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A climax community that has been disturbed by various influences, especially by humans and domestic animals, such as a grassland community that has been altered to desert by overgrazing.
(Environmental Science) ecology a climax community resulting from the activities of man or domestic animals in climatic and other conditions that would otherwise support a different type of community
a stable ecological community that has replaced the normal climax in a given area owing to ecological disturbance, esp. by human activity.