Search Results - "Dale Guthrie, R"

New carbon dates link climatic change with human colonization and Pleistocene extinctions by Dale Guthrie, R

“…Drastic ecological restructuring, species redistribution and extinctions mark the Pleistocene–Holocene transition, but an insufficiency of numbers of…”
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Rapid body size decline in Alaskan Pleistocene horses before extinction by Dale Guthrie, R

“…About 70% of North American large mammal species were lost at the end of the Pleistocene epoch. The causes of this extinction-the role of humans versus that of…”
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Faunal record identifies Bering isthmus conditions as constraint to end-Pleistocene migration to the New World by Meiri, Meirav, Lister, Adrian M., Collins, Matthew J., Tuross, Noreen, Goebel, Ted, Blockley, Simon, Zazula, Grant D., van Doorn, Nienke, Dale Guthrie, R., Boeskorov, Gennady G., Baryshnikov, Gennady F., Sher, Andrei, Barnes, Ian

“…Human colonization of the New World is generally believed to have entailed migrations from Siberia across the Bering isthmus. However, the limited…”
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Radiocarbon evidence of mid-Holocene mammoths stranded on an Alaskan Bering Sea island by Dale Guthrie, R

“…Island colonization and subsequent dwarfing of Pleistocene proboscideans is one of the more dramatic evolutionary and ecological occurrences, especially in…”
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Origin and causes of the mammoth steppe: a story of cloud cover, woolly mammal tooth pits, buckles, and inside-out Beringia by Dale Guthrie, R

“…To account for the vastness of the northern arid steppes during Glacial episodes, I propose the proximate key variable was simply frequent clear skies. This…”
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Regional differences in bone collagen δ13C and δ15N of Pleistocene mammoths: Implications for paleoecology of the mammoth steppe by Szpak, Paul, Gröcke, Darren R., Debruyne, Regis, MacPhee, Ross D.E., Guthrie, R. Dale, Froese, Duane, Zazula, Grant D., Patterson, William P., Poinar, Hendrik N.

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Spatial Response of Mammals to Late Quaternary Environmental Fluctuations by Graham, Russell W., Lundelius, Ernest L., Graham, Mary Ann, Schroeder, Erich K., Toomey, Rickard S., Anderson, Elaine, Barnosky, Anthony D., Burns, James A., Churcher, Charles S., Grayson, Donald K., Guthrie, R. Dale, Harington, C. R., Jefferson, George T., Martin, Larry D., McDonald, H. Gregory, Morlan, Richard E., Semken, Holmes A., Webb, S. David, Werdelin, Lars, Wilson, Michael C.

“…Analyses of fossil mammal faunas from 2945 localities in the United States demonstrate that the geographic ranges of individual species shifted at different…”
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Mycological evidence of coprophagy from the feces of an Alaskan Late Glacial mammoth by van Geel, Bas, Guthrie, R. Dale, Altmann, Jens G., Broekens, Peter, Bull, Ian D., Gill, Fiona L., Jansen, Boris, Nieman, Aline M., Gravendeel, Barbara

“…Dung from a mammoth was preserved under frozen conditions in Alaska. The mammoth lived during the early part of the Late Glacial interstadial (ca 12,300 BP)…”
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New carbon dates link climatic change with human colonization and Pleistocene extinctions by Guthrie, R Dale

“…Drastic ecological restructuring, species redistribution and extinctions mark the Pleistocene-Holocene transition, but an insufficiency of numbers of…”
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Faunal record identifies Bering isthmus conditions as constraint to end-Pleistocene migration to the New World by Meiri, Meirav, Lister, Adrian M., Collins, Matthew J., Tuross, Noreen, Goebel, Ted, Blockley, Simon, Zazula, Grant D., van Doom, Nienke, Guthrie, R. Dale, Boeskorov, Gennady G., Baryshnikov, Gennady F., Sher, Andrei, Barnes, Ian

“…Human colonization of the New World is generally believed to have entailed migrations from Siberia across the Bering isthmus. However, the limited…”
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Radiocarbon evidence of mid-holocene mammoths shanded on an Alaskan Bering Sea island by GUTHRIE, R. Dale

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Ice Age Cave Faunas of North America. Based on a symposium held in Sullivan, Missouri, Summer 1997. Life of the Past. Edited by Blaine W  Schubert, Jim I  Mead , and , Russell W  Graham. Bloomington (Indiana): Indiana University Press . $65.00. xv + 299 p; ill.; index. ISBN: 0–253–34268–6. 2003 by Guthrie, R Dale

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Paleoecological Significance of Mummified Remains of Pleistocene Horses from the North Slope of the Brooks Range, Alaska by Guthrie, R. Dale, Stoker, Samuel

“…Radiocarbon dates from horse fossils found on the North Slope of Alaska show that horses did live there during the last peak glacial (Duvanny Yar Interval,…”
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Regional differences in bone collagen δ 13C and δ 15N of Pleistocene mammoths: Implications for paleoecology of the mammoth steppe by Szpak, Paul, Gröcke, Darren R., Debruyne, Regis, MacPhee, Ross D.E., Guthrie, R. Dale, Froese, Duane, Zazula, Grant D., Patterson, William P., Poinar, Hendrik N.

“…In this study, we present bone collagen δ 13C and δ 15N values from a large set of Pleistocene woolly mammoths ( Mammuthus primigenius) from Siberia, Alaska…”
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Ecological, Sedimentary, and Geochemical Evolution of the Late-Glacial to Postglacial Amose Lacustrine Basin, Denmark. Nanna Noe-Nygaard by Guthrie, R. Dale

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Pleistocene, Holocene and Recent Bird Gastroliths from Interior Alaska by Hoskin, Charles M., Guthrie, R. Dale, Hoffman, Barry L. P.

“…Polished and rounded grains of quartz, secondary quartz and chert have been found in loess and peat in interior Alaska. The intermediate diameter of these…”
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On the mammoth's dusty trail. (frozen Ice Age fossils) by Guthrie, R. Dale, Guthrie, Mary Lee

“…During the most recent Ice Age, diverse animal species flourished in the vast northern grassland that connected North America and Asia. A 36,000-year-old…”
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New paleoecological and paleoethological information on the extinct helmeted muskoxen from Alaska by Guthrie, R. Dale

“…A newly discovered horn sheath is described for the extinct helmeted muskox, Bootherium. This is the first complete female horn sheath described for that…”
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Ice Age Cave Faunas of North America.Based on a symposium held in Sullivan, Missouri, Summer 1997. Life of the Past by Guthrie, R Dale

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Ecological, Sedimentary, and Geochemical Evolution of the Late-Glacial to Postglacial Amose Lacustrine Basin, Denmark by Guthrie, R. Dale

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