Coarse substrate is composed of 80% or more of gravel, or 5% or more gravel with 90% or more sand.

Source:

Emodnet, European Marine Observation and Data Network (2017). "EUSeaMap. A European broad-scale seabed habitat map". Retrieved from ifremer.fr, on 2022-03-15.

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This page was last edited on 15 March 2022, at 08:58. Content is available under GPLv3 unless otherwise noted.