Epigeic

Definition

Referring to organisms, particularly earthworms or other soil-dwelling invertebrates, that live and feed on the surface layer of soil and organic litter.

Etymology

From Greek 'epi-', meaning 'upon', and 'ge', meaning 'earth'.

Example

Epigeic earthworms play a crucial role in decomposing organic matter on the forest floor.

Synonyms

• Surface-dwelling

Related Terms

• Endogeic
• Anecic
• Litter
• Soil

Usage Notes

Epigeic organisms are distinct from endogeic and anecic organisms, which inhabit deeper soil layers.