Wednesday 27 November 2013

Mammoths and Loess: Mammoths on the Mammoth Steppe; & in Serbia

Mammoth in the Loess- A Study Group:  secretary- Dr Nemanja Tomic, LAPER, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovica 3, 21000 Novi Sad, Serbia.

N.Tomic,  S.B.Markovic,  M.Korac,  N.Mrdic,  T.A.Hose,  D.A.Vasiljevic,  M.Jovicic,  M.B.Gavrilov.  2015.  Exposing mammoths: from loess research discovery to public palaeontological park.  Quaternary International 372, 142-150.



Distribution of mammoths; compare to distribution of loess lands..

R.Dale Guthrie 2001  Origin and causes of the mammoth steppe: a story of cloud cover, woolly mammoth tooth pits, buckles and inside-out Beringia. Quaternary Science Reviews 20, 549-574.
"...during the last full glacial(LGM) say 18000 BP, most of the north was unimaginably arid..  rivers were reduced to streams...  loess sheets, sand seas, dune fields and wind were common features of this aridity; therefore Pleistocene skies must have been often dusty..."

D.A.Walker, J.G.Bockheim, F.S.Chapin III, W.Eugster, F.E.Nelson, C.L.Ping  2001  Calcium-rich tundra, wikldlife and the 'Mammoth Steppe'. Quaternary Science Reviews 20, 149-163.
"These so-called Mammoth Steppes probably had the following properties (1) more fertile soils that formed as a result of the continual input of loess..."

The mammoth steppe was the habitat of the Woolly Mammoth. The Mammoth flourished in this region; it was a remarkably successful animal. Large amounts of mammoth bones have been found in the loess of (e.g) Ukraine; the mammoths had an affinity for loess terrain. Was the entire expanse of the Mammoth Steppe in effect a huge loessial plain? This was how Keilhack showed it in 1920 and the more detailed map of Scheidig 1934 shows vast loessic expanses. Current discoveries of mammoth remains are often made in the 'yedoma' soils of Siberia. It has been suggested that yedoma is a loess variant.
The Frenzel map of 1960 of loess in Eurasia covers the entire mammoth steppe and displays a widespread distribution of loess. So, what was the relationship of the mammoth to the loess. Was the loess ground the place where the best fodder grew? How did they cope with the dusty Pleistocene skies?

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