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Investigating the Antiquity of Inter-Regional Contact between Southern Yukon and the Northern Northwest Coast through an Ancient DNA Analysis of Cryogenic Wooden Biofacts Recovered from Alpine Archaeological Sites in the Northwestern Subarctic

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Advisor
Dawson, Peter C.
Author
Murchie, Tyler James
Accessioned
2015-08-07T18:25:00Z
Available
2015-11-20T08:00:34Z
Issued
2015-08-07
Submitted
2015
Other
ancient DNA
subarctic archaeology
chloroplast DNA
salix phylogeography
cryogenic archaeology
ice patch archaeology
wood DNA
aDNA
northwestern subarctic interactions
precontact alpine glacial travel
bioarchaeology
paleogenetics
wood artifacts
wood biofacts
Yukon archaeology
Subject
Archaeology
Botany
Genetics
Type
Thesis
Metadata
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Abstract
The antiquity of contact between Eyak-Tlingit in Southeastern Alaska and Athabaskans in Southern Yukon is poorly understood. Archaeological evidence of inter-regional interaction is currently confined to the Late Period, although there is ethnographic evidence of more ancient networks. The discovery of a cryogenically preserved stick (willow [Salix sp.]), from the Kluane Icefields may represent the region’s earliest evidence (2430 ± 20 14C BP) of glacial travel. Ancient DNA was used in an attempt to assess the specimen’s origin based on a phylogeographic analysis of modern Salix distributed on either side of the Saint Elias Range. DNA could not be amplified from the target specimen, leading to an investigation of the viability of paleogenetics for wooden artifacts using biofacts from alpine ice patches in Southern Yukon. A considerable lack of plastid variability was observed in modern Salix ssp., although three loci were identified that may be amenable to phylogeographic applications.
Corporate
University of Calgary
Faculty
Graduate Studies
Doi
http://dx.doi.org/10.5072/PRISM/26636
Uri
http://hdl.handle.net/11023/2386
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