23: Deforestation Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What type of succession is the one that occurs after a wildfire?

A

secondary succession

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is deforestation?

A

the clearing and loss of forest
- humans alter, fragment, and eliminate forests

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the purposes of deforestation?

A
  • to convert the land for agricultural use (raise cattle and grow crops)
  • for new settlements, as population grows
  • logging for firewood
  • logging for lumber
  • extraction of minerals
  • increasing forest fires due to climate change
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How many people rely on firewood?

A

about 2 billion people in the world rely on firewood for heating and cooking ; 25% of the human population

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Why is cooking on an open fire dangerous?

A

releases poisonous carbon monoxide and releases greenhouse gases like CO2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is happening to Haiti?

A

the use of wood as fuel has led to the deforestation of Haiti

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is land conversion?

A

forests are converted into farmland, settlements, highways, etc.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is happening to the Amazon?

A

Brazil cut down the equivalent of the State of Connecticut in the last year of trees for their trans Amazonian highway project

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is slash and burn agriculture?

A

under this practice, trees are cut down, allowed to dry and then burned
- by doing this, the soil becomes nutrient rich, then the clear patch of land can be used to grow crops or cattle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is subsistence agriculture?

A

a farming family only produces food for themselves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly