Plot of δ13C and δ15N values for the individuals at Tauste.

Ecosystem boxes are based on faunal data reported by [90] and [92]. Field values are corrected for trophic level effect. 1–9 corresponds to coetaneous Muslim and Christian populations in the Iberian Peninsula: (1) Zornostegui 12th-14th centuries, (2) Aistra 8th-9th centuries, (3) Zaballa 10th-15th centuries, (4) Treviño 12th-14th centuries, (5) Jaca 13th-15th centuries (6) Valencia 14th-15th centuries (7) Albarracín 10th-12th centuries (8) Zaragoza 10th-12th centuries; (9) Benipeixcar 15th-16th centuries (1)-(4) [93], (5)-(8) [94], (9) [95].