A. , J. Müller, and J. , Differences in the eutrophication dynamics of Ammersee and Starnberger See (Southern Germany), reflected by the diatom succession in varve-dated sediments, Journal of Paleolimnology, vol.21, issue.4, pp.395-407, 1999.

M. Balter, Archaeologists say the 'Anthropocene' is here -But it began long ago, Science, vol.340, issue.6130, pp.261-262, 2013.

R. W. Battarbee, J. Anderson, N. Jeppesen, and E. , Combining palaeolimnological and limnological approaches in assessing lake ecosystem response to nutrient reduction, Freshwater Biology, vol.50, issue.10, pp.1772-1780, 2005.

R. W. Battarbee, D. Morley, and H. Bennion, A palaeolimnological meta-database for assessing the ecological status of lakes, Journal of Paleolimnology, vol.45, issue.4, pp.405-414, 2011.

R. W. Battarbee, R. Thompson, and J. Catalan, Climate variability and ecosystem dynamics of remote alpine and arctic lakes: The MOLAR project, Journal of Paleolimnology, vol.28, issue.1, pp.1-6, 2002.

C. Beniamino, Le Valdeblore et l'eau des lacs des Millefonts, Patrimoines du Haut Pays, vol.7, pp.78-82, 2006.

M. Beniston, Climatic change in mountain regions: A review of possible impacts, Climatic Change, vol.59, issue.1-2, pp.5-31, 2003.

M. Beniston, Mountain weather and climate: A general overview and a focus on climatic change in the alps, Hydrobiologia, vol.562, issue.1, pp.3-16, 2006.

K. D. Bennett, Textbook of pollen analysis, Journal of Quaternary Science, vol.5, issue.3, pp.254-255, 0328.

K. D. Bennett, Determination of the number of zones in a biostratigraphical sequence, New Phytologist, vol.132, issue.1, pp.155-170, 1996.

H. Bennion and R. Battarbee, The European Union Water Framework Directive: Opportunities for palaeolimnology, Journal of Paleolimnology, vol.38, issue.2, pp.285-295, 2007.

H. Bennion and G. L. Simpson, The use of diatom records to establish reference conditions for UK lakes subject to eutrophication, Journal of Paleolimnology, vol.45, issue.4, pp.469-488, 2011.

H. Bennion, P. G. Appleby, and G. L. Phillips, Reconstructing nutrient histories in the Norfolk Broads, UK: Implications for the role of diatom-total phosphorus transfer functions in shallow lake management, Journal of Paleolimnology, vol.26, issue.2, pp.181-204, 2001.

H. Bennion, R. W. Battarbee, and C. D. Sayer, Defining reference conditions and restoration targets for lake ecosystems using palaeolimnology: A synthesis, Journal of Paleolimnology, vol.45, issue.4, pp.533-544, 2011.

B. E. Berglund, How mankind has shaped European nature, Vegetation History and Archaeobotany, vol.20, issue.1, pp.79-81, 2011.

C. Bigler, O. Heiri, and R. Krskova, Distribution of diatoms, chironomids and cladocera in surface sediments of thirty mountain lakes in south-eastern Switzerland, Aquatic Sciences, vol.68, issue.2, pp.154-171, 2006.

H. H. Birks and H. Birks, Multi-proxy studies in palaeolimnology, Vegetation History and Archaeobotany, vol.15, issue.4, pp.235-251, 2006.

H. Birks and J. M. Line, The use of rarefaction analysis for estimating palynological richness from quaternary pollenanalytical data, The Holocene, vol.2, issue.1, pp.1-10, 1992.

R. K. Booth, S. T. Jackson, and S. L. Forman, A severe centennial-scale drought in midcontinental North America 4200 years ago and apparent global linkages, The Holocene, vol.15, issue.3, pp.321-328, 2005.

E. Brisset, F. Guiter, and C. Miramont, Approche multidisciplinaire d'une séquence lacustre holocène dans les alpes du sud au Lac Petit (Mercantour, alt. 2 200 m, France): Histoire d'un géosystème dégradé. Quaternaire, vol.23, pp.309-319, 2012.

