Drop-Down Video North Wales Survey 2012 dataset https://portal.medin.org.uk/portal/start.php?tpc=007_NRW_DS115296 Drop down video survey of seabed off the north coast of Pen Llyn and in Tremadog Bay, North Wales, carried out by Countryside Council for Wales (CCW) in 2012. The dataset comprises of 26 video tows each of approximately 10 minutes in length with a set of still images that are taken approximately every 10 seconds along the length of the tow. Videos and stills subsequently analysed by Coastal Assessment, Liaison and Monitoring, under contract to CCW, to describe habitats, species and biotopes. The purpose of this data capture was to improve CCW's seabed habitat maps in those areas. 4 sites off the north coast of Pen Llyn, between Porth Dinllaen and Porth Colman, and 22 sites distributed around the northern half of Tremadog Bay. 20121130