Case Study- Fold mountains the Andes.

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  • Created by: Amber
  • Created on: 09-02-14 10:53
What is subsistent farming?
Farming to provide food and other resources for the farmer's own family.
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What are terraces?
Steps that are cut into fold mountains to create areas of flat land.
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What do terraces do?
They retain water, limiting the down-movement of soil preventing soil erosion.
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What is irrigation?
Artificial weathering of land
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what is hydroelectric power?
The use of flowing water to turn turbines to generate electricity.
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What are male and female llamas used for?
Male llamas are used for transportation and the females are used for milk and emat.
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Synonymous?
LLamas are known for being in the Andes. They carry material for irrigation and their wool is used as clothes as well as rugs.
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What is the main source of food?
potatoes are the main source of food and are grown on mountain slopes.
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What cash crops are there?
Cash crops include: soy beans, rice and cotton.
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What other crops are grown?
Crops are grown in the lower valleys and in a patchwork of fields.
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What is the average height of the Andes?
The average height is 4000 metres and is 300km in width.
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When was it created?
It was create 65 million years ago and is the longest range of fold mountains in the world.
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Hydroelectirc power: What do steep slopes and narrow valleys mean?
It means that farming is limited and they can easily be dammed than wide valleys
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Hydroelectric power: What does the relief encourage?
The relief encourages the rapid fall of water needed to generate electricity.
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Hydroelectric power: What increases water supply?
When snow melts it encourages the amount of water.
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What does HEP stand for?
Hydroelectric power
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What did the HEP plant begin to do to generate electricity?
The plant began to generate electricity involving a huge dam across the canete river.
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What is the £US200 milion project?
The second largest in Peru.
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Benefits to the environment?
Noisy to animals, floods lands behind the residue behind the dam, disturbs natural enviromentas and disturbing food supply, disrupt migration of fish as they die.
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Mining- Where are they located?
It is in Peru which owns 49% of the share.
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What important materials are found in the andes?
Gold, silver and tin are found in the Andes.
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What does the Andes consist of?
The andes consists of the largest gold mine in the world. It is a joint venture between the Peruvian mining company and a US based company which has 51% share.
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What are the countries in the Andes ranked for?
The countries in the Andes are ranked at the top 10 for supply of nickel, silver and gold.
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Nearly half of Peru's exports are form mining.
Mining is maintaining materials from a mine.
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What has increased crime rate?
Lack of services has increased the crime rate.
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Anaconda gold mine increases the population, more jobs and services supporting the local economy.
Cyanide contaminates the water we drink and animals drink.
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What is Cyanide
A salt or ester of f hydrocyanic acid
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Other cards in this set

Card 2

Front

What are terraces?

Back

Steps that are cut into fold mountains to create areas of flat land.

Card 3

Front

What do terraces do?

Back

Preview of the front of card 3

Card 4

Front

What is irrigation?

Back

Preview of the front of card 4

Card 5

Front

what is hydroelectric power?

Back

Preview of the front of card 5
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