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Sunday, July 5, 2009


maintaining water supply:
benefits:
- ensures the continuous flow of water
- make water suitable for drinking and supporting life

problems:
- high surface runoff
- poor quality of water
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replenishing oxygen and removing carbon dioxide:
benefits:
- green lungs of the earth
problems:
- global warming
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maintaining nutirents in the soil:
benefits:
- sufficient nutrients for vegetation to grow well
problems:
- removal of nutrients by soil erosion
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preventing floods:
benefits:
- no flood
problems:
- soil erosion
- flooding
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protecting coasts:
benefits:
- protect coast
problems:
- destruction of human properties
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habitats for flora and fauna:
benefits:
- a greater biodiversity
problems:
- extinction of animals
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a source of useful materials:
benefits:
- providing living hood
- fuelwood for cooking and heating
- provide them with their friends
- precious medicinal values
- good industrial uses

problems:
- permanent lost of forest
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habitat for people:
benefits:
- a place to live
problems:
- urbanisation
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recreation:
benefits:
- provide informations for tourists to understand more about forests
problems:
- lesser place for people to live in
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research and education:
benefits:
- interactions between forest animals and plants with the environment
problems:
- destroy the natural habitat
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creaters
chiawing
sylvia
yeeling
irvin

wants

chat


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tropical rainforests
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case study on kalimantan

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