E. Brisset, F. Guiter, and C. Miramont, Lateglacial/Holocene environmental changes in the Mediterranean Alps inferred from lacustrine sediments, Quaternary Science Reviews, vol.110, pp.49-71, 2015.
URL : https://hal.archives-ouvertes.fr/hal-02046338

E. Brisset, C. Miramont, and F. Guiter, Non-reversible geosystem destabilisation at 4200 cal. BP: Sedimentological, geochemical and botanical markers of soil erosion recorded in a Mediterranean alpine lake, The Holocene, vol.23, pp.1863-1874, 2013.
URL : https://hal.archives-ouvertes.fr/hal-00880413

H. Bruneton, M. Provensal, and B. Devillers, Relations entre paléohydrologie et morphogenèse holocènes des petits et moyens bassin-versants en basse Provence et Languedoc oriental. Les fleuves ont une histoire: Paléo-environnement des rivières et des lacs français depuis 15 000 ans, Histoire des rivières et des lacs de Lascaux à nos jours, pp.259-267, 2002.

J. Carstensen, R. J. Telford, and H. Birks, Diatom flickering prior to regime shift, Nature, vol.498, issue.7455, pp.11-12, 2013.

J. Catalan, M. Ventura, and A. Brancelj, Seasonal ecosystem variability in remote mountain lakes: Implications for detecting climatic signals in sediment records, Journal of Paleolimnology, vol.28, issue.1, pp.25-46, 2002.

J. H. Connell, Diversity in tropical rain forests and coral reefs, Science, vol.199, issue.4335, pp.1302-1310, 1978.

C. Corona, J. Edouard, and F. Guibal, Long-term summer (AD751-2008) temperature fluctuation in the French Alps based on tree-ring data, Boreas, vol.40, pp.351-366, 2011.
URL : https://hal.archives-ouvertes.fr/hal-01457751

H. Cremer, M. Melles, and B. Wagner, Holocene climate changes reflected in a diatom succession from Basaltsø, East Greenland, Canadian Journal of Botany, vol.79, issue.6, pp.649-656, 2001.

H. V. Dam, A. Mertens, and J. Sinkeldam, A coded checklist and ecological indicator values of freshwater diatoms from The Netherlands, Netherland Journal of Aquatic Ecology, vol.28, issue.1, pp.117-133, 1994.

J. A. Dearing, Why future earth needs lake sediment studies, Journal of Paleolimnology, vol.49, issue.3, pp.537-545, 2013.

D. Beaulieu and J. , Contribution pollenanalytique à l'histoire tardiglaciaire et Holocène de la végétation des Alpes méri, 1977.

T. Hayashi, Monospecific planktonic diatom assemblages in the Paleo-Kathmandu Lake during the middle Brunhes Chron: Implications for the paradox of the plankton. Palaeogeography, Palaeoclimatology, Palaeoecology, vol.300, issue.1-4, pp.46-58, 2011.

O. Heiri and A. F. Lotter, 9000 years of chironomid assemblage dynamics in an Alpine lake: Long-term trends, sensitivity to disturbance, and resilience of the fauna, Journal of Paleolimnology, vol.30, issue.3, pp.273-289, 2003.

W. Hofmann, The long-term succession of high-altitude cladoceran assemblages: A 9000-year record from Sägistalsee (Swiss Alps), Journal of Paleolimnology, vol.30, issue.3, pp.291-296, 2003.

H. Holzhauser, M. Magny, and H. J. Zumbuühl, Glacier and lake-level variations in west-central Europe over the last 3500 years, The Holocene, vol.15, issue.6, pp.789-801, 2005.

C. C. Huang, J. Pang, and X. Zha, Extraordinary floods related to the climatic event at 4200 a BP on the Qishuihe River, middle reaches of the Yellow River, China. Quaternary Science Reviews, vol.30, issue.3-4, pp.460-468, 2011.

F. Hustedt, Die Diatomeenflora einiger Hochgebirgsseen der Landschaft um Davos in den Schweizer Alpen, Archiv für Hydrobiologie, vol.43, pp.124-197, 1943.

