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Aboriginal artefacts on the continental shelf reveal ancient drowned cultural landscapes in northwest Australia.

ABSTRACT: This article reports Australia's first confirmed ancient underwater archaeological sites from the continental shelf, located off the Murujuga coastline in north-western Australia. Details on two underwater sites are reported: Cape Bruguieres, comprising > 260 recorded lithic artefacts at depths down to -2.4 m below sea level, and Flying Foam Passage where the find spot is associated with a submerged freshwater spring at -14 m. The sites were discovered through a purposeful research strategy designed to identify underwater targets, using an iterative process incorporating a variety of aerial and underwater remote sensing techniques and diver investigation within a predictive framework to map the submerged landscape within a depth range of 0-20 m. The condition and context of the lithic artefacts are analysed in order to unravel their depositional and taphonomic history and to corroborate their in situ position on a pre-inundation land surface, taking account of known geomorphological and climatic processes including cyclone activity that could have caused displacement and transportation from adjacent coasts. Geomorphological data and radiometric dates establish the chronological limits of the sites and demonstrate that they cannot be later than 7000 cal BP and 8500 cal BP respectively, based on the dates when they were finally submerged by sea-level rise. Comparison of underwater and onshore lithic assemblages shows differences that are consistent with this chronological interpretation. This article sets a foundation for the research strategies and technologies needed to identify archaeological targets at greater depth on the Australian continental shelf and elsewhere, building on the results presented. Emphasis is also placed on the need for legislation to better protect and manage underwater cultural heritage on the 2 million square kilometres of drowned landscapes that were once available for occupation in Australia, and where a major part of its human history must lie waiting to be discovered.

SUBMITTER: Benjamin J

PROVIDER: S-EPMC7329065 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Aboriginal artefacts on the continental shelf reveal ancient drowned cultural landscapes in northwest Australia.

Benjamin Jonathan J O'Leary Michael M McDonald Jo J Wiseman Chelsea C McCarthy John J Beckett Emma E Morrison Patrick P Stankiewicz Francis F Leach Jerem J Hacker Jorg J Baggaley Paul P Jerbić Katarina K Fowler Madeline M Fairweather John J Jeffries Peter P Ulm Sean S Bailey Geoff G

PloS one 20200701 7

This article reports Australia's first confirmed ancient underwater archaeological sites from the continental shelf, located off the Murujuga coastline in north-western Australia. Details on two underwater sites are reported: Cape Bruguieres, comprising > 260 recorded lithic artefacts at depths down to -2.4 m below sea level, and Flying Foam Passage where the find spot is associated with a submerged freshwater spring at -14 m. The sites were discovered through a purposeful research strategy desi ...[more]

PMID: 32609779

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Project description:BackgroundAttention to culture and its impact on health care can improve the quality of care given, add to our understanding of health care among culturally diverse populations, and encourage a more holistic approach to health care within general care. Connection to culture is important to Aboriginal peoples, and integrating Aboriginal culture into general care in residential aged care facilities may contribute to improving care delivery and outcomes for residents. The literature to date revealed a lack of understanding of the capacity of residential aged care and the health practices of carers in relation to providing cultural care for Aboriginal people. This study aimed to explore how cultural care needs are maintained for Aboriginal residents from their own and their carers' perspectives.MethodsApplying an Aboriginal centered research method, an Interpretive Descriptive Approach was used as a theoretical framework to explore data in this study. Semi structured audio-recorded interviews were conducted. An additional file provides a complete description of the interview questions used as a guide for the study [see Additional file 1]. Three Residential Aged Care Centres, in South Australia were used i.e., two rural from centres and one urban metropolitan centre. Seven Aboriginal residents and 19 carers participated in interviews. Data was transcribed and an interpretive analysis was employed to code the transcribed data for themes and sub-themes. The study was guided by an Aboriginal community advisory group with an aim to work under the principle of reciprocity; giving back to the communities, participants and those where the research results may have been relevant.ResultsThree themes emerged from the views of the residents and carers: (i) lack of resources and funding; (ii) care practice; and (iii) marginalisation of Aboriginal culture within aged care facilities.ConclusionThe findings suggest that carers and residents believe cultural inclusion in general care practices may enrich Aboriginal residents' daily life, health and well-being in residential aged care facilities. This study may provide carers, aged care centre managers and policy makers with information on the need of resources, funding, organised care plan and management, and cultural competency of carers to be considered to improve Aboriginal aged care protocols for integrating cultural care into practice.

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Aboriginal artefacts on the continental shelf reveal ancient drowned cultural landscapes in northwest Australia.

Publications

Aboriginal artefacts on the continental shelf reveal ancient drowned cultural landscapes in northwest Australia.

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