Fig. 2: Optical micrographs showing the distribution characteristics of biodeposits and corroded areas on the celadon surface of the glaze.

a Comparative OM before and after barnacle removal. b Comparative OM before and after red coral removal. c Comparative OM before and after Rhizocaulus organism removal. d Comparative OM before and after bryozoan removal. e Imaging area of OM on the sample surface.