I am interested in the diverse factors that lead to the formation and preservation of the archaeological record, and in particular have studied the impact of fauna using experimental and ecological data.
2006 The destructive potential of earthworms on the archaeobotanical record. Journal of Field Archaeology 31(2):199-202. pdf
2010 Exotic minerals or ostrich gastroliths? An alternative explanation for some evidence of hominin 'non-utilitarian behavior' at Wonderwerk Cave, South Africa. Journal of Taphonomy 8(2-3):235-242. pdf