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Deforestation
 

Deforestation

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Deforestation Deforestation Presentation Transcript

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