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Microphytobenthos (Biotic Group)

Component: Biotic

Unique Identifier: 548

Biotic Setting Benthic/Attached Biota
Biotic Class Microbial Communities
Biotic Subclass Mat/Film Forming Microbes
Biotic Group Microphytobenthos
Biotic Community Diatom Felt
Microbial Stain

Definition Areas dominated by a visible accumulation of benthic diatoms, cyanobacteria, unicellular algae, and other single-celled organisms. These may appear at the surface of the substrate in the form of either (a) a thin film or stain or (b) a thicker crust or "felt." These forms may occur on rock or unconsolidated substrates in subtidal, intertidal, or supratidal areas.