"A biogenic structure is formed when reef-forming species, such as cold water corals, attach to any hard substrate present and grow over the surrounding area forming a secondary substrate over the top. This changes the composition of the associated community as it provides a stable surface for epifauna to attach. Biogenic structure includes only areas where the seafloor is completely covered, not isolated structures, such as sponge aggregations or discrete corals."
Source:
JNCC (2015). "The Marine Habitat Classification for Britain and Ireland Version 15.03". Retrieved from: https://mhc.jncc.gov.uk, accessed on 2022-02-17.
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