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Coccolithophore Maximum Layer (Biotic Group)

Component: Biotic

Unique Identifier: 473

Biotic Setting Planktonic Biota
Biotic Class Phytoplankton
Biotic Subclass Coccolithophore Phytoplankton
Biotic Group Coccolithophore Maximum Layer
Biotic Community Crenalithus Maximum Layer

Definition Relatively thin layer dominated by coccolithophores at depth in the water column where nutrients are optimal. Coccolithophores are not generally found at depth; however, when surface nutrients are depleted and the water column is clear, some instances of a deeper maximum in the epipelagic layer have been noted.