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Coralline/Crustose Algal Bed (Biotic Group)

Component: Biotic

Unique Identifier: 560

Biotic Setting Benthic/Attached Biota
Biotic Class Aquatic Vegetation Bed
Biotic Subclass Benthic Macroalgae
Biotic Group Coralline/Crustose Algal Bed
Biotic Community Hildenbrandia Communities
Lithothamnion Communities
Lithophyllum Communities
Peyssonnelia Communities
Porolithon Communities
Phymatolithon Communities

Definition Areas dominated by coralline or crustose algae that incorporate calcium carbonate into their tissues and form crusts on the substrate in many marine environments. Coralline algae can be attached or unattached (as in the rhodoliths that form nodules, which can occur in loose accumulations on the substrate). In the attached algae, the thalli are fixed to the substrate. Coralline/Crustose algae that occur in a reef setting are included in the Colonized Shallow and Mesophotic Reef biotic group.