E. A. Ilyashuk, K. A. Koinig, and O. Heiri, Holocene temperature variations at a high-altitude site in the Eastern Alps: A chironomid record from Schwarzsee ob Sölden, Austria. Quaternary Science Reviews, vol.30, issue.1-2, pp.176-191, 2011.

S. Juggins, C2: Software for Ecological and Palaeoecological Data Analysis and Visualisation (User Guide Version 1.5), vol.77, p.pp, 2007.

S. Juggins, Analysis of Quaternary Science Data, 2012.

C. Kamenik, R. Schmidt, and G. Kum, The influence of catchment characteristics on the water chemistry of mountain lakes, Arctic, Antarctic, and Alpine Research, vol.33, pp.404-409, 2001.

J. Komárek and V. Jankovská, Review of the Green Algal Genus Pediastrum: Implication for Pollen-Analytical Research, vol.127, p.pp, 2001.

K. Krammer and H. Lange-bertalot, , 1986.

I. Kurz, C. D. O'reilly, and H. Tunney, Impact of cattle on soil physical properties and nutrient concentrations in over, Ecosystems & Environment, vol.113, issue.1-4, pp.378-390, 2006.

T. E. Laing and J. P. Smol, Factors influencing diatom distributions in circumpolar treeline lakes of Northern Russia, Journal of Phycology, vol.36, issue.6, pp.1035-1048, 2000.

I. Larocque and W. Finsinger, Late-glacial chironomidbased temperature reconstructions for Lago Piccolo di Avigliana in the southwestern Alps (Italy), Palaeogeography, Palaeoclimatology, Palaeoecology, vol.257, issue.1-2, pp.207-223, 2008.
URL : https://hal.archives-ouvertes.fr/hal-01845800

J. Larsen, V. J. Jones, and W. Eide, Climatically driven pH changes in two Norwegian alpine lakes, Journal of Paleolimnology, vol.36, issue.2, pp.175-187, 2006.

G. Likens, C. T. Driscoll, and D. C. Buso, Long-term effects of acid rain: Response and recovery of a forest ecosystem, Science, vol.272, issue.5259, pp.244-246, 1996.

A. F. Lotter and C. Bigler, Do diatoms in the Swiss Alps reflect the length of ice-cover?, Aquatic Sciences, vol.62, issue.2, pp.125-141, 2000.

A. F. Lotter and H. Birks, The Holocene palaeolimnology of Sägistalsee and its environmental history -A synthesis, Journal of Paleolimnology, vol.30, issue.3, pp.333-342, 2003.

A. F. Lotter, H. Birks, and W. Hofmann, Modern diatom, cladocera, chironomid, and chrysophyte cyst assemblages as quantitative indicators for the reconstruction of past environmental conditions in the Alps. I. Climate, Journal of Paleolimnology, vol.18, issue.4, pp.395-420, 1997.

A. F. Lotter, R. Pienitz, and R. Schmidt, Diatoms as indicators of environmental change near Arctic and Alpine treeline, The Diatoms: Applications for the Environmental and Earth Sciences, pp.205-226, 1999.

K. K. Mclauchlan, J. J. Williams, and D. R. Engstrom, Nutrient cycling in the palaeorecord: Fluxes from terrestrial to aquatic ecosystems, The Holocene, vol.23, issue.11, pp.1635-1643, 2013.

M. Magny, F. Arnaud, and Y. Billaud, Lake-level fluctuations at Lake Bourget (eastern France) around 4500-3500 cal. a BP and their palaeoclimatic and archaeological implications, Journal of Quaternary Science, vol.27, issue.5, pp.494-502, 2012.
URL : https://hal.archives-ouvertes.fr/halsde-00757186

M. Magny, S. Joannin, and D. Galop, Holocene palaeohydrological changes in the northern Mediterranean borderlands as reflected by the lake-level record of Lake Ledro, northeastern Italy, Quaternary Research, vol.77, issue.3, pp.382-396, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00669616

M. Magny, B. Vannière, and G. Zanchetta, Possible complexity of the climatic event around 4300-3800 cal, BP in the central and western Mediterranean. The Holocene, vol.19, issue.6, pp.823-833, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00402792

B. Marciniak, Late glacial Fragilaria flora from lake sediments of the Tatra Mts. and the Alps, Proceedings of the ninth international diatom symposium, pp.233-243, 1986.

