Authors:
Krisztina Buczkó Department of Botany, Hungarian Natural History Museum, Budapest, Hungary
H-1476, Budapest, P.O. Box 222, Hungary

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Enikő K. Magyari Hungarian Academy of Sciences — Hungarian, Natural History Museum Research Group for Paleontology, Budapest, Hungary
H-1476, Budapest, P.O. Box 222, Hungary

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Éva Soróczki-Pintér Department of Botany, Hungarian Natural History Museum, Budapest, Hungary
Department of Limnology, University of Pannonia, Veszprém, Hungary
H-1476, Budapest, P.O. Box 222, Hungary

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Katalin Hubay Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen, Hungary
H-4010, Debrecen, P.O. Box 21, Hungary

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Mihály Braun Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen, Hungary
H-4010, Debrecen, P.O. Box 21, Hungary

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Miklós Bálint Biodiversität und Klima Forschungszentrum, Frankfurt am Main, Germany
Senckenberganlage 25, D-60325, Frankfurt am Main, Germany

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Abstract

A high-resolution paleolimnological record from Lake Brazi (TDB-1; 45°23’47″N, 22°54’06″E, 1740 m a.s.l.), a small, glacial lake in the Retezat (South Carpathian Mountains, Romania) provides a sensitive record of the impacts of late glacial climatic change on siliceous algal assemblages. The sequence, ranging from 15,700 cal yr BP to 9500 cal yr BP, suggests that the most significant changes in diatom assemblages took place at 12,800 and 10,400 cal yr BP, when alkaliphilous fragilarioid taxa were replaced by acidophilous diatoms. Altogether eight zones were distinguished with sharp and rapid changes of diatom assemblages. The paper discusses the application of siliceous algae in multi-proxy paleolimnological analyses, demonstrates the advantages and disadvantages of this proxy and presents the story of floristic discovery of unique diatom assemblages, the closest recent analogs of which are found in the arctic region.

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  • R.W. Batterbee 1986 Diatom analysis B.E. Berglund Handbook of Holocene Palaeoecology and Palaeohydrology John Wiley and Sons Chichester, New York, Brisbane, Toronto, Singapor 527 570.

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  • Bennett K.D. 2005: Psimpoll Manual. — 〈http://www.kv.geo.uu.se/psimpoll.html〉 (accessed 12th February 2008).

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  • K. Buczkó E.K. Magyari M. Braun M. Bálint 2009 Late Glacial and Holocene diatoms from glacial lake Taul dintre Brazi, Retezat Mts, Romania A. Lotter H. Cremer M. Mullen R. Vasiliauskiené H. Hooghart The joint 40th Meeting of the Dutch-Flemish Society of Diatomists (NVKD) and 3rd Cetral Europen Diatom Meeting (CE-DiatoM) Hollandia Utrecht 36 39.

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  • K. Buczkó N. Ognjanova-Rumenova E. Magyari 2010 Taxonomy, morphology and distribution of some Aulacoseira taxa in glacial lakes in the South Carpathian region Polish Botanical Journal 55 149 163.

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  • G. Clarke M. Kernan A. Marchetto S. Sorvari J. Catalan 2005 Using diatoms to assess geographical patterns of biological and limnological change in high-altitude European lakes from pre-industrial times to the present day Aquatic Sciences 67 224 236.

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  • Committee on Abrupt Climate Change National Research Council. 2002 Definition of Abrupt Climate Change Abrupt climate change: inevitable surprises National Academy Press Washington, D.C..

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  • Fallu, M.A., N. Allaire, R. Pienitz 2000: Freshwater Diatoms from northern Québec and Labrador (Canada). Species-environment relationships in lakes of boreal forest, forest-tundra and trunda regions. — In: Lange-Bertalot, H., P. Kociolek (eds): Bibliotheca Diatomologica 45. J. Cramer Series.

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  • O. Heiri A.F. Lotter G. Lemcke 2001 Loss on ignition as a method for estimating organic and carbonate content in sediments: reproducibility and comparability of results Journal of Paleolimnology 25 101 110.

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  • B. Ilyashuk E. Gobet O. Heiri A.F. Lotter J.F.N. van Leeuwen W.O. van der Knaap E. Ilyashuk F. Oberli B. Ammann 2009 Late Glacial environmental and climatic changes at the Maloja Pass, Central Swiss Alps, as recorded by chironomids and pollen Quat Sci Rev. 28 1340 1353.

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  • A.F. Lotter 2003 Multi-proxy climatic reconstructions A. MacKay R. Battarbee J. Birks F. Oldfield Global Change in the Holocene Arnold London 373 383.

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  • A.F. Lotter H.J.B. Birks W. Hofmann A. Marchetto 1997 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 18 395 420.

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  • A.F. Lotter H.J.B. Birks W. Hofmann A. Marchetto 1998 Modern Diatom, Cladocera, Chironomid, and Chrysophyte cyst assemblages as quantitative indicators for the reconstruction of past environmental conditions in the Alps. II. Nutrients Journal of Paleolimnology 19 443 463.

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  • A.W. Mackay D.B. Ryves R.W. Battarbee R.J. Flower D. Jewson P. Rioual M. Sturm 2005 1000 years of climate variability in central Asia: assessing the evidence using Lake Baikal (Russia) diatom assemblages and the application of a diatom-inferred model of snow cover on the lake Global and Planetary Change 46 281 297.

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  • D.G. Mann S.J. Thomas K.M. Evans 2008 Revision of the diatom genus Sellaphora: a first account of the larger species in the British Isles Fottea 8 15 78.

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  • E.K. Magyari M. Braun K. Buczkó K. Hubay M. Bálint 2009 Radiocarbon chronology of glacial lake sediments in the Retezat Mts (S Carpathians, Romania): a window to Lateglacial and Holocene climatic and palaeoenvironmental changes Central European Geology 52 225 248.

