1978 - 2009 Chris Mandry Lundy North Devon scallop Pecten maximus monitoring scuba dives timed search

Scallop monitoring at Lundy carried out by Chris Mandry from North Devon. The numbers of scallops (over 100mm) collected over a 20 minute period (observations per minute) whilst Scuba diving where recorded each year between 1978 and 2009. Volunteer records of Scallops Monitoring at Lundy between 1978 and 2009. 202 monitoring divers were undertaken between a depth range of 19.1 and 29.9m. Yearly figures are given in observations per dive/ per minute.