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Ecological Succession
The series of predictable changes that occur in a community over time.
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Primary Succession: Development of a plant community on a bare surface
Fresh rock surface after landslide New lake after dam construction Volcanic eruption
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Primary Succession
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Secondary Succession Development of a plant community following disturbance Abandoned fields Timber harvest Fire Windstorm Flooding
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Secondary Succession
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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.
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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
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Climax Stage – Final stage – will not be replaced by any other communities Oak/Hickory forests
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