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Ecosystems
Descripción
Mind map for revision on Rainforests and ecosystems. Not quite finished yet!!
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gcse
Mapa Mental por
Anna Hadley
, actualizado hace más de 1 año
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Creado por
Anna Hadley
hace más de 9 años
17
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Resumen del Recurso
Ecosystems
Equatorial Climate
Climate
Factors Affecting Climate
Relief
The higher up the mountain you go, the colder it get
Latitude
The sun's rays are more concentrated at the equator
Ocean Currents
Can also blow over rain
The sea sends warm currents get blown over to us
Prevailing Winds
Winds blow over the warmth from other countries
Distance from the Sea
The sea takes longer to warm up, the sea is warm in the winter
The sea provides a coastal breeze
The average conditions you would find over a long period of time
Deforestation
Problems
Loss of Species
Over 70% of the world's species live in the rainforests
Biodiversity Tragedy
Carbon Emissions
Rainforests absorb Greenhouse gases
When cut down, trees emit Greenhouse gases
Water cycle
Trees store water in their roots
May make climate drier
Soil Erosion
The soil becomes dry
Bad for farming
Vulnerable to flooding
Reasons
Logging
Felling trees for timber and wood
Leaves a hole in the canopy
The heavy machinery compacts the soil and makes it not arable
Commercial Farming
Companies like McDonald's keep iivestock there
Need space for cattle
Fuel Wood
Dams
Forests destroyed to make room
Don't clear the land properly so pollution forms
Mining
Clear space for mines
Roads to get to mines
Rushed job
Tourism
Why are rainforests found on the Equator?
Sun
The earth's tilt means that the sun's rays are more concentrated at the equator
Hot Climate
Rainfall
The Equator gets lots of rainfall
CO2
The equatorial line has lots of Co2 for the plants and trees in the cycle of respiration
Nitrogen
Growth and repair
Protein Source
Weather
Consistent weather each day
Rainforest Structure
Canopy
Huge Blanket of leaves
Trees race to get the most sunlight
20-40 metres tall
Emergents
Tallest trees that break through the canopy
Under canopy
Gets limited sunlight
Saplings wait here for the trees in the canopy to die
Shrub layer
Dark, gloomy and damp
Tribes
Food
Fishing
Timbo vine to remove the oxygen from the water
Appearance
Paints
Housing
Building materials to make their houses with
Medicines
Know which plant can do what
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