural and livestock practices, etc.). Furthermore, studies focus on the modalities of diffusion of migratory movements, within crossroads zones (oases) or along land and river routes. In-turn, the development of continental-scale "biological" mobilities have also risen new ecological challenges and risks for territories (erosion of the biodiversity, overuse of water, desertification, etc.) and communities (e.g. traditional knowledge losses) at the local scale.https://prospectives21.sciencesconf.org/browse/session?sessionid=63851

Published
2022

6. Reconstructing two millennia of copper and silver metallurgy in the Lake Titicaca region (Bolivia/Peru) using trace metals and lead isotopic composition

Author

Guédron, Stéphane, Tolu, Julie, Delaere, Christophe, Sabatier, Pierre Célestin, Barre, J., Heredia, Carlos, Brisset, E., Campillo, Sylvain, Bindler, Richard, Fritz, S.C., Baker, P.A., Amouroux, David, Guédron, Stéphane, Tolu, Julie, Delaere, Christophe, Sabatier, Pierre Célestin, Barre, J., Heredia, Carlos, Brisset, E., Campillo, Sylvain, Bindler, Richard, Fritz, S.C., Baker, P.A., and Amouroux, David

Abstract

Copper, silver, and gold exploitation has been a foundation of economic and socio-cultural development of Andean societies, at least for the last three millennia. The main centers of pre-colonial metallurgy are well-known from archeological artifacts, but temporal gaps inherent in this record handicap a finer understanding of the modalities of ore exploitation by succeeding civilizations. A continuous record over time of trace metals emitted during ore smelting operations make lake sediments excellent candidates to fill those gaps. Two millennia of metallurgy were reconstructed from atmospherically derived metals together with lead (Pb) isotope ratios in two dated sediment cores from Lake Titicaca. The first evidence for metallurgy is found during the apogee of the Tiwanaku state (AD 800–1150), with a higher copper (Cu) accumulation that can be attributed to the smelting of local Cu ores, based on Pb isotopic fingerprinting. During the Late Intermediate Period (AD 1150–1450), recorded peaks in metal deposition that persisted for ∼ twenty years show that mining activities were intensive but discontinuous. Pb isotope ratios suggest diversified extractive activities, mainly located in the southern part of the central Altiplano. Finally, the most intense mining epoch began during the Inca Empire (ca. AD 1500) and lasted until the end of the Colonial Period (AD 1830), with unprecedented metal deposition over this interval. Pb isotope fingerprinting shows that mining operations occurred mainly in the Lake Titicaca and Potosi areas and were responsible for metal emissions recorded in the entire Altiplano, as evidenced by other studies., SCOPUS: ar.j, info:eu-repo/semantics/published

Published
2021

7. Late Holocene volcanic and anthropogenic mercury deposition in the western Central Andes (Lake Chungará, Chile)

Author

Guedron, S., Tolu, Julie, Brisset, E., Sabatier, P., Perrot, V., Bouchet, S., Develle, A. L., Bindler, Richard, Cossa, D., Fritz, S. C., Baker, P. A., Guedron, S., Tolu, Julie, Brisset, E., Sabatier, P., Perrot, V., Bouchet, S., Develle, A. L., Bindler, Richard, Cossa, D., Fritz, S. C., and Baker, P. A.

Abstract

Volcanismis one of the major natural processes emitting mercury (Hg) to the atmosphere, representing a significant component of the global Hg budget. The importance of volcanic eruptions for local-scale Hg deposition was investigated using analyses of Hg, inorganic elemental tracers, and organic biomarkers in a sediment sequence from Lake Chungara (4520 m a.s.l.). Environmental change and Hg deposition in the immediate vicinity of the Parinacota volcano were reconstructed over the last 2700 years, encompassing the pre-anthropogenic and anthropogenic periods. Twenty eruptions delivering large amounts of Hg (1 to 457 mu g Hg m(-2) yr(-1) deposited at the timescale of the event) were locally recorded. Peaks of Hg concentration recorded after most of the eruptions were attributed to a decrease in sedimentation rate together with the rapid re-oxidation of gaseous elemental Hg and deposition with fine particles and incorporation into lake primary producers. Over the study period, the contribution of volcanic emissions has been estimated as 32% of the total Hg input to the lake. Sharp depletions in primary production occurred at each eruption, likely resulting from massive volcaniclastic inputs and changes in the lake-water physico-chemistry. Excluding the volcanic deposition periods, Hg accumulation rates rose from natural background values (1.9 +/- 0.5 mu g m(-2) yr(-1)) by a factor of 2.3 during the pre-colonial mining period (1400-900 yr cal. BP), and by a factor of 6 and 7.6, respectively, during the Hispanic colonial epoch (400-150 yr cal. BP) and the industrial era (similar to 140 yr cal. BP to present). Altogether, the dataset indicates that lake primary production has been the main, but not limiting, carrier for Hg to the sediment. Volcanic activity and climate change are only secondary drivers of local Hg deposition relative to the magnitude of regional and global anthropogenic emissions.

