Eventually, enough soil forms and enough nutrients become available such that a climax community, like a forest, is formed. If the site is disturbed after this point, secondary succession occurs.

This type of succession is often called secondary succession (Connell & Slayter 1977). Early successional communities are those that establish themselves relatively quickly after disturbance ...

while it is usually fully developed in secondary succession. The initial inhabitants (early serial stage) are termed pioneer community and the final stage is described as the climax community.