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HomeHomework HelpbiologyEcosystem Succession

Ecosystem Succession

Ecosystem succession refers to the gradual process of change and development in an ecological community over time, which can occur in two forms: primary succession, where life begins in a previously uninhabited environment (such as after a volcanic eruption), and secondary succession, which occurs in areas where a disturbance has destroyed an existing community but left the soil intact (such as after a forest fire).

intermediate
2 hours
Biology
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Overview

Ecosystem succession is a fundamental ecological process that describes how ecosystems evolve over time. It can be categorized into primary succession, which occurs in lifeless areas, and secondary succession, which takes place in previously disturbed ecosystems. Understanding these processes is cru...

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Key Terms

Primary Succession
The development of an ecosystem in a previously uninhabited area.

Example: Primary succession occurs on bare rock after a volcanic eruption.

Secondary Succession
The recovery of an ecosystem after a disturbance that does not destroy the soil.

Example: Secondary succession happens after a forest fire.

Pioneer Species
First organisms to colonize a barren environment.

Example: Lichens are often pioneer species on bare rock.

Climax Community
A stable and mature ecosystem that has reached its final stage of succession.

Example: A mature oak forest is an example of a climax community.

Biodiversity
The variety of life in a particular habitat or ecosystem.

Example: High biodiversity in a rainforest supports many species.

Disturbance
An event that disrupts ecosystem structure and function.

Example: Hurricanes can cause significant disturbances in coastal ecosystems.

Related Topics

Ecological Restoration
The process of assisting the recovery of an ecosystem that has been degraded or destroyed.
intermediate
Biodiversity Conservation
Efforts to protect and preserve the variety of life on Earth.
intermediate
Climate Change Impact on Ecosystems
How climate change affects ecosystem dynamics and species interactions.
advanced

Key Concepts

Primary SuccessionSecondary SuccessionPioneer SpeciesClimax Community