Published
2019
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9. Late Holocene volcanic and anthropogenic mercury deposition in the western Central Andes (Lake Chungará, Chile)

Author

Guédron, S, Tolu, J., Brisset, E, Sabatier, Pierre, Develle, Anne-Lise, Bouchet, S, Blinder, Remi, Domic, A I, Fritz, S. C., Baker, P.A., Institut des sciences analytiques et de physico-chimie pour l'environnement et les materiaux (IPREM), Université de Pau et des Pays de l'Adour (UPPA)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Environnements, Dynamiques et Territoires de la Montagne (EDYTEM), Centre National de la Recherche Scientifique (CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry]), and Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)

Subjects
[SDE.IE]Environmental Sciences/Environmental Engineering, [SDE.MCG]Environmental Sciences/Global Changes, [SHS.GEO]Humanities and Social Sciences/Geography, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, Mercury Paleolimnology Holocene Anthropogenic activities and volcanism Organic biomarkers, [SDE.ES]Environmental Sciences/Environmental and Society
Abstract

International audience; Volcanism is one of the major natural processes emitting mercury (Hg) to the atmosphere, representing a significant component of the global Hg budget. The importance of volcanic eruptions for local-scale Hg deposition was investigated using analyses of Hg, inorganic elemental tracers, and organic biomarkers in a sediment sequence from Lake Chungará (4520 m a.s.l.). Environmental change and Hg deposition in the immediate vicinity of the Parinacota volcano were reconstructed over the last 2700 years, encompassing the pre-anthropogenic and anthropogenic periods. Twenty eruptions delivering large amounts of Hg (1 to 457 μg Hg m−2 yr−1 deposited at the timescale of the event) were locally recorded. Peaks of Hg concentration recorded after most of the eruptions were attributed to a decrease in sedimentation rate together with the rapid re-oxidation of gaseous elemental Hg and deposition with fine particles and incorporation into lake primary producers. Over the study period, the contribution of volcanic emissions has been estimated as 32% of the total Hg input to the lake. Sharp depletions in primary production occurred at each eruption, likely resulting from massive volcaniclastic inputs and changes in the lake-water physico-chemistry. Excluding the volcanic deposition periods, Hg accumulation rates rose from natural background values (1.9 ± 0.5 μg m−2 yr−1) by a factor of 2.3 during the pre-colonial mining period (1400–900 yr cal. BP), and by a factor of 6 and 7.6, respectively, during the Hispanic colonial epoch (400–150 yr cal. BP) and the industrial era (~140 yr cal. BP to present). Altogether, the dataset indicates that lake primary production has been the main, but not limiting, carrier for Hg to the sediment. Volcanic activity and climate change are only secondary drivers of local Hg deposition relative to the magnitude of regional and global anthropogenic emissions.

Published
2017

10. Histoire des sols et histoires des hommes dans les Alpes : utilisation d’empreintes pédologiques dans les archives naturelles

Author

Poulenard, Jérôme, Arnaud, Fabien, Perrette, Yves, Sabatier, Pierre, Couchoud, Isabelle, Rey, Pierre-Jérôme, FICETOLA GENTILE, Francesco, David, Fernand, Jacob, Jérémy, Drysdale, Russell, Carcaillet, C., Mourier, Brice, Giguet-Covex, Charline, Brisset, E., Quiers, Marine, Bajard, Manon, Environnements, Dynamiques et Territoires de la Montagne (EDYTEM), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut des Sciences de la Terre d'Orléans - UMR7327 (ISTO), Bureau de Recherches Géologiques et Minières (BRGM) (BRGM)-Observatoire des Sciences de l'Univers en région Centre (OSUC), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS), Centre de Bio-Archéologie et d'Ecologie (CBAE), Université Montpellier 2 - Sciences et Techniques (UM2)-École pratique des hautes études (EPHE)-Centre National de la Recherche Scientifique (CNRS), Centre Alpin de Recherche sur les Réseaux Trophiques et Ecosystèmes Limniques (CARRTEL), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut National de la Recherche Agronomique (INRA), MEMSOL, Académie d’Agriculture de France, Centre National de la Recherche Scientifique (CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry]), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS), École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL), Institut National de la Recherche Agronomique (INRA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry]), Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers en région Centre (OSUC), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Bureau de Recherches Géologiques et Minières (BRGM) (BRGM), and Referent HAL Edytem, Christine Maury

Subjects
[SDE.BE] Environmental Sciences/Biodiversity and Ecology, [SDE.MCG] Environmental Sciences/Global Changes, [SDE.IE]Environmental Sciences/Environmental Engineering, [SHS.GEO] Humanities and Social Sciences/Geography, [SDE.MCG]Environmental Sciences/Global Changes, [SDE.IE] Environmental Sciences/Environmental Engineering, [SDE.ES] Environmental Sciences/Environmental and Society, [SHS.GEO]Humanities and Social Sciences/Geography, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, [SDE.ES]Environmental Sciences/Environmental and Society, ComputingMilieux_MISCELLANEOUS
Abstract

National audience

Published
2015

13. A multidisciplinary investigation of a holocene lake sediment sequence in the Southern French Alps at Lake Petit (Mercantour, 2200 m a.s.l., France): History of a disturbed geosystem,Approche multidisciplinaire d'une séquence lacustre holocène dans les Alpes du Sud au Lac Petit (Mercantour, alt. 2200 m, France): Histoire d'un géosystème dégradé

Author

Brisset, E., Guiter, F., Miramont, C., Claire Delhon, Arnaud, F., Disnar, J. -R, Poulenard, J., Anthony, E., Meunier, J. -D, Wilhelm, B., and Pailles, C.

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