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Sec1 - Deciduous & Coniferous Forest
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Sec1 - Deciduous & Coniferous Forest

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  • 1. Temperate Forest pg 111 & 112
  • 2. Deciduous Forests
  • 3.  
  • 4.  
  • 5.  
  • 6. Where are they found?
    • In areas where there are four seasons.
      • Western Europe
      • Eastern part of North America
  • 7. Temperature & Rainfall
    • Annual temperature
      • -2 0 C to 18 0 C
    • Rainfall
      • 750 mm to 1000 mm
  • 8. Characteristics
    • Broad and large leaves
      • To absorb as much sunlight as possible for photosynthesis before the leaves are shed.
  • 9.  
  • 10. Characteristics
    • Shed leaves in autumn
      • To prevent unnecessary loss of water during winter
      • No rainfall during winter
  • 11.  
  • 12.  
  • 13. Characteristics
    • Its has three layers
      • Top layer or canopy
        • Thickest during summer when there is more sunshine
        • Grow up to 20m to 30 m
  • 14. Characteristics
    • Second layer
      • Is made up of shrubs and smaller trees
  • 15. Characteristics
    • Third layer or forest floor
      • Is made up of grasses, mosses and ferns.
  • 16.  
  • 17.  
  • 18.  
  • 19. Characteristics
    • Appearance of deciduous forests change with seasons
      • Production of chlorophyll slow down and stop production as the leaves are shed in late autumn
  • 20. Characteristics
    • Less dense than tropical rainforests
    • Widely spaced (sparse)
  • 21. Which one is tropical rainforest? Which one is deciduous forests?
  • 22. Characteristics
    • Only a few varieties of trees
    • Wood is strong, durable hardwood
    • E.g. oak, elm, maple, ash, sycamore etc.
  • 23. Coniferous Forests
  • 24. Temperature and rainfall
    • Annual temperature
      • -12 0 C to 10 0 C
    • Rainfall
      • 300 mm to 750 mm
  • 25. Location of coniferous forests
    • Northern hemisphere
    • Extreme coldness areas
    • E.g northern Europe, Russia, Siberia and northern Canada.
  • 26. Characteristics
    • Cone-shape crowns
      • To allow accumulated snow to slide off.
  • 27.  
  • 28. Characteristics
    • Small, leathery, needle-like-shaped leaves.
      • Reduced surface area to minimizes water loss.
      • Prevent accumulation of snow
  • 29. Characteristics
    • Evergreen trees
      • Allow photosynthesis all year due to short summer.
  • 30.  
  • 31.  
  • 32.  
  • 33.  
  • 34. Characteristics
    • Only has one variety of tree in any one area
      • E.g. Pine, fir and spruce
  • 35. Spruce
  • 36. Fir
  • 37. Pine
  • 38. Characteristics
    • Consist of only one layer of natural vegetation
    • Little undergrowth