P. A. Meyers and J. L. Teranes, Tracking Environmental Change Using Lake Sediments, Developments in Paleoenvironmental Research, pp.239-269, 2001.

N. Michelutti, A. P. Wolfe, and J. P. Briner, Climatically controlled chemical and biological development in Arctic lakes, Journal of Geophysical Research, vol.112, issue.G3, p.3002, 2007.

C. Miramont, C. Boutterin, and O. Sivan, Grandes séquences et principales ruptures morphogéniques en Haute Provenceles complexes sédimentaires des petits organismes torrentiels de moyenne Durance, Cahiers de Paléoenvironnement, vol.6, pp.145-154, 2008.

D. Morin and P. Rosenthal, Etude diachronique des vestiges d'exploitation minière et de métallurgie du fer, Mines et métallurgie du fer en Provence et dans les Alpes du Sud, département des Alpes-Maritimes. Commune de Saint-Dalmas, vol.19, p.pp, 2002.

K. Nicolussi, M. Kaufmann, and G. Patzelt, Holocene treeline variability in the Kauner Valley, Central Eastern Alps, indicated by dendrochronological analysis of living trees and subfossil logs, Vegetation History and Archaeobotany, vol.14, issue.3, pp.221-234, 2005.

J. Oksanen, R. Kindt, and P. Legendre, The vegan package. Community ecology package, 2007.

E. Ortu, D. F. Caramiello, and R. , Rôle de l'homme dans l'histoire de la végétation de la vallée Ellero (Alpes maritimes, Italie), Comptes Rendus Biologies, vol.326, issue.7, pp.631-637, 2003.

G. Pagès and . Clouté, Rapport de fouille programmée, 2009.

. Archéologie, Direction Régionale des Affaires culturelle de la Région Provence-Alpes-Cotes d'Azur, vol.42, p.pp

G. Pichard and E. Roucaute, Sept siècles d'histoire hydroclimatique du Rhône d'Orange à la mer, Climat, crues, inondations (Hors-série de la revue Méditerranée), 1300.

. Aix-en-provence, , vol.194

R. Pienitz, J. P. Smol, and H. Birks, Assessment of freshwater diatoms as quantitative indicators of past climatic change in the Yukon and Northwest Territories, Canada. Journal of Paleolimnology, vol.13, issue.1, pp.21-49, 1995.

B. Podritske and K. Gajewski, Diatom community response to multiple scales of Holocene climate variability in a small lake on Victoria Island, Quaternary Science Reviews, vol.26, pp.3179-3196, 2007.

P. Ponel, M. Court-picon, and M. Badura, Holocene history of Lac des Lauzons (2180 m a.s.l.), reconstructed from multiproxy analyses of Coleoptera, plant macroremains and pollen, The Holocene, vol.21, issue.4, pp.565-582, 2011.
URL : https://hal.archives-ouvertes.fr/hal-01968828

R. Psenner and R. Schmidt, Climate-driven pH control of remote alpine lakes and effects of acid deposition, Nature, vol.356, issue.6372, pp.781-783, 1992.

A. Quesada, W. F. Vincent, and E. Kaup, Landscape control of high latitude lakes in a changing climate, Trends in Antarctic Terrestrial and Limnetic Ecosystems, pp.221-252, 2006.

L. Randsalu-wendrup, D. J. Conley, and J. Carstensen, Combining limnology and palaeolimnology to investigate recent regime shifts in a shallow, eutrophic lake, Journal of Paleolimnology, vol.51, issue.3, pp.437-448, 2014.

J. O. Reuss, B. J. Cosby, and R. F. Wright, Chemical processes governing soil and water acidification, Nature, vol.329, issue.6134, pp.27-32, 1987.

