ecological succession ecological succession – the gradual change of species composition in a given...
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ECOLOGICAL SUCCESSION
• Ecological Succession – the gradual change of species composition in a given area
• Two main types of ecological succession
– Primary (beginning from bare rock) – long time• Example: Volcanic Eruption destroys vegetation ecosystem has to develop
from bare rock
– Secondary (beginning from soil) – short time• Example: Forest Fire destroys all vegetation ecosystem has to develop from
remain soil
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ECOLOGICAL SUCCESSION
Pioneer Species – first organisms to show upPrimary Succession Examples
Mosses Lichens
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Ecological Succession
Pioneer Species – first organisms to show upSecondary Succession Examples
Annual Weeds
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Ecological Succession
Climax Species – last organisms to show upPrimary Succession Examples
Balsam FirPaper BirchWhite Spruce
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Ecological Succession
Climax Species – last organisms to show upSecondary Succession Examples
OakHickory
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Ecological Succession Videos
Succession Video – http://www.youtube.com/watch?v=V49IovRSJDs
TXPWD quail – http://www.youtube.com/watch?v=c2WsEGY2Ctk