1 Graduate School Human Development in Landscapes, Christian-Albrechts Universität zu Kiel, Leibnizstrasse 3, 24118, Kiel, Germany. ventrescamiller@shh.mpg.de.
2 Archaeological Stable Isotope Laboratory, Institute of Prehistoric and Protohistoric Archaeology, Christian-Albrechts Universität zu Kiel, Johanna Mestorf Strasse 2-6, 24118, Kiel, Germany. ventrescamiller@shh.mpg.de.
3 Department of Archaeology, Max Planck Institute for the Science of Human History, Kahlaische Strasse 10, 07745, Jena, Germany. ventrescamiller@shh.mpg.de.
4 Graduate School Human Development in Landscapes, Christian-Albrechts Universität zu Kiel, Leibnizstrasse 3, 24118, Kiel, Germany. c.makarewicz@ufg.uni-kiel.de.
5 Archaeological Stable Isotope Laboratory, Institute of Prehistoric and Protohistoric Archaeology, Christian-Albrechts Universität zu Kiel, Johanna Mestorf Strasse 2-6, 24118, Kiel, Germany. c.makarewicz@ufg.uni-kiel.de.