D. Righi, F. Terribile, and S. Petit, Pedogenic formation of kaolinite-smectite mixed layers in a soil toposequence developed from basaltic parent material in Sardinia (Italy), Clays and Clay Minerals, vol.47, issue.4, pp.505-514, 1999.

N. Roberts, W. J. Eastwood, and C. Kuzucuo?lu, Climatic, vegetation and cultural change in the eastern Mediterranean during the mid-Holocene environmental transition, The Holocene, vol.21, issue.1, pp.147-162, 2011.
URL : https://hal.archives-ouvertes.fr/hal-02477784

N. Rossignol, A. Bonis, and J. Bouzillé, Consequence of grazing pattern and vegetation structure on the spatial variations of net N mineralisation in a wet grassland, Applied Soil Ecology, vol.31, issue.1-2, pp.62-72, 2006.
URL : https://hal.archives-ouvertes.fr/hal-00015027

F. E. Round, R. M. Crawford, and D. G. Mann, The Diatoms: Biology & Morphology of the Genera, vol.768, p.pp, 1990.

K. Rühland, A. M. Paterson, and J. P. Smol, Hemispheric-scale patterns of climate-related shifts in planktonic diatoms from North American and European lakes, Global Change Biology, vol.14, issue.11, pp.2740-2754, 2008.

M. Scheffer, S. Carpenter, and J. A. Foley, Catastrophic shifts in ecosystems, Nature, vol.413, issue.6856, pp.591-596, 2001.
URL : https://hal.archives-ouvertes.fr/hal-02195560

M. Scheffer, S. H. Hosper, and M. L. Meijer, Alternative equilibria in shallow lakes, Trends in Ecology & Evolution, vol.8, issue.8, pp.275-279, 1993.

D. W. Schindler, R. E. Hecky, and D. L. Findlay, Eutrophication of lakes cannot be controlled by reducing nitrogen input: Results of a 37-year whole-ecosystem experiment. Proceedings of the National Academy of Sciences of the United States of, America, vol.105, issue.32, pp.11254-11258, 2008.

R. Schmidt, C. Kamenik, and C. Kaiblinger, Tracking Holocene environmental changes in an alpine lake sediment core: Application of regional diatom calibration, geochemistry, and pollen, Journal of Paleolimnology, vol.32, issue.2, pp.177-196, 2004.

R. Schmidt, K. A. Koinig, and R. Thompson, A multi proxy core study of the last 7000 years of climate and alpine land-use impacts on an Austrian mountain lake (Unterer Landschitzsee, Palaeogeography, Palaeoclimatology, Palaeoecology, vol.187, issue.1-2, pp.101-120, 2002.

M. Schrama, G. F. Veen, and E. S. Bakker, An integrated perspective to explain nitrogen mineralization in grazed ecosystems, Perspectives in Plant Ecology, vol.15, issue.1, pp.32-44, 2013.

A. Seddon, A. W. Mackay, and A. G. Baker, Looking forward through the past: Identification of 50 priority research questions in palaeoecology, Journal of Ecology, vol.102, issue.1, pp.256-267, 2014.

F. J. Singer and K. A. Schoenecker, Do ungulates accelerate or decelerate nitrogen cycling? Forest Ecology and Management, vol.181, pp.189-204, 2003.

J. P. Smol, Paleoclimate proxy data from freshwater arctic diatoms, International Association of Theoretical and Applied Limnology, vol.23, pp.837-844, 1988.

J. P. Smol, Paleolimnology: An important tool for effective ecosystem management, Journal of Aquatic Ecosystem Health, vol.1, issue.1, pp.49-58, 1992.

J. P. Smol and E. F. Stoermer, The Diatoms: Applications for the Environmental and Earth Sciences, vol.469, p.pp, 2010.

J. P. Smol, A. P. Wolfe, and H. Birks, Climate-driven regime shifts in the biological communities of arctic lakes. Proceedings of the National Academy of Sciences of the United States of, America, vol.102, issue.12, pp.4397-4402, 2005.

S. Sommaruga-wögrath, K. A. Koinig, and R. Schmidt, Temperature effects on the acidity of remote alpine lakes, Nature, vol.387, issue.6628, pp.64-67, 1997.

