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Diatom Phytoplankton (Biotic Subclass)

Component: Biotic

Unique Identifier: 415

Biotic Setting Planktonic Biota
Biotic Class Phytoplankton
Biotic Subclass Diatom Phytoplankton
Biotic Group Diatom Aggregation
Diatom Bloom
Diatom Maximum Layer

Definition Waters dominated by Diatom Phytoplankton, single-cell algae that circulate passively or sink in the water column. This non-flagellated group possesses silica-based frustules that can form large and elaborate static appendages. They are considered desirable, high-quality food for grazers, supporting healthy food webs.