A comprehensive biotope mapping survey of the sublittoral habitats was undertaken in July 2001, by a collaborative research group comprising staff from the University of St Andrews, Heriot-Watt University and SNH. Rapid broadscale remote acoustic mapping techniques were utilised and 'groundtruth' data were collected to enable the interpretation of of acoustically classed seafloor maps. Groundtruthing data were collected in the field using a range of sampling techniques including diver-based observations with video and still cameras (19 stations), video imagery collected by remotely operated vehicle (ROV) or drop-down video (60 stations) and grab sampling of sedimentary habitats for infaunal and sediment analyses (23 stations). It is the diver survey data which is present in Marine Recorder.
