| 1. |
- Alfsdotter, Clara, 1988-, et al.
(författare)
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A moment frozen in time : evidence of a late fifth-century massacre at Sandby borg
- 2018
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Ingår i: Antiquity. - : Cambridge Core. - 0003-598X .- 1745-1744. ; 92:362, s. 421-436
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Tidskriftsartikel (refereegranskat)abstract
- The European Migration Period (c. AD 400–550) was characterised by political, social and economic instability. Recent excavations at Sandby borg ringfort on the island of Öland in Sweden have revealed indisputable evidence of a massacre which occurred at that time. Osteological, contextual and artefactual evidence strongly suggest that the fort was abandoned immediately following the attack and was left undisturbed throughout antiquity. Sandby borg offers a unique snapshot of domestic life and abrupt death in the Scandinavian Migration Period, and provides evidence highly relevant to studies of ancient conflict, and on social and military aspects of Iron Age and Migration Period societies.
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| 2. |
- Alfsdotter, Clara, 1988-, et al.
(författare)
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A Taphonomic Interpretation of the Postmortem Fate of the Victims Following the Massacre at Sandby Borg, Sweden
- 2020
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Ingår i: Bioarchaeology International. - Gainesville, FL : University of Florida Press. - 2472-8357 .- 2472-8349. ; 3:4, s. 262-282
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Tidskriftsartikel (refereegranskat)abstract
- In the ringfort Sandby borg (A.D. 400–550) on Öland, Sweden, remains of 26 unburied humans were excavated between 2010 and 2016. Several of the skeletons display traces of lethal interpersonal violence. This study presents taphonomic analyses of unburied bodies, a situation seldom encountered archaeologically. The depositional context allows us to investigate human taphonomy in interaction with natural agents both “indoors” and “outdoors.” A set of various techniques, including documentation of preservation via zoning, weathering stages, fracture analysis, and archaeothanatology, were applied to understand the perimortem and postmortem fate of the human remains. The results of the taphonomic analysis showed no indications of manipulation postmortem. Expected differences in preservation between in-and outdoor skeletons were not observed. Perimortem fire alterations were interpreted as the result of burning hearths and smoldering roofs. The analysis indicates that the bodies have decomposed in voids. New observations for “unconfined void” taphonomy are presented. The abduction of limbs could be the result of bloating and, hence, indicate a primary deposit of bodies. Atypical lack of splaying of bones might be caused by decomposition in unconfined voids, possibly allowing quicker drainage of putrefaction liquids than in confined voids such as coffins. These observations suggest that processes behind decomposition in voids are not completely understood archaeologically, and might challenge interpretations of mortuary treatment from human remains.
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| 3. |
- Alfsdotter, Clara, 1988-
(författare)
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Bad Death at Sandby borg : A Bioarchaeological Analysis of Intergroup Violence and Postmortem Agency of Unburied Corpses
- 2018
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Licentiatavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The subject of corpses from mass violence is surprisingly unexplored, even though the materiality of the corpse carries strong symbolic capital in conflicts. The aim of my PhD research is to create new knowledge about the implications of unburied corpses that stem from intergroup conflicts, and subsequently to add knowledge concerning how intergroup violence is organised to achieve desired social agendas.In the licentiate thesis presented here, I research the conditions for postmortem agency and how treatment of corpses can be studied in prehistory, specifically through the material remains of unburied corpses from the Sandby borg massacre. The Sandby borg case study is explored through a bioarchaeological perspective. Inside the Iron Age ringfort, the remains of at least 26 individuals have been recovered hitherto. Several of the dead display traces of lethal intergroup violence. By integrating osteology, archaeology, taphonomy and social theories, I show how bioarchaeological research can contribute to the understanding of past postmortem agency in relation to intergroup violence as a social process. The thesis is comprised of four articles.
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| 4. |
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| 5. |
- Alfsdotter, Clara, 1988-
(författare)
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Forensic archaeology and forensic anthropology within Swedish law enforcement : current state and suggestions for future developments
- 2021
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Ingår i: Forensic Science International: Reports. - : Elsevier. - 2665-9107. ; 3
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Tidskriftsartikel (refereegranskat)abstract
- Archaeological theories and methods are developed to reconstruct past human behavior from fragmentary material remains. The interrelated discipline of physical anthropology addresses questions related to skeletal remains while acknowledging taphonomic parameters. The benefit of integrating these disciplines in forensic investigations has gained increasing acknowledgement over the last decades, but the use of forensic archaeology and anthropology (FAA) remains limited in Sweden. The aim of this study is to analyze the field of FAA in Sweden in relation to outdoor and fire crime scenes where human remains are encountered. Based on qualitative interviews, the state and potential developments of FAA within the Swedish police and the National Board of Forensic Medicine are discussed. The results show that for ensic investigations and analysis of human fragmentary remains are not standardized in Sweden. A great responsibility is placed on the individual crime scene investigator who elects how to investigate these sites and who to contract for the analysis of osteological remains. This can endanger evidence collection and interpretation. This study shows that investigations of buried or fragmentary human remains in Sweden could be aided by a development of FAA. Key steps to further development of FAA within Swedish police involve 1) quantifying cases that could benefit from FAA, 2) establish FAA as an independent subject, 3) develop a national infrastructure, 4) offer professional education in the subject(s), and 4) develop best practice to advance evidence collection and legal security in investigations involving fragmentary human remains. An ongoing ISO accreditation of outdoor crime scene investigations within the Swedish police will hopefully benefit FAA development and collaborations with external partners.
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| 6. |
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| 7. |
- Alfsdotter, Clara, 1988-, et al.
(författare)
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Outdoor human decomposition in Sweden : A retrospective quantitative study of forensic-taphonomic changes and postmortem interval in terrestrial and aquatic settings
- 2021
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Ingår i: Journal of Forensic Sciences. - : John Wiley & Sons. - 0022-1198 .- 1556-4029. ; 66:4, s. 1348-1363
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Tidskriftsartikel (refereegranskat)abstract
- This paper presents a quantitative retrospective study of gross human decomposition in central and southeastern Sweden. The applicability of methods developed abroad for postmortem interval (PMI) estimation from decomposition morphology and temperature are is evaluated. Ninety‐four cases were analyzed (43 terrestrial and 51 aquatic) with a median PMI of 48 days. The results revealed differences in decomposition patterns between aquatic, surface, hanging, and buried remains. While partial saponification and desiccation occurred in cases of surface remains, complete skeletonization was observed in all cases with a PMI over two years. Aquatic skeletonization was slower due to extensive saponification in cases with PMI higher than one year. Formulae for assessing accumulated degree‐days (ADD) from the original methods did not fit the study material. However, a regression analysis demonstrated that 80% of decomposition variance in surface remains could be explained by ADD, suggesting that a geographically adapted equation holds promise for assessing PMI. In contrast, the model fit was poor for aquatic cases (43%). While this may be explained by problems in obtaining reliant aquatic temperature data or an insufficient scoring system, aquatic decomposition may be highly dependent on factors other than ADD alone. This study evaluates the applicability of current PMI methods on an outdoor sample from a previously unpublished region, and represents the first scientific publication of human outdoor decomposition patterns in Sweden. Suggestions for future research are provided, including that scoring methods should incorporate saponification to fit forensic taphonomy in Swedish environments.
