TRF: Amazon Rainforest

Match the following

• Species of birds

• 60,000

• Since 1970, ?? of land has been deforested

• 91%

• It provides ??? of world’s oxygen

• 20 million

• Species of plants

• 20%

• People who are involved in farming

• 1000

Causes of deforestation

• Hydroelectricity power

• Cattle ranching is why 70% of deforestation occurred

• Increasing population

• Road building- 12,000 km of new roads have been built

• Mining for minerals

The trans-amazonian highway was built - ​ (a)   long

• 5300 km
• 8400km
• 3200km

Impacts of deforestation

• Habitats of many species are destroyed

• No canopy to protect soil from heavy rain (result in flooding)

• Burning of the forest (slash and burn farming)- release of carbon dioxide

• Decrease in groundwater level.

Energy development in the Amazon:

• It alters the hydrological cycle and trap huge quantities of sediment

• 150 new dams planned

• The power in the Amazon is often used for mining

• Impacts on the local Munduruku people.

The UK and Ireland would fit into the Amazon 17 times!

• True

• False

Attempts to Limit Human Impacts

• Selective Logging:Only some trees are felled.

• Replanting:

  New trees planted to replace ones that are cut down.

• Environmental Law:

  Ban excessive logging

• Protection:

  Nature reserves

  National parks

Amazon River basin covers some ​ (a)   of the South American continent

• 40%
• 20%
• 50%
• 30%

Debt for nature swops – in 2010 USA converted debt of $13.5 million from Brazil and used the funds to protect the rainforest

• False

• True

Amazon has mines that extract​ ​

• tin

• iron

• zinc

• gold