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8 Cards in this Set
- Front
- Back
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taxon
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primary space holder in an ecosystem
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disturbance
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a discrete event that frees resources and opens up habitat by killing or removing organisms
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succession
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sequential changes, following disturbance, in the dominant biota occupying and affecting a site
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primary succession
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on truly bare (sterilized)
space--volcanic lava field; rock exfoliation, receding glaciers |
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secondary succession
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space has been opened and de-populated, but some residual biota has survived (more common than primary succession)
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early successional species
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good dispersers, fast growing, allocation to growth and progeny (r-selected), no defensive or competitive ability
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late successional species
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poorer dispersers, slower growing but better competitors and/or better defended (K selected)
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climax successional species
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last successional stage, new individuals can recruit con-specific adults
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