The effects of anthropogenic land cover change on pollen-vegetation relationships in the American Midwest - Kujawa, Ellen; Goring, Simon; Dawson, Andria; Calcote, Randy; Grimm, Eric; Hotchkiss, Sara; Jackson, Stephen; Lynch, Elizabeth; McLachlan, Jason; St-Jacques, Jeannine-Marie; Umbanhowar Jr., Charles; Williams, John (Anthropocene, 2016)