Relict permafrost preserves megafauna, insects, pollen, soils and pore-ice isotopes of the mammoth steppe and its collapse in central Yukon

Alistair Monteath, Svetlana Kuzmina, Matthew E. Mahony, Fabrice Calmels, Trevor J. Porter, Rolf W. Mathewes, Paul Sanborn, Grant D. Zazula, Beth Shapiro, Tyler J. Murchie, Hendrik N. Poinar, Tara Sadoway, Elizabeth Hall, Susan Hewitson, Duane Froese