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| 8. |
- Alfsdotter, Clara, 1988-
(författare)
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Social implications of unburied corpses from intergroup conflicts : postmortem agency following the Sandby borg massacre
- 2019
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Ingår i: Cambridge Archaeological Journal. - : Cambridge University Press. - 0959-7743 .- 1474-0540. ; 29:3, s. 427-442
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Tidskriftsartikel (refereegranskat)abstract
- A massacre took place inside the Sandby borg ringfort, southeast Sweden, at the end of the fifth century. The victims were not buried, but left where they died. In order to understand why the corpses were left unburied, and how they were perceived following the violent event, a theoretical framework is developed and integrated with the results of osteological analysis. I discuss the contemporary normative treatment of the dead, social response to death and postmortem agency with emphasis on intergroup conflict and ‘bad death’. The treatment of the dead in Sandby borg deviates from known contemporary practices. I am proposing that leaving the bodies unburied might be viewed as an aggressive social action. The corpses exerted postmortem agency to the benefit of the perpetrators, at the expense of the victims and their sympathizers. The gain for the perpetrators was likely political power through redrawing the victim's biographies, spatial memory and the social and territorial landscape. The denial of a proper death likely led to shame, hindering of regeneration and an eternal state of limbo.
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| 9. |
- Alfsdotter, Clara, 1988-
(författare)
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The Corporeality of Death : Bioarchaeological, Taphonomic, and Forensic Anthropological Studies of Human Remains
- 2021
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The aim of this work is to advance the knowledge of peri- and postmortem corporeal circumstances in relation to human remains contexts, as well as to demonstrate the value of that knowledge in forensic and archaeological practice and research. This article-based dissertation encompasses papers in bioarchaeology and forensic anthropology, with an emphasis on taphonomy. The studies include analyses of human osseous material and human decomposition in relation to spatial and social contexts, from both theoretical and methodological perspectives.Taphonomic knowledge is vital to interpretations of the circumstances of peri- and postmortem deposition, with a concern for whether features were created by human hand or the result of decomposition processes and other factors. For example, taphonomic knowledge can aid interpretations of the peri- and postmortem sequence of events, of the agents that have affected human remains, as well as for estimations of time since death. When integrated with social theories, taphonomic information can be used to interpret past events. In this dissertation, a combination of bioarchaeological and forensic taphonomic methods are used to address the question of what processes have shaped mortuary contexts. Specifically, these questions are raised in relation to the peri- and postmortem circumstances of the dead in the Iron Age ringfort of Sandby borg, and about the rate and progress of human decomposition in a Swedish outdoor environment and in a coffin. Additionally, the question is raised of how taphonomic knowledge can inform interpretations of mortuary contexts, and of the current state and potential developments of forensic anthropology and archaeology in Sweden. The result provides us with information of depositional history in terms of events that created and modified deposits of human remains. Furthermore, this research highlights some limitations in taphonomic reconstructions. The research presented here is helpful for interpretations of what has occurred in the distant as well as recent pasts, to understand potentially confounding factors, and how forensic anthropology can benefit Swedish crime scene investigations. In so doing, the knowledge of peri- and postmortem corporeal circumstances and how it can be used has been advanced in relation to both the archaeological and forensic fields.
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| 10. |
- Alfsdotter, Clara, 1988-, et al.
(författare)
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The Sandby Borg Massacre : Interpersonal Violence and the Demography of the Dead
- 2019
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Ingår i: European Journal of Archaeology. - : Cambridge University Press. - 1461-9571 .- 1741-2722. ; 22:2, s. 210-231
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Tidskriftsartikel (refereegranskat)abstract
- During excavations of the Iron Age ringfort of Sandby borg (ad 400-550), the remains of twenty-six unburied bodies were encountered inside and outside the buildings. The skeletons and the archaeological record indicate that after the individuals had died the ringfort was deserted. An osteological investigation and trauma analysis were conducted according to standard anthropological protocols. The osteological analysis identified only men, but individuals of all ages were represented. Eight individuals (31 per cent) showed evidence of perimortem trauma that was sharp, blunt, and penetrating, consistent with interpersonal violence. The location of the bodies and the trauma pattern appear to indicate a massacre rather than a battle. The 'efficient trauma' distribution (i.e. minimal but effective violence), the fact that the bodies were not manipulated, combined with the archaeological context, suggest that the perpetrators were numerous and that the assault was carried out effectively. The contemporary sociopolitical situation was seemingly turbulent and the suggested motive behind the massacre was to gain power and control.
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