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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Lake Ohrid, Albania, provides an exceptional multi-proxy record of environmental changes during the last glacial-interglacial cycle
Palaeogeography, Palaeoclimatology, Palaeoecology, Volume 287, No. 1-4, Year 2010
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Description
Multi-proxy analyses on core JO2004-1 recovered from Lake Ohrid (40°55.000 N, 20°40.297E, 705 m a.s.l.) provide the first environmental and climate reconstruction in a mountainous area in Southern Europe over the last 140,000 years. The response of both lacustrine and terrestrial environments to climate change has been amplified by the peculiar geomorphological and hydrological setting, with a steep altitudinal gradient in the catchment and a karstic system feeding the lake. The karstic system was active during interglacials, leading to high carbonate production in the lake, and blocked during glacials as a result of extremely cold climate conditions with permafrost in the mountains. At the Riss-Eemian transition (Termination 2) the increase in lacustrine productivity predated forest expansion by about 10,000 years. In contrast, the Late Glacial-Holocene transition (Termination 1) was characterized by the dramatic impact of the Younger Dryas, which initially prevented interglacial carbonate production and delayed its maximum until the mid-Holocene. In contrast, forest expansion was progressive, starting as early as ca. 38,000 ago. The proximity of high mountains and the probable moderating lake effect on local climate conditions promoted forest expansion, and contributed to make the surroundings of Lake Ohrid favourable to forest refugia during the last glacial, usually steppic, period. Our study of sedimentology, mineralogy, geochemistry, magnetics, palynology and isotopes illustrates the non-linear response of terrestrial and lacustrine ecosystems to similar climate events, and demonstrates the potential of Lake Ohrid as an excellent paleoclimatic archive during the Quaternary. © 2010 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Leźine, Anne Marie
France, Gif-sur-yvette
Laboratoire Des Sciences du Climat et de L'environnement
Von Grafenstein, U.
France, Gif-sur-yvette
Laboratoire Des Sciences du Climat et de L'environnement
Andersen, Nils
Germany, Kiel
Christian-albrechts-universität zu Kiel
Belmecheri, Soumaya
France, Gif-sur-yvette
Laboratoire Des Sciences du Climat et de L'environnement
Bordon, A.
France, Gif-sur-yvette
Laboratoire Des Sciences du Climat et de L'environnement
Caron, Benoit
Italy, Pisa
Università Di Pisa
Cazet, Jean Pierre
France, Gif-sur-yvette
Laboratoire Des Sciences du Climat et de L'environnement
Erlenkeuser, H.
Germany, Kiel
Christian-albrechts-universität zu Kiel
Fouache, Éric G.
France, Meudon
Laboratoire de Géographie Physique, Environnements Quaternaires et Actuels
Grenier, C.
France, Gif-sur-yvette
Laboratoire Des Sciences du Climat et de L'environnement
Huntsman, Philippa
Botswana, Gaborone
University of Botswana
Hureau-Mazaudier, D.
France, Brest
Université de Brest Ubo
Manelli, D.
Albania
Geological Survey
Mazaud, A.
France, Gif-sur-yvette
Laboratoire Des Sciences du Climat et de L'environnement
Robert, C.
France, Aix-en-provence
Centre Européen de Recherche et D’enseignement de Géosciences de L’environnement
Sulpizio, R.
Italy, Bari
Università Degli Studi Di Bari Aldo Moro
Tiercelin, Jean Jacques
France, Rennes
Géosciences Rennes
Zanchetta, Giovanni
Italy, Pisa
Università Di Pisa
Zeqollari, Z.
Albania
Geological Survey
Statistics
Citations: 89
Authors: 19
Affiliations: 10
Identifiers
Doi:
10.1016/j.palaeo.2010.01.016
ISSN:
00310182
Research Areas
Environmental