Figure 4

Surface area-specific saturation remanent magnetisation (SIRM) and susceptibility of anhysteretic remanent magnetisation (χARM) of leaf samples taken from the roadside and playground sides of the tredges.
Surface area-specific saturation remanent magnetisation (SIRM) and susceptibility of anhysteretic remanent magnetisation (χARM) of leaf samples taken from the roadside and playground sides of the tredges.