Amazon Rainforest Flashcards

Pages 70 - ??

1
Q

What is the area of the forest?

A

6 million square km

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2
Q

What percentage of the forest is located in Brazil?

A

66% - 2/3rds

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3
Q

The forest is the most bio-diverse ecosystem on the planet. How many tree species are in the forest?

A

16,000

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4
Q

Many people live in the forest, what term is used to describe them?

A

Indigenous tribes

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5
Q

Recently, the rate of deforestation has began to fall, since when has this been happening?

A

2004

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6
Q

Continent?

A

South America

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7
Q

What precious metal is mined heavily in the Amazon?

A

Gold

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8
Q

There is also heavy mining for bauxite in the Amazon, from which a metal is made. Which metal?

A

Aluminium

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9
Q

Cattle ranching accounts for how much of deforestation?

A

70%

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10
Q

What species are becoming endangered due to illegal hunting and animal poaching?

A

Jaguars and Golden-bellied Capuchin

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11
Q

Suggest why cattle ranching has such a great impact in deforestation?

A

The cattle graze the grass and after a short time the land is no longer usable. So, they slash and burn more trees to get more land and the cycle continous.

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12
Q

Name crops that are grown / harvested on a large scale in the rainforest:

A

Palm Oil, Bananas, Sugar Cane, Tea, Coffee, Pineapple, Soybean

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13
Q

What is the name of the 4,000 km long highway road created to open up the rainforest?

A

Tran-Amazonian Highway

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14
Q

Jobs, (both legal and illegal) need to accommodate their workers. What affect does this have on deforestation?

A

They destroy land to build houses.

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15
Q

A global impact of deforestation is the Loss of Biodiversity.
Roughly how many species are lost yearly due to rainforest deforestation?

A

500,000 plant, animal and insect species.

137 per day

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16
Q

Name both Global and Local impacts of deforestation:

A

Global:

  • Global Warming
  • Loss of biodiversity

Local:

  • Indigenous tribe decline
  • Soil erosion
  • River pollution
  • Local climate disruptions
  • Conflicts
17
Q

The number of indigenous tribes is decreasing, how many tribes are estimated to be living in the rainforest now?

A

240 left

18
Q

Mercury from gold mining is entering waters and polluting the river. What effect does this have?

A
  • Fish die
  • Starvation due to lack of fish
  • Dehydration
  • Illness from ingesting Mercury
19
Q

What is the name for anti-cancer drug derived from the rainforest plant, periwinkle?

A

Vincristine

20
Q

What percentage of drugs used in developed countries come from rainforests?

A

25% - 1/4

21
Q

How many countries does the rainforest spread into?

A

9

22
Q

What can be done to halt deforestation?

A

Selective Logging
Debt Reduction schemes / International agreements
Ecotourism