Sightings and strandings of both dead and alive marine turtles in the British Isles and the Republic of Ireland.

The results of dive surveys carried out by Purbeck Marine Research Unit, Canford School during 1994 and 1995 to record the distribution of Ross Coral <i>Pentapora foliacea</i> at the eastern limit of its range off the Dorset Coast.

This dataset contains records of cnidaria, decadopa and echinoderms for shores and inshore waters in the vicinity of the Isle of Wight. Some data is historical but new sightings are being added to the dataset. Therefore it is not yet complete.

This dataset comprises a collection of records of marine organisms, collated by Norman and Florence Hammond before 2005.

Recording Invasive Species Counts (RISC) alongside ALERT was launched in 2010 and includes on-line recording for 19 species including the Chinese Mitten Crab <i>Eriocheir sinensis</i>, Wakame <i>Undaria pinnatifida</i> and Carpet Sea Squirt <i>Didemnum vexillum</i>. The data is predominantly provided by members of the public but records are verified from photos by designated experts. No additional attribute data is included for the Carpet Sea Squirt. The recording forms for Chinese Mitten Crab and Wakame includes the option to provide abundance. Additionally for the Chinese Mitten Crab information on whether it is dead or alive is recorded and for Wakame attachment method (attached to boat, attached to other man-made surface, attach to natural surface or detached) is recorded.

The Seabird 2000 dataset is a full census of all of the breeding seabirds in Britain and Ireland. The data was gathered by over 1000 surveyors mainly between the years 1999 and 2003 from both coastal and inland colonies.

Marine biological surveys of seabed and shore habitats in four areas exposed to strong tidal currents around southwest and northwest Wales, made in summer 2002 and 2003.

The survey represents the first systematic study of divers, grebes, seaduck, cormorant, shag and auks within these sea areas.

This survey was carried out to gather information regarding the numbers and distribution of Crawfish throughout Britain and Ireland. The dataset consists of records of sightings of <i>Palinurus elephas</i> by scuba divers.