EnvThes
type: ConceptScheme

soil horizon
type: Concept
narrower: O horizon

O horizon
type: Concept
contributor: 0000-0003-0631-8231
creator: 0000-0003-0631-8231
alternative label: O layer
alternative label: organic layer
broader: soil 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
in scheme: EnvThes
note: [controlled by ] Staszewski 08.06.2013