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Late Quaternary Chrysophycean stomatocysts in a Southern Carpathian mountain lake, including the description of new forms (Romania)

SORÓCZKI˗PINTÉR, ÉVA and PLA˗RABES, SERGI and MAGYARI, ENIKŐ KATALIN and STENGER-KOVÁCS, CSILLA and Buczkó, Krisztina (2014) Late Quaternary Chrysophycean stomatocysts in a Southern Carpathian mountain lake, including the description of new forms (Romania). Phytotaxa, 170 (3). pp. 169-186. ISSN 1179-3155

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Abstract

In this study we present results of a low-resolution chrysophyte stomatocyst analysis that followed a high-resolution diatom analysis of a mountain lake sediment sequence from the Retezat Mountains, in the south Carpathians (Romania). The stomatocyst assemblages of the previously distinguished ten diatom assemblage zones of Lake Gales were studied with the aim to describe stomatocyst composition and create a taxonomical basis for detailed stratigraphical analysis in the future. We report 83 stomatocyst forms, and 7 of them are formally described here as new for science. An abrupt shift in cyst as well as diatom assemblages were recorded around 9200 cal yr BP during the 15,000 years long history of the Lake Gales. This Lake Gales event could be linked to the 9.3-ka widespread significant climatic anomaly, which was triggered by a melt water pulse into the North Atlantic.

Item Type: Article
Uncontrolled Keywords: Chrysophycean stomatocysts climatic anomaly diatoms new morphotypes 9.3 event Retezat Mountains Southern Carpathians
Subjects: Q Science / természettudomány > QE Geology / földtudományok
Q Science / természettudomány > QH Natural history / természetrajz > QH526 Paleontology / őslénytan
Q Science / természettudomány > QK Botany / növénytan > QK01 Systematic botany / növényrendszertan
Depositing User: Mariann Bosnakoff
Date Deposited: 25 Sep 2014 21:14
Last Modified: 25 Sep 2014 21:14
URI: http://real.mtak.hu/id/eprint/16837

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