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Amazon rainforest - Coggle Diagram
Amazon rainforest
charateristics
hot (27 degrees)
humid
over 2,000 mm rainfall
4 layers
forest floor
shurb
under canopy
canopy
emergents
quick neurience / water cycle
lack of nutrience
Causes of deforestation
Logging (3%)
trees felled for paper, timber
Mining (1%)
Carajas Mine Iron Ore, copper, gold sold.
Cattle Ranching (70%)
Meat and cash crops (20%) demand
Roads (3%)
Trans Amazonian Highway increases access
encouraging more development
HEP (hydro eletric power)
Amazon basin flooded, indigenous displaced (Balbina
Dam- flooded 1,200 sq miles)
Population growth
Increased demand for resources
importance
climate reflects sunlight
stors 2.2 billion tones of carbon
indigenous tribes (2.2 million in amazon) e.g awa people
products mahogany & teak for furiture
biodiversity / medicine (120 perscition drugs) 70% with anti cancer propoties
location
covers 40% (8 countries) south america
home to 20 million people
20% worlds species
last 50 years lost 17% from deforistation
adaptations
buttress roots
lianas
epiphytes
drip tip leaves
management
Selective logging
Cutting of trees that are inferior or mature to
encourage new growth
Education
raising importance/ value and passing this
Ecotourism
local people working with tourists
International Agreements
WWF & Brazilian gov to protect
150 million hectares of forest
animal adaptation
lepord spots
spider mokey prehensile tail
sloths camofalsge
Impacts of Deforestation:
+
Space for mining, farming and logging. Brazil exported $600 million of beef in 2018. Palm oil
-
Soil erosion- Brazil loses 100 tonnes of topsoil per
hectare a year