B. Stabell, The development and succession of taxa within the diatom genus Fragilaria Lyngbye as a response to basin isolation from the sea, Boreas, vol.14, issue.4, pp.273-286, 1985.

M. Staubwasser, F. Sirocko, and P. M. Grootes, Climate change at the 4.2 ka BP termination of the Indus valley civilization and Holocene south Asian monsoon variability, Geophysical Research Letters, vol.30, issue.8, p.1425, 2003.

W. Steffen, Å. Persson, and L. Deutsch, The anthropocene: From global change to planetary stewardship, AMBIO, vol.40, issue.7, pp.739-761, 2011.

F. Suméra, F. Blanc, and E. Cavana, Rapport de sondage, commune de Valdeblore. Rapport final d'opération, Service Régionale de Archéologie, Direction Régionale des Affaires culturelle de la Région Provence-Alpes-Cotes d'Azur, vol.30, p.pp, 2008.

R. Thompson, C. Kamenik, and R. Schmidt, Ultra-sensitive Alpine lakes and climate change, Journal of Limnology, vol.64, issue.2, pp.139-152, 2005.

D. Tilman, Nitrogen-limited growth in plants from different successional stages, Ecology, vol.67, issue.2, p.555, 1986.

T. Vegas-vilarrúbia, V. Rull, and E. Montoya, Quaternary palaeoecology and nature conservation: A general review with examples from the neotropics, Quaternary Science Reviews, vol.30, pp.2361-2388, 2011.

R. D. Vinebrooke and P. R. Leavitt, Direct and interactive effects of allochthonous dissolved organic matter, inorganic nutrients, and ultraviolet radiation on an alpine littoral food web, Limnology and Oceanography, vol.43, issue.6, pp.1065-1081, 1998.

P. M. Vitousek and R. Howarth, Nitrogen limitation on land and in the sea: How can it occur?, Biogeochemistry, vol.13, pp.87-115, 1991.

M. Walker, M. Berkelhammer, and S. Björck, Formal subdivision of the Holocene Series/Epoch: A discussion paper by a Working Group of INTIMATE (Integration of ice-core, marine and terrestrial records) and the subcommission on quaternary stratigraphy (International Commission on Stratigraphy), Journal of Quaternary Science, vol.27, issue.7, pp.649-659, 2012.

K. Walsh, M. Court-picon, D. Beaulieu, and J. , Archaeology and palaeoecology of the Mesolithic to the Medieval period, Quaternary International Environmental History of European High Mountains, vol.353, pp.52-73, 2014.
URL : https://hal.archives-ouvertes.fr/halshs-01478731

K. Walsh, F. Mocci, and S. Tzortzis, Dynamique du peuplement et activités agro-pastorales durant l'âge du Bronze dans les massifs du Haut Champsaur et de l'Argentierois (Hautes-Alpes). Documents d'archéologie méridionale, Protohistoire du Sud de la France, vol.28, pp.25-44, 2007.

R. Wang, J. A. Dearing, and P. G. Langdon, Flickering gives early warning signals of a critical transition to a eutrophic lake state, Nature, vol.492, issue.7429, pp.419-422, 2012.
URL : https://hal.archives-ouvertes.fr/hal-02195153

K. Weckström, J. Weckström, and L. Yliniemi, The ecology of Pediastrum (Chlorophyceae) in subarctic lakes and their potential as paleobioindicators, Journal of Paleolimnology, vol.43, issue.1, pp.61-73, 2010.

K. S. Westover, S. Fritz, and T. A. Blyakharchuk, Diatom paleolimnological record of Holocene climatic and environmental change in the Altai Mountains, Journal of Paleolimnology, vol.35, pp.519-541, 2006.

S. Wögrath and R. Psenner, Seasonal, annual and long-term variability in the water chemistry of a remote high mountain lake: Acid rain versus natural changes, Water, Air, and Soil Pollution, vol.85, issue.2, pp.359-364, 1995.

A. P. Wolfe, Climate modulates the acidity of Arctic lakes on millennial time scales, Geology, vol.30, issue.3, pp.215-218, 2002.