Amazonia Location And Deforestation Flashcards Preview

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Flashcards in Amazonia Location And Deforestation Deck (14)
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1
Q

How much land does the amazon cover?

A

2.1million miles squared

2
Q

Which river basin is the Amazon in and how much is in South America?

A

Amazon river basin, covers 40% of South America

3
Q

What is slash and burn?

A

Clearing and burning the forest

4
Q

What contributes more to deforestation subsidence or commercial farming?

A

Commercial farming

5
Q

What is logging?

A

Cutting down trees for sale as timber or pulp

6
Q

What is the name of the highway built in the amazon?

A

The trans Amazonian highway

7
Q

What minerals are extracted from mines in the amazon?

A

Iron, nickel, tin, beryllium, copper, lead, zinc and gold

8
Q

How many new dams are planned in the amazon and what type of energy do they produce?

A

150 dans

Hydro electric power

9
Q

How much power will the bell monte dam generate?

A

11,000 Mw

10
Q

What percentage did the population grow by from 2000-2010 in the amazon?

A

23%

11
Q

What is lost when the forest is cleared?

A

Biodiversity

12
Q

What releases CO2, contributing to climate change and and absorbs CO2?

A

Released by burning trees and absorbed by trees

13
Q

What are the soils like after deforestation?

A

Not fertile. Quickly exhausted, susceptible to soil erosion

14
Q

In 2005 what percentage of the amazon was lost as a result of deforestation?

A

17%