Fig. 2. Number of E. coli (100 g1) detected in blue mussels (Mytilus edulis) collected at Askerholmen (Åfjord, Station 1., Fig. 1) and Kaland (Inner Hardanger, Station 4., Fig. 1)
between 2007 and 2012. Red horizontal line shows the limit for an A area of 230 E. coli 100 g1. (For interpretation of the references to colour in this figure legend, the reader is
referred to the web version of this article.)