Part 10 What are the direct threats to the taiga Flashcards
1
Q
1. What is commercial logging?
A
a. Cutting down trees for money
2
Q
- What is wood from taiga trees used for?
A
Furniture
Paper
Building
3
Q
- How much taiga forest has been deforested?
A
a. 8%
4
Q
- How much taiga forest in Canada has been deforested?
A
a. 21%
5
Q
- How much paper is used each year in the world?
A
a. 400 million tonnes
6
Q
- How else is taiga forest damaged?
A
Mining
Extracting fossil fuels
Hydroelectric dams
7
Q
- Which minerals are mined in the taiga forests?
A
Diamonds Gold Iron Oil Gas
8
Q
- What are tar sands?
A
a. A mixture of oil and sand
9
Q
- Why is tar sand mined?
A
a. To get oil
10
Q
- How is tar sand mined?
A
a. Strip mining
11
Q
- What is strip mining?
A
a. All the trees are cleared
b. The tar sand is extracted
12
Q
- How else do mines damage forests?
A
a. Roads are built to get to the mines
13
Q
- What are the other effects of mining tar sands on the environment?
A
a. Toxic waste
b. Waste water
14
Q
- Give an example of tar sands mining
A
a. Athabasca tar sands, Canada
15
Q
- Give an example of a hydroelectric dam which has destroyed taiga forests
A
a. James Bay HEP project, Canada