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  • Magyari, E.K., G. Jakab, M. Braun, M. Bálint, K. Buczkó: Rapid responses of high-mountain vegetation to Lateglacial and Early Holocene climatic oscillations — a case study from the South Carpathian Mountains, Romania. in prep.

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  • L. St. Péterfi 1974 Preliminary notes on the subfossil and recent diatom flora of the Zanoguta peat bog from the Retezat Mountains Studia Universitatis Babes-Bolyai, Cluj, Series Biologia 19 5 17.

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

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  • A. Poulícková J. Špacková M.G. Kelly Duchoslav D.G. Mann 2008 Ecological variation within Sellaphora species complexes (Bacillariophyceae): specialists or generalists? Hydrobiologia 614 373 386.

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  • A.U. Reuther P. Urdea C. Geiger S. Ivy-Ochs H.P. Nille P.W. Kubik K. Heine 2007 Late Pleistocene glacial chronology of the Pietrele Valley, Retezat Mountains, Southern Carpathians constrained by 10Be exposure ages and pedological investigations Quaternary International 164–65 151 169.

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  • D.B. Ryves R. Battarbee S.C. Fritz 2009 The dilemma of disappearing diatoms: incorporating dissolution into paleoenvironmental modelling and reconstructions Quaternary Science Reviews 28 120 136.

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  • R. Schmidt C. Kamenik C. Kaiblinger M. Hetzel 2004 Tracking Holocene environmental changes in an alpine lake sediment core: application of regional diatom calibration, geochemistry, and pollen Journal of Paleolimnology 32 177 196.

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  • R. Schmidt C. Kamenik R. Tessadri K.A. Koinig 2006 Climatic changes from 12,000 to 4,000 years ago in the Austrian Central Alps tracked by sedimentological and biological proxies of a lake sediment core Journal of Paleolimnology 35 491 505.

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  • P.A. Siver P.B. Hamilton K. Stachura-Suchoples J.P. Kociolek 2005 Diatoms of North America: The freshwater flora of Cape Cod, Massachusetts, USA H. Lange-Bertalot Iconographia diatomologica, vol. 14 Koeltz Scientific Books Koeningstein, Liechtenstein.

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  • J.P. Smol 2008 Pollution of Lakes and Rivers: A Paleoenvironmental Perspective 2nd Edition Blackwell Publishing Oxford.

  • E.F. Stoermer J.P. Smol 1999 The diatoms: Applications for the environmental and Earth Sciences Cambridge University Press Cambridge.

  • A.P. Wolfe 2002 Climate modulates the acidity of Arctic lakes on millennial time scales Geological Society of America 30 215 218.

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Senior editors

Editor(s)-in-Chief: Attila DEMÉNY

Deputy Editor(s)-in-Chief: Béla RAUCSIK

Co-ordinating Editor(s): Gábor SCHMIEDL

Editorial Board

  • Zsolt BENKÓ (Geochemistry, Ar dating; Institute for Nuclear Research, Debrecen)
  • Szabolcs HARANGI (Petrology, geochemistry, volcanology; Eötvös Loránd University, Budapest)
  • Anette GÖTZ (Sedimentology; Landesamt für Bergbau, Energie und Geologie, Hannover)
  • János HAAS (Regional Geology and Sedimentology; Eötvös Loránd University, Budapest)
  • István Gábor HATVANI (Geomathematics; Institute for Geological and Geochemical Research, Budapest)
  • Henry M. LIEBERMAN (Language Editor; Salt Lake City)
  • János KOVÁCS (Quaternary geology; University of Pécs)
  • Szilvia KÖVÉR (Sedimentology; Eötvös Loránd University, Budapest)
  • Tivadar M. TÓTH (Mineralogy; Petrology    University of Szeged)
  • Stephen J. MOJZSIS (Petrology, geochemistry and planetology; University of Colorado Boulder)
  • Norbert NÉMETH (Structural geology; University of Miskolc)
  • Attila ŐSI (Paleontology; Eötvös Loránd University, Budapest)
  • József PÁLFY (Fossils and Stratigraphic Records; Eötvös Loránd University, Budapest)
  • György POGÁCSÁS (Petroleum Geology; Eötvös Loránd University, Budapest)
  • Krisztina SEBE (Tectonics, sedimentology, geomorphology University of Pécs)
  • Ioan SEGHEDY (Petrology and geochemistry; Institute of Geodynamics, Bucharest)
  • Lóránd SILYE (Paleontology; Babeș-Bolyai University, Cluj-Napoca)
  • Ákos TÖRÖK (Applied and Environmental Earth Sciences; Budapest University of Technology and Economics, Budapest)
  • Norbert ZAJZON (Petrology and geochemistry; University of Miskolc)
  • Ferenc MOLNÁR (ore geology, geochemistry, geochronology, archaeometry; Geological Survey of Finland, Espoo)

Advisory Board

Due to the changes in editorial functions, the Advisory Board has been terminated. The participation of former Advisory Board members is highly appreciated and gratefully thanked.

CENTRAL EUROPEAN GEOLOGY
Institute for Geochemical Research
Hungarian Academy of Sciences
Address: Budaörsi út 45. H-1112 Budapest, Hungary
Phone: (06 1) 309 2681
Phone/fax: (06 1) 319 3137
E-mail: demeny@geochem.hu

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2023  
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Central European Geology
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Central European Geology
Language English
Size Vol 1-63: B5
Vol 64- : A4
Year of
Foundation
2007 (1952)
Volumes
per Year
1
Issues
per Year
2
Founder Magyar Tudományos Akadémia  
Founder's
Address
H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1788-2281 (Print)
ISSN 1789-3348 (Online)

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