On the diversity and distribution of a data deficient habitat in a poorly mapped region: the case of Sabellaria alveolata L. in Ireland

Data that can be used to monitor biodiversity through time are essential for conservation and management. The reef-forming worm, Sabellaria alveolata (L. 1767) is currently classed as ‘Data deficient’ due to an imbalance in the spread of data on its distribution. Little is known about the distribution of this species around Ireland. Using data archaeology, we collated past and present distribution records and discovered that S. alveolata has a discontinuous distribution with large gaps in distribution. Many regions lack data and should be targeted for sampling. Biodiversity surveys revealed that S. alveolata supported diverse epibiotic algal communities. Retrograding (declining) reefs supported greater infaunal diversity than prograding (growing) reefs or sand, suggesting that S. alveolata is a dynamic ecosystem engineer that has a lasting legacy effect. Similar research should be carried out for other data deficient species, habitats and regions. Such data are invaluable resources for management and conservation.

Keyword(s)

Baseline data, Biodiversity, Biogenic habitat, Marine protected area, Reef, Sustained observations

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Firth Louise B., Curd Amelia, Hawkins Stephen.J., Knights Antony M., Blaze Julie A., Burrows Michael T., Dubois Stanislas, Edwards Hugh, Foggo Andy, Gribben Paul E., Grant Lisa, Harris Daniel, Mieszkowska Nova, Nunes Flavia, Nunn Julia D., Power Anne Marie, O’riordan Ruth M., McGrath David, Simkanin Christina, O’connor Nessa E. (2021). On the diversity and distribution of a data deficient habitat in a poorly mapped region: the case of Sabellaria alveolata L. in Ireland. Marine Environmental Research. 169. 105344 (11p.). https://doi.org/10.1016/j.marenvres.2021.105344, https://archimer.ifremer.fr/doc/00693/80471/

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