Succession Process by which one community replaces another, mostly by predictable and orderly changes in the composition o...
Types
Primary succession <ul><li>Development of a community starting from bare rock. </li></ul><ul><li>Part of process of soil f...
Secondary succession <ul><li>due to disturbance of an existing community </li></ul>cc licensed flickr photo by pinegar: ht...
Pioneer plants <ul><li>First plants to grow in an area during the process of succession.  </li></ul><ul><li>In primary suc...
Climax community <ul><li>The community in an area which is a result of the process of succession.  </li></ul><ul><li>The c...
Causes of succession
Disturbance of a community <ul><li>by natural event such as forest fire, flood </li></ul><ul><li>by human actions such as ...
Growth of a new community starting from bare rock cc licensed flickr photo by wanderflechten: http://flickr.com/photos/297...
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Succession and soil formation

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Transcript of "Succession and soil formation"

  1. 1. Succession Process by which one community replaces another, mostly by predictable and orderly changes in the composition or structure of an ecological community cc licensed flickr photo by stolenbyme: http://flickr.com/photos/stolenbyme/33471969/
  2. 2. Types
  3. 3. Primary succession <ul><li>Development of a community starting from bare rock. </li></ul><ul><li>Part of process of soil formation </li></ul>cc licensed flickr photo by nbonzey: http://flickr.com/photos/thebonzey/505374606/
  4. 4. Secondary succession <ul><li>due to disturbance of an existing community </li></ul>cc licensed flickr photo by pinegar: http://flickr.com/photos/pinegar/384646425/
  5. 5. Pioneer plants <ul><li>First plants to grow in an area during the process of succession. </li></ul><ul><li>In primary succession, pioneer plants are part of the process of soil formation. </li></ul><ul><li>In secondary succession, pioneer plants colonize open spaces and stabilize (and fertilize) the soil </li></ul>cc licensed flickr photo by stolenbyme: http://flickr.com/photos/stolenbyme/33471969/
  6. 6. Climax community <ul><li>The community in an area which is a result of the process of succession. </li></ul><ul><li>The climax community is not replaced by other plants/animals, but rather maintains itself homeostatically. </li></ul><ul><li>The composition of the climax community of an ecosystem depends on the soil and other climate conditions in an area. </li></ul>cc licensed flickr photo by J. Star: http://flickr.com/photos/jstar/109974710/
  7. 7. Causes of succession
  8. 8. Disturbance of a community <ul><li>by natural event such as forest fire, flood </li></ul><ul><li>by human actions such as clearing a forest by harvesting trees </li></ul>cc licensed flickr photo by yuan2003: http://flickr.com/photos/yuan2003/1875040848/
  9. 9. Growth of a new community starting from bare rock cc licensed flickr photo by wanderflechten: http://flickr.com/photos/29750062@N06/2991832375/
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