Pioneer species

Definition

Pioneer species are the first organisms to colonize a barren or disturbed area. They are hardy and can survive in harsh conditions, paving the way for other species to establish themselves.

Related terms

Succession:

The process by which an ecosystem changes over time, starting with pioneer species and progressing towards a more complex community.

Primary succession: The type of succession that occurs on bare rock or newly formed land where no soil exists.

Secondary succession: The type of succession that occurs after a disturbance has cleared an existing community but left the soil intact.