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Paleovegetation and paleoclimate inferences of the early late Sarmatian palynoflora from the Gleisdorf Fm. at Gratkorn, Styria, Austria
University of Vienna, Department of Botany and Biodiversity Research, Division of Structural and Functional Botany, Rennweg 14, 1030 Vienna, Austria.
University of Vienna, Department of Botany and Biodiversity Research, Division of Structural and Functional Botany, Rennweg 14, 1030 Vienna, Austria.
University of Vienna, Department of Botany and Biodiversity Research, Division of Structural and Functional Botany, Rennweg 14, 1030 Vienna, Austria; Austrian Academy of Sciences (OeAW), Austrian Archaeological Institute (OeAI), Department of Historical Archaeology, Franz Klein Gasse 1, 1190 Vienna, Austria.
Universalmuseum Joanneum, Department for Geology and Palaeontology, Joanneumsviertel, 8010 Graz, Austria.
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2022 (English)In: Review of Palaeobotany and Palynology, ISSN 0034-6667, E-ISSN 1879-0615, Vol. 307, p. 1-65, article id 104767Article in journal (Refereed) Published
Abstract [en]

The Gleisdorf Formation (Fm.) deposits in the clay pit at Gratkorn, Styria, Austria, are dated to 12.2–12 Ma,and are of late Middle Miocene age (late Serravallian or Sarmatian). To reconstruct the paleovegetation and estimate the paleoclimate at this important vertebrate site, the palynoflora close to the boundary between the vertebrate-bearing layers of the Gratkorn Fm. and the overlying limnic clay deposits of the Gleisdorf Fm. was investigated. Using the single-grain method, 140 palynomorphs were identified. The palynoflora suggests that the paleovegetation was characterised by well-drained lowland and upland forests, riparian forest, and swamp forests. Depending on the dominating tree species, lowland and upland forests might have had closed or more open canopies. Open habitats included wet meadows and shrublands. In addition, conifers were present in theswampy lowlands and the forested uplands. The most prominent paleoclimatic signatures of the palynoflora indicate a fully humid warm temperate climate, with hot to warm summers and cool winters (Cfa-, Cfb-climate), and a seasonal climate with cool and drier winters and hot to warm and wetter summers (Cwa-, Cwb-climate). Our results align with existing studies bordering the Styrian Basin and support the presence of subtropical to warm-temperate vegetation around Gratkorn during the Sarmatian.

Place, publisher, year, edition, pages
Amsterdam: Elsevier, 2022. Vol. 307, p. 1-65, article id 104767
Keywords [en]
Climate signatures, Middle Miocene, Potential modern analogues, Single-grain method, Vegetation units, Vertebrate fauna
National Category
Other Earth and Related Environmental Sciences
Research subject
Ecosystems and species history; The changing Earth
Identifiers
URN: urn:nbn:se:nrm:diva-4996DOI: 10.1016/j.revpalbo.2022.104767OAI: oai:DiVA.org:nrm-4996DiVA, id: diva2:1717729
Funder
Swedish Research Council, 2021-05849Available from: 2022-12-09 Created: 2022-12-09 Last updated: 2022-12-09Bibliographically approved

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Publisher's full texthttps://www.sciencedirect.com/science/article/pii/S0034666722001658

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