Ecology: Lecture 19

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Ecology Lecture 19

• Community dynamics succession

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Primary succession intertidal algae on bare
rock

• Fig. 21.4

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Secondary succession seagrass communities

• Fig. 21.13

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Cyclic replacementMichigan (old field)

• Fig. 21.14

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Shifting mosaic

• Fig. 21.15

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Succession and shifting mosaic mussel-dominated
communities
Pattern of succession (in absence of Pisaster
ochraceus)
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Succession and shifting mosaic mussel-dominated
communities (cont.)
Disturbance and patches