succession a community change in which new population of organisms replace existing ones

Succession A community change in which new population of organisms replace existing ones

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Succession

A community change in which new population of organisms replace

existing ones

What causes succession?

• Fires• Mining• Agriculture• Logging• Catastrophic events (floods, earthquakes, volcanic

activity etc.)

The first 4 bullets above are examples ofSecondary succession, the 5th, primary succession

Page 3: Succession A community change in which new population of organisms replace existing ones

Secondary succession

• Has established soils. This is not the case with primary succession.

Page 4: Succession A community change in which new population of organisms replace existing ones

Sketch Primary Succession

Page 5: Succession A community change in which new population of organisms replace existing ones

Each stage along the wayis called a seral stage. Thereare 5 seral stages shown.

Page 6: Succession A community change in which new population of organisms replace existing ones

The first group of organisms to occupy the area is :

Pioneer Community

Page 7: Succession A community change in which new population of organisms replace existing ones

Examples of these organisms:

• Lichens• Algae• Moss

Page 8: Succession A community change in which new population of organisms replace existing ones

Climax community

• Use this word bank to complete the bottom of your hand out.

• Well-adapted• Stable• Slows down• competing

Page 9: Succession A community change in which new population of organisms replace existing ones

ECOLOGICAL SUCCESSION

Page 10: Succession A community change in which new population of organisms replace existing ones

Beach Succession

Mastitis Organisms Contagious organisms Environmental organisms “Oddball” organisms

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