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Chrysophyte Maximum Layer (Biotic Group)

Component: Biotic

Unique Identifier: 470

Biotic Setting Planktonic Biota
Biotic Class Phytoplankton
Biotic Subclass Chrysophyte Phytoplankton
Biotic Group Chrysophyte Maximum Layer
Biotic Community Dinobryon maximum Layer

Definition Relatively thin layer dominated by chrysophytes at depth in the water column; some chrysophytes are flagellated and can adjust their position in the water column. These and other plankton form maxima at depths where nutrients are in optimal concentrations.