EOY Geog - the living world rainforests

Question 1

Causes of Deforestation - Agriculture - Subsistence farming

Answer 1

a type of agriculture producing only enough food and materials for the benefit of a farmer and their family

Question 2

Causes of deforestation - agrigulture - cattle ranching

Answer 2

• rainforest is cleared for space for cattle to graze on
• Cattle is butched and sold for meat / leather for money

Question 3

Causes of deforestation - agrigulture - crop farming

Answer 3

Rainforest is cleared to grow cash crops - soya beans, palm oil, tea coffee, sell these to HIC’s for huge profits

Question 4

Causes of deforestation - Hydroelectric power

Answer 4

Huge rivers in rainforest have been used for hydro electric power resulting in rainforest being flooded

Question 5

Causes of Deforestation - Logging

Answer 5

Rainforest is cut down so valuable trees like mahogany and teak is sold for timber less valuable trees are cut down for making paper

Question 6

Causes of deforestation - Mining

Answer 6

Mines develop in rainforests resulting in trees cleared. Surface mining in large open pits is cheaper but scars the landscape

Question 7

Causes of deforestation - Population growth

Answer 7

As the population grows people will need more space resulting in the rainforest being cut down for timber and space

Question 8

Causes of deforestation - Road Building

Answer 8

Allows for other areas of the rainforest to be accessed by farmers loggers and miners resulting in more deforestation

Question 9

Conservation

Answer 9

managing the environment in order to preserve, protect or restore it

Question 10

Debt reduction

Answer 10

countries are relieved of some of their debt in return for an agreement that they preserve and protect their natural environments

Question 11

economic impacts of deforestation

Answer 11

• cash crops are planted and grown
• wood is used for wood and paper

Question 12

Ecotourism

Answer 12

nature tourism usually involving small groups with minimal impact on the environment

Question 13

Environmental impacts of deforestation

Answer 13

Deforestation is responsible for 24% of greenhouse gas emissions

extreme loss in biodiversity

more CO2 remains in atmosphere

Question 14

International agreements

Answer 14

promises made between countries and/or organisations to mitigate the destruction of natural habitats

Question 15

Selective logging

Answer 15

sustainable forestry management where only carefully selected trees are cut down

Question 16

Slash and burn

Answer 16

a method of land clearing that involves the use of fire, which creates valuable nutrients to help plants grow, but can grow out of control and destroy large areas of forest

Question 17

Social impacts of deforestation

Answer 17

• Housing will be built
• people living in the rainforest will struggle

Question 18

Sustainability

Answer 18

actions that meet the needs of the present without reducing the ability of future generations to meet their needs

Question 19

symbiotic relationship

Answer 19

relationship where both participant species benefit mutually.

e.g. Certain caterpillars produce sweet chemicals from dew patches on their backs upon which a certain ant species will feed. In return the ants vigorously protect the Caterpillar