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Type: Journal article
Title: Ancient DNA from bulk bone reveals past genetic diversity of vertebrate fauna on Kangaroo Island, Australia
Author: Seersholm, F.V.
Grealy, A.
McDowell, M.C.
Cole, T.L.
Arnold, L.J.
Prideaux, G.J.
Bunce, M.
Citation: Quaternary Science Reviews: the international multidisciplinary research and review journal, 2021; 262:1-9
Publisher: Elsevier
Issue Date: 2021
ISSN: 0277-3791
Statement of
Frederik V.Seersholma, Alicia Grealy, Matthew C.McDowell, Theresa L. Cole, Lee J.Arnold, Gavin J.Prideaux, Michael Bunce
Abstract: It is indisputable that much of Australia's modern biodiversity decline was triggered by European settlement. However, the driver(s) of pre-European extinctions and extirpations are more challenging to identify, particularly on islands where animals are faced with the additional pressures imposed by isolation. Kangaroo Island, South Australia, has been identified as a potential haven for the reintroduction of endangered animals, but the genetic relationship between reintroduction candidates on the mainland and their extinct relatives on Kangaroo Island is poorly understood. Here, we present a late Pleistocene to mid-Holocene genetic record from Kangaroo Island based on bulk bone metabarcoding of two thousand bone fragments excavated from Kelly Hill Cave. We detect 33 species of bird, reptile, fish and mammal and report additional intra-specific genetic diversity in Kangaroo Island's now extinct population of spotted-tailed quoll. Furthermore, we provide genetic evidence that the Eastern grey kangaroo formerly inhabited Kangaroo Island. Taken together, these data establish a more complete baseline of local biodiversity against which reintroduction programmes and bushfire recovery measures can be evaluated, which is more important than ever in light of the recent fires that devastated much of Kangaroo Island's flora and fauna.
Keywords: Ancient DNA; metabarcoding; bulk bone; paleoenvironmental reconstruction; environmental DNA; palaeontology; Kangaroo island
Rights: © 2021 Elsevier Ltd. All rights reserved.
DOI: 10.1016/j.quascirev.2021.106962
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Appears in Collections:Aurora harvest 4
Geology & Geophysics publications

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