Deforestation (AQA GCSE Geography): Flashcards
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14 cards from this deck
Define deforestation
Define deforestation
Removal of trees from forests
How does urbanisation threaten rainforests?
How does urbanisation threaten rainforests?
Pop. grows → forests cut for towns & cities
Resources threat to rainforests
Resources threat to rainforests
Trees cut for wood (paper, furniture, houses)
Agriculture threat to rainforests
Agriculture threat to rainforests
Forests cut for farming as food needs grow
Mining/industry threat to rainforests
Mining/industry threat to rainforests
Factories built; gold, copper, tin, diamonds mined
Tourism threat to rainforests
Tourism threat to rainforests
Hotels & complexes built in forests
Dams/reservoirs threat to rainforests
Dams/reservoirs threat to rainforests
Forests cleared for HEP & water supplies
Transport threat to rainforests
Transport threat to rainforests
Roads, railways, airports built over forests
Brazil beef export value
Brazil beef export value
$7.6bn from 1.64M tonnes exported
Brazil's biggest export
Brazil's biggest export
Soybeans - $25bn annually
How deforestation causes soil erosion
How deforestation causes soil erosion
No trees → rain washes soil away
Soil erosion impact on fertility
Soil erosion impact on fertility
Nutrients washed away → reduced fertility
Trees as carbon sink
Trees as carbon sink
Absorb CO2; burning releases it → more greenhouse gases
Deforestation % of global CO2 emissions
Deforestation % of global CO2 emissions
15%