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L1 ap classification, exploitation and changes
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Transcript of L1 ap classification, exploitation and changes
How are natural resources defined and classified
How do humans exploit and change resources
1. How can natural resources be defined and classified?• What's the difference between biotic and abiotic
factors? Find out here
• Definitions:
• Biotic Factors: All the living organisms in an area . E.g. ……………………………
• Abiotic Factors: All the non living organisms in an area. E.g. ………………………..
LO: How are natural resources defined and classified and how do humans exploit and change resources
1. How can natural resources be defined and classified?• How can we classify these types of energy?
LO: How are natural resources defined and classified and how do humans exploit and change resources
1. How can natural resources be defined and classified?• Definitions (Cont.):
• Renewable : energy that comes from sources that can be reused or replenished and therefore will not run out (e.g. ……………………….)
• Non-renewable : Energy sources that , once used, can never be used again (e.g. ……………………)
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited?
ExploitationUsing something carefully so that it is still available for future generations.
SustainableRearing too many animals on land so roots of vegetation are eaten. This means that no plants can grow.
OvergrazingThe use of a resource in a non sustainable way.
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited and changed by humans?
A. WATERB. FOODC. ENERGY
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited and changed by humans?
• Water – where is it?
LO: How are natural resources defined and classified and how do humans exploit and change resources
Exploitation of water
• Water used in three main sectors …
LO: How are natural resources defined and classified and how do humans exploit and change resources
Exploitation of water
• More people as population rises …
LO: How are natural resources defined and classified and how do humans exploit and change resources
Exploitation of water
If there are more and more people living on planet earth what will happen to our use of water?
LO: How are natural resources defined and classified and how do humans exploit and change resources
Virtual Water
LO: How are natural resources defined and classified and how do humans exploit and change resources
Virtual Water
LO: How are natural resources defined and classified and how do humans exploit and change resources
YOUR TURN!
1. Read through your cards and divide them into 3 : WaterFoodEnergy
2. Sort the food category further into:Fishing Agriculture
3. Now read through them again and divide each group further into categories:
Description of Exploitation Changes to the Environment
Exploitation of water
• Water misused for mineral extraction
• Water also used to stop dust spreading from mines.
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited and changed by humans?
A. Water
Description of Exploitation Changes to the environment
• More people means more use of water in homes. This means more water used in food production (Virtual Water) .E.g. ……………………………………………..
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited and changed by humans?
A. Water
Description of Exploitation Changes to the environment
• More people means more use of water in homes. This means more water used in food production (Virtual Water) .E.g. ……………………………………………..
• Ground water aquifers are being used faster than they are being replaced. E.g. Ogallala aquifer HERE
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited and changed by humans?
A. Water
Description of Exploitation Changes to the environment
• More people means more use of water in homes. This means more water used in food production (Virtual Water) .E.g. ……………………………………………..
• Water misused by people in the extraction of raw materials. Some chemicals make it into the groundwater and even into local streams.
• Ground water aquifers are being used faster than they are being replaced. E.g. Ogallala aquifer HERE
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited and changed by humans?
A. Water
Description of Exploitation Changes to the environment
• More people means more use of water in homes. This means more water used in food production (Virtual Water) .E.g. ……………………………………………..
• Water misused by people in the extraction of raw materials. Some chemicals make it into the groundwater and even into local streams.
• Ground water aquifers are being used faster than they are being replaced. E.g. Ogallala aquifer HERE
• Rivers are used to dispose waste in. E.g. Xintang in China HERE and Kanpur, India HERE
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited and changed by humans?
B. FOODWatch this introduction here (from 21.28 until 24.00, how many people can live on planet earth)
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited and changed by humans?
B. Food
Description of Exploitation Changes to the environment
• 90% Madagascan rainforest have been cleared to make farms (to feed a growing population globally) or for fire wood. Watch HERE (15.40) (Indian
Ocean – Madagascar)
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited and changed by humans?
B. FoodDescription of Exploitation Changes to the environment
• 90% Madagascan rainforest have been cleared to make farms (to feed a growing population globally) or for fire wood. Watch HERE (15.40) (Indian Ocean –
Madagascar)
• Overgrazed soil is exposed to wind and rain. This means that the soil can quickly be washed away. Rivers like the Onilahy in Madagascar flood more now as surface runoff is so high causing people to loose homes. Lemars have been driven one reserve – The BerentyWildlife Reserve.
