IOW Natural History & Archaeological Society Marine Invertebrate Records 1853- 2011

Quality Control

Records from 1980s and onwards have been checked and confirmed by a local expert; prior to this the records have been scrutinised and assisgned to taxons in line with recent taxomonic developments

Method steps

1. Historic data before 1970s has come from books and journals. Data from the last 40 years has mostly come from ad hoc field survey by local experts and enthusiasts, though there have been some targetted surveys, including surveys done for the Nature Conservancy Council

Isle of Wight and nearby waters. The records are largely ad-hoc and coverage is incomplete. The records in this dataset were provided with four or six figure grid-references but these grid references refer to the approximate central location of sites and hence may not represent the actual location of the species occurrence.