Global Environmental Issues: Deforestation (Leaving Cert Geography): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
ShowHide
Practise the cards
15 cards from this deck
Deforestation definition
Deforestation definition
Large-scale forest removal for human activities & resources
W Europe forest cover: 2,000 yrs ago vs today (%)
W Europe forest cover: 2,000 yrs ago vs today (%)
80% then, 34% now
Location of most severe current deforestation
Location of most severe current deforestation
Tropical rainforests
Amazon forest cleared 1978-2022 (sq km)
Amazon forest cleared 1978-2022 (sq km)
761,000 sq km
4 main causes of deforestation
4 main causes of deforestation
Timber demand, urban expansion, agriculture, industry
% of Amazon logging that is illegal
% of Amazon logging that is illegal
50-90%
% of Amazon deforestation from cattle ranching
% of Amazon deforestation from cattle ranching
80%
% of Brazil's soybeans produced in Mato Grosso
% of Brazil's soybeans produced in Mato Grosso
26%
4 main impacts of deforestation
4 main impacts of deforestation
Carbon sink loss, water cycle disruption, soil fertility loss, biodiversity loss
Amazon's nickname due to carbon sink role
Amazon's nickname due to carbon sink role
Lungs of the Earth
Carbon stored in Amazon (metric tonnes)
Carbon stored in Amazon (metric tonnes)
140-150 billion metric tonnes
Evapotranspiration definition
Evapotranspiration definition
Water loss through soil evaporation & plant transpiration
Amazon's rainfall contribution to some S American areas (%)
Amazon's rainfall contribution to some S American areas (%)
25-30%
Annual soil erosion in some Mato Grosso areas (tonnes/ha)
Annual soil erosion in some Mato Grosso areas (tonnes/ha)
100 tonnes per hectare
% of world's biodiversity in Amazon Rainforest
% of world's biodiversity in Amazon Rainforest
10%