A late Pleistocene steppe bison (Bison priscus) partial carcass from Tsiigehtchic, Northwest Territories, Canada Export

@article{citeulike:5134336, abstract = {A partial steppe bison ( Bison priscus ) carcass was recovered at Tsiigehtchic, near the confluence of the Arctic Red and Mackenzie Rivers, Northwest Territories, Canada in September of 2007. The carcass includes a complete cranium with horn cores and sheaths, several complete post-cranial elements (many of which have some mummified soft tissue), intestines and a large piece of hide. A piece of metacarpal bone was subsampled and yielded an AMS radiocarbon age of 11,830 ± 45  14 C yr BP (OxA-18549). Mitochondrial DNA sequenced from a hair sample confirms that Tsiigehtchic steppe bison ( Bison priscus ) did not belong to the lineage that eventually gave rise to modern bison ( Bison bison ). This is the first radiocarbon dated Bison priscus in the Mackenzie River valley, and to our knowledge, the first reported Pleistocene mammal soft tissue remains from the glaciated regions of northern Canada. Investigation of the recovery site indicates that the steppe bison was released from the permafrost during a landslide within unconsolidated glacial outwash gravel. These data indicate that the lower Mackenzie River valley was ice free and inhabited by steppe bison by 11,800  14 C years ago. This date is important for the deglacial chronology of the Laurentide Ice Sheet and the opening of the northern portal to the Ice Free Corridor. The presence of steppe bison raises further potential for the discovery of more late Pleistocene fauna, and possibly archaeological evidence, in the region.}, author = {Zazula, Grant D. and Mackay, Glen and Andrews, Thomas D. and Shapiro, Beth and Letts, Brandon and Brock, Fiona}, citeulike-article-id = {5134336}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.quascirev.2009.06.012}, citeulike-linkout-1 = {http://linkinghub.elsevier.com/retrieve/pii/S0277379109002054}, day = {11}, doi = {10.1016/j.quascirev.2009.06.012}, issn = {02773791}, journal = {Quaternary Science Reviews}, keywords = {200907, bison, canada, paleontologie-des-vertebres, pleistocene-superieur}, month = {July}, posted-at = {2009-07-17 10:23:13}, priority = {2}, title = {A late Pleistocene steppe bison (Bison priscus) partial carcass from Tsiigehtchic, Northwest Territories, Canada}, url = {http://dx.doi.org/10.1016/j.quascirev.2009.06.012}, year = {2009} }

TY - JOUR ID - citeulike:5134336 L3 - citeulike-article-id:5134336 N2 - A partial steppe bison ( Bison priscus ) carcass was recovered at Tsiigehtchic, near the confluence of the Arctic Red and Mackenzie Rivers, Northwest Territories, Canada in September of 2007. The carcass includes a complete cranium with horn cores and sheaths, several complete post-cranial elements (many of which have some mummified soft tissue), intestines and a large piece of hide. A piece of metacarpal bone was subsampled and yielded an AMS radiocarbon age of 11,830 ± 45  14 C yr BP (OxA-18549). Mitochondrial DNA sequenced from a hair sample confirms that Tsiigehtchic steppe bison ( Bison priscus ) did not belong to the lineage that eventually gave rise to modern bison ( Bison bison ). This is the first radiocarbon dated Bison priscus in the Mackenzie River valley, and to our knowledge, the first reported Pleistocene mammal soft tissue remains from the glaciated regions of northern Canada. Investigation of the recovery site indicates that the steppe bison was released from the permafrost during a landslide within unconsolidated glacial outwash gravel. These data indicate that the lower Mackenzie River valley was ice free and inhabited by steppe bison by 11,800  14 C years ago. This date is important for the deglacial chronology of the Laurentide Ice Sheet and the opening of the northern portal to the Ice Free Corridor. The presence of steppe bison raises further potential for the discovery of more late Pleistocene fauna, and possibly archaeological evidence, in the region. JF - Quaternary Science Reviews SN - 02773791 TI - A late Pleistocene steppe bison (Bison priscus) partial carcass from Tsiigehtchic, Northwest Territories, Canada KW - 200907 KW - bison KW - canada KW - paleontologie-des-vertebres KW - pleistocene-superieur AU - Zazula, Grant AU - Mackay, Glen AU - Andrews, Thomas AU - Shapiro, Beth AU - Letts, Brandon AU - Brock, Fiona PY - 2009/07/11/ UR - http://dx.doi.org/10.1016/j.quascirev.2009.06.012 ER -