Fig. 7

Human and animal δ13C and δ15N bone collagen isotope signature from Iron Age sites: Eton College Rowing Course, Yarnton (Lightfoot et al. 2009), Hampshire (Jay and Richards 2007b), Glastonbury (Jay 2008), Wetwang (Jay and Richards 2006), Cornwall (Jay and Richards 2007b), East Lothian (Jay and Richards 2007b), Poundbury (Richards et al. 1998), Dorset (Redfern et al. 2010) and Danebury (Lightfoot and Stevens 2012; Stevens et al. 2010). Only animals from Eton and Yarnton are including in graph. See Electronic supplementary data file for animal isotope results from other Iron Age sites