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Ecological Succession

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Presentation on theme: "Ecological Succession"— Presentation transcript:

1 Ecological Succession
The series of predictable changes that occur in a community over time.

2 Primary Succession: Development of a plant community on a bare surface
Fresh rock surface after landslide New lake after dam construction Volcanic eruption

3 Primary Succession

4 Secondary Succession Development of a plant community following disturbance Abandoned fields Timber harvest Fire Windstorm Flooding

5 Secondary Succession

6 Pioneer Stage - first plants that come into community –easy to grow with minimal nutrients Weeds, wildflowers, grasses Eutrophication – process of adding nutrients to community. A few plants can now catch onto soil.

7 Early / Mid / Late Seral Stages –
Replace each other by creating conditions that are unfavorable to the present stage and favorable to the next stage Shrubs and small trees

8 Climax Stage – Final stage – will not be replaced by any other communities Oak/Hickory forests


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