1. Succession

2. Succession – is orderly, natural changes that take place in the community of an ecosystem. Succession – is orderly, natural changes that take place in the community of an ecosystem.

4. Types of Succession: Primary succession – changes that occur on soil that has never supported life. Primary succession – changes that occur on soil that has never supported life. –Lava from volcanoes, glaciers retreating

6. Types of Succession: Secondary succession – changes that occur on soil that has supported plant life (much faster than primary succession because soil is already formed) Secondary succession – changes that occur on soil that has supported plant life (much faster than primary succession because soil is already formed) –Plants coming back after some disturbance such as forest fire or land that has been abandoned

8. Climax Community – succession eventually ends up in this stable, mature community that undergoes little or no changes Climax Community – succession eventually ends up in this stable, mature community that undergoes little or no changes –The new trees or plants coming up under the old ones are of the same species, old growth forests Pioneer Organisms – first organisms to inhabit an ecosystem Pioneer Organisms – first organisms to inhabit an ecosystem –usually grasses or lichens on rock

9. View this video clip http://vsx.onstreammedia.com/vsx/AFG/s earch/PBSPlayer?assetId=67319&ccstart= 509966&pt=1 http://vsx.onstreammedia.com/vsx/AFG/s earch/PBSPlayer?assetId=67319&ccstart= 509966&pt=1 http://vsx.onstreammedia.com/vsx/AFG/s earch/PBSPlayer?assetId=67319&ccstart= 509966&pt=1 http://vsx.onstreammedia.com/vsx/AFG/s earch/PBSPlayer?assetId=67319&ccstart= 509966&pt=1

10. Answer on notes sheet: How does the tree falling create opportunity for secondary succession? How does the tree falling create opportunity for secondary succession? What would happen here if no trees ever fell down? What would happen here if no trees ever fell down?

11. Succession today Where is succession happening in TX today? Where is succession happening in TX today? http://www.theatlantic.com/infocus/2011/ 04/texas-wildfires/100050/ http://www.theatlantic.com/infocus/2011/ 04/texas-wildfires/100050/ http://www.theatlantic.com/infocus/2011/ 04/texas-wildfires/100050/ http://www.theatlantic.com/infocus/2011/ 04/texas-wildfires/100050/

12. Mr. D’s backyard succession what it started out like

13. After clearing

14. After planting bermuda grass

15. One year later – April 2012 One year later – April 2012

16. Recently Cleared & Herbicided

17. Annual grasses Annual grasses

18. Shrubs Shrubs

19. Trees Trees

20. Hackberry tree that grew from seed in about 5-7 years

21. Just some awesome pics of what I’ve done

22. Halfway complete

23. Completed Steps Completed Steps

24. Old fence = new flower box

25. Fire pit

26. Fire Pit Complete Fire Pit Complete

27. At night