what is ecological succession? (ch.4.3)pnhs.psd202.org/documents/gbrest/1511972726.pdfecological...
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What is ecological
succession? (Ch.4.3)•The series of predictable changes that occurs in a community over time.
Primary Succession• It occurs when new growth/plants appear on new land or soil. For example new plants growing on newly deposited volcanic rock.
Pioneer species is the first species to colonize barren areas.
Primary succession
Secondary succession
• Occurs when there is a disruption in an existing community (where plants already live), and new species of plants come about.
• Example: After forest fire
Secondary Succession
Climax Communities
• A climax community is an ecological community that has reached the final stage of ecological succession.• Secondary Succession in a healthy ecosystem often reproduces the original
climax community
Agriculture
Invasive species
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