DEFORESTATION BY Fabian Koh & Jessica Loi
What Is Deforestation? <ul><li>Logging and/or burning of trees in forested areas </li></ul><ul><li>Clearing of trees  </li...
Importance of Forests <ul><li>Home to 50%-90% of organisms </li></ul><ul><li>Spices and medicines </li></ul><ul><li>Mainta...
Causes <ul><li>Overpopulation </li></ul><ul><li>Agriculture </li></ul><ul><ul><li>Slash and burn </li></ul></ul><ul><ul><l...
 
EFFECTS
Loss of  Biodiversity Dead fishes washed ashore at the Rajang River caused by deforestation
Erosion <ul><li>Degradation of soil </li></ul><ul><li>Formation of sediments in river </li></ul>
Flooding <ul><li>Deforestation increases the surface run-off from rainfall </li></ul><ul><li>Without forests, a greater pr...
Climate Change <ul><li>Amount of CO 2   increases. </li></ul><ul><li>2007 – 2.2 billion tons of Carbon emitted every year....
Controlling Deforestation <ul><li>Kyoto Protocol </li></ul><ul><li>New methods of farming </li></ul><ul><li>Forest managem...
What should we do as an individual? <ul><li>Practise the 5Rs </li></ul><ul><ul><li>Reduce </li></ul></ul><ul><ul><li>Reuse...
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Deforestation

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  • Story of the shark in three tanks.
  • Deforestation

    1. 1. DEFORESTATION BY Fabian Koh & Jessica Loi
    2. 2. What Is Deforestation? <ul><li>Logging and/or burning of trees in forested areas </li></ul><ul><li>Clearing of trees </li></ul>
    3. 3. Importance of Forests <ul><li>Home to 50%-90% of organisms </li></ul><ul><li>Spices and medicines </li></ul><ul><li>Maintain/Improve quality of air </li></ul><ul><li>Replenishes the atmosphere </li></ul><ul><li>Cools and regulates the Earth’s temperature </li></ul><ul><li>Prevents soil erosion & landslides </li></ul>
    4. 4. Causes <ul><li>Overpopulation </li></ul><ul><li>Agriculture </li></ul><ul><ul><li>Slash and burn </li></ul></ul><ul><ul><li>Cattle grazing </li></ul></ul><ul><ul><li>Cash crops </li></ul></ul><ul><li>Commercial & Industrial purposes </li></ul><ul><li>Others </li></ul><ul><ul><li>Building of dams </li></ul></ul><ul><ul><li>Acid rain </li></ul></ul>
    5. 6. EFFECTS
    6. 7. Loss of Biodiversity Dead fishes washed ashore at the Rajang River caused by deforestation
    7. 8. Erosion <ul><li>Degradation of soil </li></ul><ul><li>Formation of sediments in river </li></ul>
    8. 9. Flooding <ul><li>Deforestation increases the surface run-off from rainfall </li></ul><ul><li>Without forests, a greater proportion of rain falls to the ground. </li></ul>
    9. 10. Climate Change <ul><li>Amount of CO 2 increases. </li></ul><ul><li>2007 – 2.2 billion tons of Carbon emitted every year. </li></ul>
    10. 11. Controlling Deforestation <ul><li>Kyoto Protocol </li></ul><ul><li>New methods of farming </li></ul><ul><li>Forest management </li></ul><ul><li>Certification of sustainable forest management practices </li></ul><ul><li>Reforestation </li></ul>
    11. 12. What should we do as an individual? <ul><li>Practise the 5Rs </li></ul><ul><ul><li>Reduce </li></ul></ul><ul><ul><li>Reuse </li></ul></ul><ul><ul><li>Recycle </li></ul></ul><ul><ul><li>Rethink </li></ul></ul><ul><ul><li>Repair </li></ul></ul>

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