Ecosystems

Ecosystems

Equatorial Climate
1. Climate
  1. Factors Affecting Climate
    1. Relief
      1. The higher up the mountain you go, the colder it get
    2. Latitude
      1. The sun's rays are more concentrated at the equator
    3. Ocean Currents
      1. Can also blow over rain
      2. The sea sends warm currents get blown over to us
    4. Prevailing Winds
      1. Winds blow over the warmth from other countries
    5. Distance from the Sea
      1. The sea takes longer to warm up, the sea is warm in the winter
      2. The sea provides a coastal breeze
  2. The average conditions you would find over a long period of time
Deforestation
1. Problems
  1. Loss of Species
    1. Over 70% of the world's species live in the rainforests
    2. Biodiversity Tragedy
  2. Carbon Emissions
    1. Rainforests absorb Greenhouse gases
    2. When cut down, trees emit Greenhouse gases
  3. Water cycle
    1. Trees store water in their roots
    2. May make climate drier
  4. Soil Erosion
    1. The soil becomes dry
      1. Bad for farming
      2. Vulnerable to flooding
2. Reasons
  1. Logging
    1. Felling trees for timber and wood
    2. Leaves a hole in the canopy
    3. The heavy machinery compacts the soil and makes it not arable
  2. Commercial Farming
    1. Companies like McDonald's keep iivestock there
    2. Need space for cattle
  3. Fuel Wood
  4. Dams
    1. Forests destroyed to make room
    2. Don't clear the land properly so pollution forms
  5. Mining
    1. Clear space for mines
    2. Roads to get to mines
    3. Rushed job
  6. Tourism
Why are rainforests found on the Equator?
1. Sun
  1. The earth's tilt means that the sun's rays are more concentrated at the equator
  2. Hot Climate
2. Rainfall
  1. The Equator gets lots of rainfall
3. CO2
  1. The equatorial line has lots of Co2 for the plants and trees in the cycle of respiration
4. Nitrogen
  1. Growth and repair
  2. Protein Source
5. Weather
  1. Consistent weather each day
Rainforest Structure
1. Canopy
  1. Huge Blanket of leaves
  2. Trees race to get the most sunlight
  3. 20-40 metres tall
2. Emergents
  1. Tallest trees that break through the canopy
3. Under canopy
  1. Gets limited sunlight
  2. Saplings wait here for the trees in the canopy to die
4. Shrub layer
  1. Dark, gloomy and damp
Tribes
1. Food
  1. Fishing
    1. Timbo vine to remove the oxygen from the water
2. Appearance
  1. Paints
3. Housing
  1. Building materials to make their houses with
4. Medicines
  1. Know which plant can do what

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	Erstellt von Anna Hadley vor fast 11 Jahre