“…In other populations, a marine contribution to the diet is less clear, although possibly obscured by dietary breadth and, in some cases, the consumption of C 4 foods (Richards et al, 2006;Roberts et al, 2012). Like the isotope values from London and York, the results from Aalst are also remarkably similar to data from late medieval sites, in Belgium (Polet and Katzenberg, 2003) and other countries surrounding the southern North Sea, i.e., England (M€ uldner andRichards, 2005, 2007) and Denmark (Yoder, 2010(Yoder, , 2012, suggesting long-term continuity, at least in urban consumption patterns. The suggestion that fish consumption in post-Reformation England significantly declined over time (Spencer, 2004;Thirsk, 2007) is therefore not fully supported by the available evidence.…”