Ecological Succession Concepts

When an ecological area wins something

Life coming back to an area

Living and nonliving things in an area

Vines

Mosses

Shrubs

Trees

Nutrients

Water

Soil

light

Because it didn't remove all soil from the surrounding environment

Because it caused all soil to be removed from the environment

Because all life was able survive in the surrounding environment

A forest fire that burns the vegetation but leaves soil

A glacier (huge mas of ice) that scrapes away all the soil in an area

A hurricane that causes flooding in an area

Yes

No

begins in barren areas, such as on bare rock exposed by a retreating glacier. 

process started by an event (e.g. forest fire, harvesting, hurricane) that reduces an already established ecosystem

Secondary species

Basic Species

Pioneer species

Primary species

An ecologic community in the last stage of ecological succession after primary and secondary species have come in. 

An ecological community in the first stage of succession. 

An ecological community in the middle stage of succession where lodgepole pines take over.

Because there is no soil

There is no water.

There are no seeds