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Preferred term

O horizon

Definition

[Agren & Andersson 2012] Accumulation of litter and particular decomposed plant parts on top of the mineral soil. Often sub-divided into litter (S, L and F) and humus (H) horizons. This horizon consists mostly of organic matter. In forest soils, this horizon is often called forest floor

Broader concept

soil horizon

Entry terms

O layer
organic layer

Note

[controlled by ] Staszewski 08.06.2013

Contributor

0000-0003-0631-8231

Creator

0000-0003-0631-8231

URI

http://vocabs.lter-europe.net/EnvThes/40

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Created 2/21/13, last modified 6/18/18

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