Succession: Psammosere

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 (Term #88: Succession)



Definition: Ecological succession refers to changes in ecosystems over time. Primary succession is building an ecosystem "from scratch" in a new location; secondary succession is the development of an ecosystem in a location where there previously was life after a disaster or major change in the habitat.


Explanation: This photograph shows primary succession on sand (psammosere). Plants slowly spread from existing populations onto newly exposed sand.

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