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited and changed by humans?
B. FoodDescription of Exploitation Changes to the environment
• 90% Madagascan rainforest have been cleared to make farms (to feed a growing population globally) or for fire wood. Watch HERE (15.40) (Indian Ocean – Madagascar)
• Fishermen have taken increasingly more and more fish. Overfishing means stocks cant replenish themselves. Cod catches in the North Sea have declined from 300,000 tonnes in 1970 to 20,000 in 2006 but recovered to 70,000 in 2015.
• Overgrazed soil is exposed to wind and rain. This means that the soil can quickly be washed away. Rivers like the Onilahy in Madagascar flood more now as surface runoff is so high causing people to loose homes. 400 tonnes of soil are lost per hectare each year in Madasgar. Lemars have been driven one reserve – The Berenty Wildlife Reserve.
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited and changed by humans?
B. FoodDescription of Exploitation Changes to the environment
• 90% Madagascan rainforest have been cleared to make farms (to feed a growing population globally) or for fire wood. Watch HERE (15.40) (Indian Ocean – Madagascar)
• Fishermen have taken increasingly more and more fish. Overfishing means stocks cant replenish themselves. Cod catches in the North Sea have declined from 300,000 tonnes in 1970 to 20,000 in 2006 but recovered to 70,000 in 2015.
• Overgrazed soil is exposed to wind and rain. This means that the soil can quickly be washed away. Rivers like the Onilahy in Madagascar flood more now as surface runoff is so high causing people to loose homes. 400 tonnes of soil are lost per hectare each year in Madagascar. Lemars have been driven one reserve – The Berenty Wildlife Reserve.
• Biodiversity in oceans has declined as more and more fish have been removed. Quotas (limits) have cased fishermen to throw back fish that they have caught, dead, which they cant land. Here (from 1.10) (Hugh’s fish fight)
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited and changed by humans?
C. Energy
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited and changed by humans?
C. Energy
Description of Exploitation Changes
• Natural resources have been exploited for their energy and oil and gas are running out globally. Coal reserves are still relatively high. (see graph)
• In China 2/3 of electricity comes from coal fired power stations. Watch this video and write down some of the problems in China from their dependence on coal
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited and changed by humans?
C. Energy
Description of Exploitation Changes to the environment
• Natural resources have been exploited for their energy and oil and gas are running out globally. Coal reserves are still relatively high.
• Pollutants such as sulphuric acid are emitted when coal is burnt. This has helped to cause acid rain to fall over parts of the UK. See video here
LO: How are natural resources defined and classified and how do humans exploit and change resources
2. How can natural resources be exploited and changed by humans?
C. Energy
Description of Exploitation Changes to the environment
• Natural resources have been exploited for their energy and oil and gas are running out globally. Coal reserves are still relatively high.
• Pollutants such as sulphuric acid are emitted when coal is burnt. This has helped to cause acid rain to fall over parts of the UK. See video here
• In China 2/3 of electricity comes from coal fired power stations. Watch this video and write down some of the problems in China from their dependence on coal
LO: How are natural resources defined and classified and how do humans exploit and change resources
Who is the worst culprit?!
LO: How are natural resources defined and classified and how do humans exploit and change resources
Your Turn …
• In pairs, produce either a TV news report about how the worlds resources of water, food and energy have been exploited and how environments have been changed by this exploitation.
• You can film it on your iPads if you want to.
• You will have this lesson and next to finish it off.
• Here is an example …
LO: How are natural resources defined and classified and how do humans exploit and change resources
TV Script
Candice: Welcome to Newsround Special! Tonight's special report is from Chardonnay who has been investigating three resources in particular; Water, Food and Energy. Over to you Chardonnay.
Chardonnay: Hi Candice, yes I am here to tell you all about how we are exploiting natural resources and changing some of the worlds most precious landscapes. To start off with, have you ever heard of virtual water? …
LO: How are natural resources defined and classified and how do humans exploit and change resources
Your Turn …
• In pairs, produce either a TV news report about how the worlds resources of water, food and energy have been exploited and how environments have been changed by this exploitation.
• You will have this lesson and next to finish it off.
• Here is an example …
LO: How are natural resources defined and classified and how do humans exploit and change resources
