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The late Early Pleistocene flora of Oriolo, Faenza (Italy): assembly of the modern forest biome
Swedish Museum of Natural History, Department of Paleobiology.ORCID iD: 0000-0001-9535-1206
Museo Civico di Scienze Naturali, Via Medaglie D’Oro 51, 48018 Faenza.
Department of Biology and Environmental Studies, Faculty of Education, Charles University, Magdalény Rettigové 4, 116 39 Prague.
Dipartimento di Scienze della Terra, University of Turin, Via Valperga Caluso 35, 10125 Torino.
2022 (English)In: Fossil Imprint, ISSN 2533-4050, Vol. 78, no 1, p. 217-262Article in journal (Refereed) Published
Abstract [en]

The late Early Pleistocene was the last time of equable climate in northern Central Italy, reflected in its large mammal fauna and numerous palynological records. Reliably dated leaf fossils from this time are rare, but provide crucial information onlocal and regional vegetation, biogeographic relationships, and species turnover coinciding with the assembly of modern forest biomes. Here we investigated a rich assemblage of leaf and fruit impressions (63 fossil-taxa) from the Oriolo quarry, Faenza (Ravenna), dated to the latest Calabrian, preserved in transgressive coastal deposits. The fossil assemblage represents riparian vegetation and xeric alluvial habitats in the lowlands and forest vegetation above the alluvial plain. Forest-building trees were deciduous, but comprised several taxa characteristic of open scrubland or forest edges. The composition of the flora reflects a dynamic process of assembling modern forest biomes in western Eurasia. While most taxa correspond to modern submediterranean and temperatewoody species, some others represent late occurrences of taxa today confined to refugia outside Italy (Parrotia, Gleditsia, Pterocarya), and a few are Miocene/Pliocene relics indicating final floristic links with East Asia (Japan) and/or North America (Tsuga cf.chiarugii, Carya cf. minor) and Pleistocene endemism in Italy (Berberis auriolensis, Acer aemilianum).

Place, publisher, year, edition, pages
Prague, 2022. Vol. 78, no 1, p. 217-262
Keywords [en]
Angiosperms, leaves, fruits, Early to Middle Pleistocene, Italy, Integrated Plant Record (IPR) vegetation analysis, statistical tool Drudge 1, Pleistocene relict taxa
National Category
Other Earth and Related Environmental Sciences
Research subject
Ecosystems and species history
Identifiers
URN: urn:nbn:se:nrm:diva-4988DOI: 10.37520/fi.2022.009OAI: oai:DiVA.org:nrm-4988DiVA, id: diva2:1717713
Funder
Swedish Research Council, 2015-03986Available from: 2022-12-09 Created: 2022-12-09 Last updated: 2022-12-09Bibliographically approved

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Publisher's full texthttps://www.biotaxa.org/AMNPSBHN/article/view/76835

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