Andrew Bevan is Senior Lecturer in Archaeology at University College London. His primary research interests include landscape ecology, spatial and computational modeling, and archaeological fieldwork techniques. Recent publications include contributions to journals such as Antiquity, Archaeometry, Ecological Modelling, Environmental Archaeology, the Journal of Archaeological Science and the Journal of Mediterranean Archaeology. He is author of Stone Vessels and Values in the Bronze Age Mediterranean (Cambridge University Press, 2007) and co-editor (with David Wengrow) of Cultures of Commodity Branding (2010). James Conolly is Canada Research Chair in Archaeology at Trent University, Canada. His research interests span archaeology and ecology and he has published widely on the biogeography of early plant and animal domestication and on the application of spatial modeling and geographical information systems to archaeological and palaeoenvironmental datasets. He is the co-author (with Mark Lake) of Geographical Information Systems in Archaeology (Cambridge University Press, 2006) and the co-editor (with Sue Colledge) of The Origins and Spread of Domestic Plants in Southwest Asia and Europe (2007). His current research focuses on early to mid-Holocene environments and archaeology in the lower Great Lakes region of North America.