Tropical Rainforests (OCR GCSE Geography B (Geography for Enquiring Minds)): Flashcards
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Tropical rainforest latitude range
Tropical rainforest latitude range
Between Tropic of Cancer (23.5°N) & Capricorn (23.5°S)
% Earth's surface: tropical rainforests
% Earth's surface: tropical rainforests
5%
% world's biodiversity: tropical rainforests
% world's biodiversity: tropical rainforests
50%
Avg temp in tropical rainforests
Avg temp in tropical rainforests
25-27°C year-round
Annual rainfall: tropical rainforests
Annual rainfall: tropical rainforests
Over 2,000mm per year
% sunlight at rainforest floor
% sunlight at rainforest floor
Less than 2%
Buttress roots function
Buttress roots function
Provide stability & support for tall trees
Drip tips function
Drip tips function
Allow rain to run off quickly, prevent leaf damage
Where nutrients stored in rainforests
Where nutrients stored in rainforests
In biomass (living plants & animals)
Tropical rainforest soil characteristic
Tropical rainforest soil characteristic
Nutrient-poor despite lush vegetation