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Organic Substrate (Substrate Class)

Component: Substrate

Unique Identifier: 304

Substrate Origin Biogenic Substrate
Substrate Class Organic Substrate
Substrate Subclass Organic Debris
Organic Detritus
Organic Mud

Definition Surface layers of substrate are primarily composed of non-living organic material, including fine or coarse organic particles up to 4,096 millimeters in any dimension. Substrates dominated by roots of live vegetation may be classified after removing the root material, and/or they may be classified by specialized methods considering, for example, below-ground biomass. Live fauna, and live flora together with their living root masses, are covered in the BC.