Figure 3

Concentrations of radionuclides in soft tissues of the Japanese grata limpet (Cellana grata) and the rock shell (Thais clavigera) collected in 2012.
Red horizontal lines on x-axis indicate sites located within a 20-km radius of the Fukushima Daiichi Nuclear Power Plant (FDNPP). Numbers on the horizontal axis indicate sampling locations (see Supplementary Table S2).