. . . . "accepted"@en . "An artificial colonisation substrate made of a sheet of PVC with engraved lines to roughen its surface. It is used to determine the extent of colonisation and/or the diversity of settled organisms in a marine or artificial environment."@en . "Grooved PVC substrate" . "Grooved PVC substrate"@en . "Custom-made grooved polyvinyl chloride settlement plate"@en . . "SDN:L22::TOOL1417" . . . . . . . . . .