Fig. 8

Human and animal δ13C and δ15N bone collagen isotope signature from Roman sites: Eton College Rowing Course, Yarnton (Lightfoot et al. 2009), Queenford Farm (Fuller et al. 2006), Poundbury (Richards et al. 1998), Gloucester (Chenery et al. 2010) and York (Müldner and Richards 2007). Only animals from Eton and Yarnton are including in graph. See electronic supplementary data file for animal isotope results from other Roman sites