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Oxygen concentration profiles in sediment of two ancient lakes: Lake Baikal (Siberia, Russia) and Lake Malawi (East Africa)
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RBINS Staff Publications
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Palaega rugosa, a new species of fossil isopod (Crustacea) from Maastrichtian rocks of Tunisia.
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RBINS Staff Publications
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Palaeoenvironmental and sea sevel changes during the early to mid-Holocene in eastern Saudi Arabia and their implications for Neolithic populations
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RBINS Staff Publications 2020
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Palaeogenomic analysis of black rat (Rattus rattus) reveals multiple European introductions associated with human economic history
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The distribution of the black rat (Rattus rattus) has been heavily influenced by its association with humans. The dispersal history of this non-native commensal rodent across Europe, however, remains poorly understood, and different introductions may have occurred during the Roman and medieval periods. Here, in order to reconstruct the population history of European black rats, we first generate a de novo genome assembly of the black rat. We then sequence 67 ancient and three modern black rat mitogenomes, and 36 ancient and three modern nuclear genomes from archaeological sites spanning the 1st-17th centuries CE in Europe and North Africa. Analyses of our newly reported sequences, together with published mitochondrial DNA sequences, confirm that black rats were introduced into the Mediterranean and Europe from Southwest Asia. Genomic analyses of the ancient rats reveal a population turnover in temperate Europe between the 6th and 10th centuries CE, coincident with an archaeologically attested decline in the black rat population. The near disappearance and re-emergence of black rats in Europe may have been the result of the breakdown of the Roman Empire, the First Plague Pandemic, and/or post-Roman climatic cooling.
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RBINS Staff Publications 2022
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Palaeogenomics of Upper Palaeolithic to Neolithic European hunter-gatherers
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Modern humans have populated Europe for more than 45,000 years1,2. Our knowledge of the genetic relatedness and structure of ancient hunter-gatherers is however limited, owing to the scarceness and poor molecular preservation of human remains from that period3. Here we analyse 356 ancient hunter-gatherer genomes, including new genomic data for 116 individuals from 14 countries in western and central Eurasia, spanning between 35,000 and 5,000 years ago. We identify a genetic ancestry profile in individuals associated with Upper Palaeolithic Gravettian assemblages from western Europe that is distinct from contemporaneous groups related to this archaeological culture in central and southern Europe4, but resembles that of preceding individuals associated with the Aurignacian culture. This ancestry profile survived during the Last Glacial Maximum (25,000 to 19,000 years ago) in human populations from southwestern Europe associated with the Solutrean culture, and with the following Magdalenian culture that re-expanded northeastward after the Last Glacial Maximum. Conversely, we reveal a genetic turnover in southern Europe suggesting a local replacement of human groups around the time of the Last Glacial Maximum, accompanied by a north-to-south dispersal of populations associated with the Epigravettian culture. From at least 14,000 years ago, an ancestry related to this culture spread from the south across the rest of Europe, largely replacing the Magdalenian-associated gene pool. After a period of limited admixture that spanned the beginning of the Mesolithic, we find genetic interactions between western and eastern European hunter-gatherers, who were also characterized by marked differences in phenotypically relevant variants.
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RBINS Staff Publications 2023
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Palaeogeographical and palaeoecological constraints on palaeozoic vertebrates (chondrichthyans and placoderms) in the Ardenne Massif - Shark radiations in the Famennian on both sides of the Palaeotethys
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Three chondrichthyan radiations are registered in the Famennian of the ArdenneMassif (Belgium). These radiations are already observed in Morocco and in the Carnic Alps, their acme being related with the early expansa transgression. Comparisons of univariate statistical descriptors like Margalef richness and Shannon–Wiener diversity index show variations between both margins of the Paleotethys, variations interpreted in terms of trophic relationships. The Ardenne area, a northern shallow carbonate platform is characterized during the Famennian by endemic shark taxa with durophagous dentition. The southern open deep-sea area, the Variscan Sea, contains large placoderms probably disclosing a negative feedback on “cladodont” chondrichthyans. This supports the hypothesis that the Armorica platelet behaved like a barrier between the central southern Laurussia and northern Gondwana.
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RBINS Staff Publications
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Palaeolithic and prehistoric dogs and Pleistocene wolves from Yakutia: identification of isolated skulls.
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RBINS Staff Publications 2017
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Palaeolithic dog skulls at the Gravettian Předmostí site, the Czech Republic
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Whether or not the wolf was domesticated during the early Upper Palaeolithic remains a controversial issue. We carried out detailed analyses of the skull material from the Gravettian Předmostí site, Czech Republic, to investigate the issue. Three complete skulls from Předmostí were identified as Palaeolithic dogs, characterized by short skull lengths, short snouts, and wide palates and braincases relative to wolves. One complete skull could be assigned to the group of Pleistocene wolves. Three other skulls could not be assigned to a reference group; these might be remains from hybrids or captive wolves. Modifications by humans of the skull and canine remains from the large canids of Předmostí indicate a specific relationship between humans and large canids.
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Palaeolithic dogs and Pleistocene wolves revisited: a reply to Morey
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This is a reply to the comments of Morey (2014) on our identification of Palaeolithic dogs from several European Palaeolithic sites. In his comments Morey (2014) presents some misrepresentations and misunderstandings that we remedy here. In contrast to what Morey (2014) propounds, our results suggest that the domestication of the wolf was a long process that started early in the Upper Palaeolithic and that since that time two sympatric canid morphotypes can be seen in Eurasian sites: Pleistocene wolves and Palaeolithic dogs. Contrary to Morey (2014), we are convinced that the study of this domestication process should be multidisciplinary.
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RBINS Staff Publications
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Palaeolithic dogs and Pleistocene wolves revisited: a reply to Morey
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RBINS Staff Publications